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Home > CA Providers > Orthopedic Surgeons

Dr. Peter Simon Birnbaum, DO

Accepting New Patients

(5 Ratings)

Specializes in: Orthopedics/Orthopedic Surgery and Hand Surgery

Western University of Health Sciences, College of Osteopathic Medicine of the Pacific (1994)

Professional interests include: arm fracture, leg fracture, injuries, and more.

1211 W La Palma Avenue Suite 506
Anaheim, CA 92801

(714) 491-3670

Dr. Peter Simon Birnbaum, DO is an orthopedist in Anaheim, CA specializing in orthopedics/orthopedic surgery and hand surgery. He graduated from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in 1994 and has 32 years of experience. Dr. Peter Simon Birnbaum, DO is affiliated with Garden Grove Hospital Medical Center, MemorialCare, Orange Coast Medical Center, MemorialCare Medical Group, Providence Medical Foundation, Huntington Beach Hospital, AHMC Healthcare, Providence, Providence St. Joseph Hospital - Orange, St. Joseph Hospital (Orange) and Providence Affiliated Physicians, St. Joseph.

Office Locations

1211 W La Palma Avenue Suite 506
Anaheim, CA 92801

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MemorialCare Medical Group

1211 W. La Palma Avenue Suite 506
Anaheim, CA

(714) 491-3670

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Providence St. Joseph Hospital - Orange

1310 West Stewart Drive Suite 311
Orange, CA 92868

(714) 491-3670

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Some issues Dr. Peter Simon Birnbaum, DO can help you with:

Musculoskeletal Problems

The musculoskeletal system refers collectively to the bones, joints, ligaments, muscles, and nerves. It is what gives the body structure and movement. Because this system encompasses so much of the body, musculoskeletal problems are extremely varied and can happen almost anywhere. There are musculoskeletal problems that affect only the joints, those that affect the bones, those that affect tendons and ligaments, and those that can happen in any area of the body but cause pain and numbness.

Joint problems include bursitis and arthritis. Bursitis is the inflammation of a fluid-filled sac cushion on the outside of a joint, causing symptoms including pain and swelling. Arthritis is the inflammation and damage of a joint due to wear and tear or disease. There are several treatments for arthritis, but if the damage progresses far enough, joint replacement may be necessary. In joint replacement, a metal or plastic implant is surgically placed within the joint to make movement easier.

Bone problems include scoliosis, fractures, and osteoporosis. Scoliosis is a curvature of the spine, making the normally straight spine look like a 'C' or 'S.' It is treated with braces or surgery. Osteoporosis is a disease that causes bones to weaken and break easily. It's most common in women, especially older women. Fully half of all women over 65 have osteoporosis. Fractures are any break in the bone. They can be a simple crack or a severe and complicated shatter. Osteoporosis causes fractures in people who have it, but other causes are trauma (such as a fall) or overuse.

Tendon and ligament problems most often result from injury or overuse. Two good examples are ligament tears and tendonitis. The most common ligament tear is the ACL tear in the knee. This ligament supports and stabilizes the knee and is most often torn during sports activities. Tendonitis happens when a tendon, which connects muscles and bones together, becomes irritated and inflamed. This happens most often in older patients who push their bodies too far, leading to pain and swelling. Treatment for both tendon and ligament problems usually includes rest, ice, and supporting the area to let it heal.

Pain and numbness problems can be caused by overuse, disease, an injury, or a compressed nerve. Lower back pain and carpal tunnel syndrome are two of the most common conditions patients encounter. Lower back pain may be caused by sore muscles that have been overworked, or an injury to the disks separating the vertebrae in the spine. Lower back pain usually goes away on its own within a few days, but it may require medical treatment depending on the cause. Carpal tunnel syndrome occurs when the nerve at the base of the palm becomes trapped or pinched. Symptoms include tingling, pain, numbness, or weakness in the hand. Treatment involves rest and sometimes steroid injections.

Because the musculoskeletal system involves so much of the body, problems here can be incredibly varied in their type and severity. Some musculoskeletal problems will go away on their own or only require rest, while others may require medication, physical therapy, or even surgery.

Replacement Arthroplasty (Joint Replacement)

Joint replacement, sometimes also called arthroplasty, is an option when a joint becomes severely damaged by disease or injury. The damaged cartilage of the joint is surgically removed, the ends of the bones in the joint are resurfaced, and a prosthetic is installed. Most prosthetic joints are made of a metal piece that fits into a plastic sleeve so that they glide smoothly. A joint replacement increases stability in the damaged area and decreases pain. The hip and knee are the two joints most commonly replaced, but joint replacement can also be performed on the ankle, shoulder, elbow and even fingers.

Although joint replacement is one of the safest and most reliable medical procedures available, it is still a major surgical procedure. All surgical procedures carry risks, such as infection or blood clots. For this reason, doctors try to help their patients avoid surgery for as long as they can. Taking arthritis medications, losing weight, avoiding high impact sports such as running, taking supplements such as glucosamine or chondroitin, or having joint injections may allow a patient to enjoy life without the need for surgery.

After having joint replacement surgery, patients can expect some pain the first few days as they recover. Physical therapy is an important part of recovery, and it can decrease complications and increase future mobility. As soon as possible, returning to low impact sports such as swimming, walking or biking can stretch and heal the new joint. A prosthetic joint can last 15 - 20 years and cannot be further damaged by degenerative diseases such as arthritis, so once it is done patients should be pain-free for many years.

Noteworthy Medicare Patient Procedures Performed by Dr. Peter Simon Birnbaum, DO in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

arm immobilization

In 2023, Dr. Peter Simon Birnbaum, DO had a list price for arm immobilization that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Affordability:

immobilization

immobilization treatment

In 2023, Dr. Peter Simon Birnbaum, DO had a list price for immobilization, and immobilization treatment that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

splinting

In 2012, Dr. Peter Simon Birnbaum, DO had a list price for hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), and splinting (splint application) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2012 were X-rays, musculoskeletal imaging, hip imaging and pelvic imaging.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	65
doctor visit	243
fracture surgery	11
hip imaging	74
hospital care	31
injections	65
inpatient care	31
joint surgery	12
lower extremity surgery	23
musculoskeletal imaging	106
pelvic imaging	66
reconstructive surgery	12
X-rays	172

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2013 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	50
doctor visit	198
fracture surgery	12
hospital care	25
injections	50
inpatient care	25
lower extremity surgery	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	42
Female	105

**Ethnicity**
Non-Hispanic White	82
Black	0
Hispanic	33
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	47
85 and over	36
Less than 65	28

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2013

Hypertension	73
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	29
Chronic Obstructive Pulmonary Disease	18
Diabetes	45
Dementia	21
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2014 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	46
doctor visit	188
hospital care	19
injections	46
inpatient care	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	47
Female	81

**Ethnicity**
Non-Hispanic White	75
Black	0
Hispanic	0
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	37
85 and over	32
Less than 65	18

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2014

Hypertension	73
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	24
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	51
Dementia	26
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2015 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	42
doctor visit	197
fracture surgery	13
hospital care	30
injections	42
inpatient care	30
lower extremity surgery	13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	86
Female	186

**Ethnicity**
Non-Hispanic White	168
Black	0
Hispanic	0
Asian	48
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	70
85 and over	66
Less than 65	40

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2015

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	42
Depression	32
Chronic Kidney Disease	37
Asthma	17
Osteoperosis	21
Atrial Fibrilation	15
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2016 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	37
doctor visit	174
hospital care	26
injections	37
inpatient care	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	41
Female	67

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	33
85 and over	20
Less than 65	20

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2016

Hypertension	73
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	42
Depression	35
Chronic Kidney Disease	41
Asthma	27
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	26
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	20
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2017 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	48
doctor visit	164
hospital care	20
injections	48
inpatient care	20

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	36
Female	66

**Ethnicity**
Non-Hispanic White	67
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	31
From 75 to 84	37
85 and over	20
Less than 65	14

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2017

Hypertension	73
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	48
Depression	25
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	19
Atrial Fibrilation	0
Heart Failure	30
Chronic Obstructive Pulmonary Disease	19
Diabetes	44
Dementia	24
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

doctor visit	118

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	25
Female	46

**Ethnicity**
Non-Hispanic White	47
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	23
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2018

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	52
Dementia	20
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2019 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	94
doctor visit	482
hospital care	38
immobilization	33
injections	94
inpatient care	38
musculoskeletal imaging	68
spinal procedures	20
X-rays	88

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	94
Female	153

**Ethnicity**
Non-Hispanic White	129
Black	0
Hispanic	65
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	79
85 and over	47
Less than 65	30

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2019

Hypertension	75
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	42
Depression	27
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	17
Atrial Fibrilation	9
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2020 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	102
doctor visit	393
hospital care	39
injections	131
inpatient care	39
musculoskeletal imaging	24
X-rays	24

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	77
Female	126

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	41
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	59
85 and over	44
Less than 65	24

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2020

Hypertension	75
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	43
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2021 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	75
doctor visit	420
hospital care	28
injections	92
inpatient care	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	63
Female	135

**Ethnicity**
Non-Hispanic White	91
Black	0
Hispanic	51
Asian	37
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	52
85 and over	42
Less than 65	22

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2021

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	44
Depression	29
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	20
Atrial Fibrilation	8
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	46
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA during 2022 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

aspiration	74
doctor visit	509
hospital care	43
injections	89
inpatient care	43
manual therapy	40
rehabilitation	42

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	76
Female	140

**Ethnicity**
Non-Hispanic White	102
Black	0
Hispanic	52
Asian	42
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	68
85 and over	24
Less than 65	30

Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	28
Depression	28
Chronic Kidney Disease	37
Asthma	15
Osteoperosis	28
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	27
Diabetes	47
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Peter Simon Birnbaum, DO for Medicare patients.

The highest averages for the top procedures that Dr. Peter Simon Birnbaum, DO treated as an orthopedist in Anaheim, CA were X-rays, hip imaging, injections and pelvic imaging.

aspiration	63
doctor visit	280
fracture surgery	12
hip imaging	74
hospital care	29
immobilization	33
injections	69
inpatient care	29
joint surgery	12
lower extremity surgery	16
manual therapy	40
musculoskeletal imaging	66
pelvic imaging	66
reconstructive surgery	12
rehabilitation	42
spinal procedures	20
X-rays	94

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Peter Simon Birnbaum, DO.

**Gender**
Male	53
Female	100

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	23
Non-Hispanic White	85
Native American / Alaskan Native	0
Hispanic	25
Other	0

**Age**
75 to 84	46
85 and over	30
Less than 65	20
65 to 74	55

Average of Total of Conditions of Medicare patients treated by Dr. Peter Simon Birnbaum, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Peter Simon Birnbaum, DO treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	67
High Cholesterol	55
Stroke	2
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	34
Asthma	11
Osteoporosis	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	41
Atrial Fibrillation	9
Dementia	17
Cancer	9

Education & Training

Dr. Peter Simon Birnbaum, DO graduated from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in 1994. He completed residency at University of Pittsburgh Medical Center (UPMC). He is certified by the American Osteopathic Board of Orthopedic Surgery, Hand Surgery and has a state license in California.

Medical School: Western University of Health Sciences, College of Osteopathic Medicine of the Pacific (1994)

Residency: University of Pittsburgh Medical Center (UPMC) (1997)

Board Certification: American Osteopathic Board of Orthopedic Surgery, Hand Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Peter Simon Birnbaum, DO is associated with these hospitals and organizations:

Garden Grove Hospital Medical Center

MemorialCare

Orange Coast Medical Center

MemorialCare Medical Group

Providence Medical Foundation

Huntington Beach Hospital

AHMC Healthcare

Providence

Providence St. Joseph Hospital - Orange

St. Joseph Hospital (Orange)

Providence Affiliated Physicians, St. Joseph

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Peter Simon Birnbaum, DO appears to accept the following insurance providers: Anthem Blue Cross HMO, Aetna HMO, Blue Shield of California, United Healthcare HMO, Anthem, Medicare Advantage, Providence, Health Net HMO and CIGNA HMO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Peter Simon Birnbaum, DO accepts the following insurance providers:

Anthem Blue Cross HMO

Aetna HMO

Blue Shield of California

United Healthcare HMO

Anthem

Medicare Advantage

Providence

Health Net HMO

CIGNA HMO

Ratings & Reviews

Dr. Peter Simon Birnbaum, DO has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Peter Simon Birnbaum, DO from all over the web to help you find the right in Anaheim, CA.

4.2

Overall Rating

(5 Ratings)

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General Payments

These charts describe general payments received by Dr. Peter Simon Birnbaum, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Medartis Inc.	$6,227 Aptus $6,227
Integra LifeSciences Corporation	$1,900 Recon-Upper Extremity Metal $688	Pyro MCP $327	Recon-Nerve and Tendon Repair $190	External Fixation System $179	IDRT $146	Other $371
Endo Pharmaceuticals Inc.	$376 XIAFLEX $376
Stryker Corporation	$296 TRAUMA & EXTREMITIES $125	TRAUMA and EXTREMITIES $44	KNEES $41	Gamma $26	$60
Derma Sciences, Inc.	$284 Omnigraft $284
Other	$1,788 ECM Patch $249	CARDIOVASCULAR PRODUCT $204	Trinity Evolution $196	Osteogenesis Stimulators $160	Biologics-Biologics Medical Devices $125	Other $854

**Types of Payments**
Food and Beverage	$6,672
Travel and Lodging	$4,108
Education	$90

Biography

Dr. Peter Birnbaum's medical specialty is hand surgery and orthopedics/orthopedic surgery. He studied medicine at Western University of Health Sciences, College of Osteopathic Medicine of the Pacific. Dr. Birnbaum's medical residency was performed at Peninsula Hospital Center and the University of Pittsburgh Medical Center (UPMC). His areas of expertise include forearm fracture, knee arthritis, and femur (thigh bone) fracture. Patients gave Dr. Birnbaum an average rating of 4.0 stars (out of 5). He appears to be in-network for United Healthcare HMO, Anthem, Blue California, and more. In addition to English, he speaks Spanish. Dr. Birnbaum is affiliated with Huntington Beach Hospital, Orange Coast Medical Center, and AHMC Healthcare. Providence Medical Foundation reports that he is accepting new patients at his office in Orange, CA.