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Dr. David George Rorison, MD

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Specializes in: Emergency Medicine

University of Maryland School of Medicine (1981)

8105 Ritchie Highway
Pasadena, MD 21122

(443) 573-0564

Dr. David George Rorison, MD is an emergency medicine doctor in Pasadena, MD specializing in emergency medicine. He graduated from University of Maryland School of Medicine in 1981 and has 45 years of experience. Dr. David George Rorison, MD is affiliated with Patient First and PATIENT FIRST MARYLAND MEDICAL GROUP PLLC.

Office Locations

Patient First

8105 Ritchie Highway
Pasadena, MD 21122

(443) 573-0564

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22 S Greene Street
Baltimore, MD 21201

(410) 328-4383

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Noteworthy Medicare Patient Procedures Performed by Dr. David George Rorison, MD in 2023

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

Top 5%

By Volume:

complete blood count

In 2023, Dr. David George Rorison, MD performed more complete blood count (CBC) procedures for Medicare patients than 95% of providers in related specialties within Maryland.

Top 10%

By Volume:

blood draw

phlebotomy for lab tests

In 2023, Dr. David George Rorison, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 90% of providers in related specialties within Maryland.

Top 25%

By Volume:

lab tests

thoracic imaging

urinalysis

By Affordability:

blood count tests

blood draw

blood draw for lab tests

complete blood count

immunization

phlebotomy for lab tests

vaccines

venipuncture

In 2013, among providers in related specialties within Maryland, Dr. David George Rorison, MD performed more lab tests, thoracic (chest) imaging, and urinalysis procedures for Medicare patients than 75% of them and he also had a list price for blood count tests, blood draw, blood draw for lab tests, complete blood count (CBC), immunization (preventive vaccines), phlebotomy for lab tests, vaccines, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of them. 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

2013 Medicare Procedure Volume

The top procedures that Dr. David George Rorison, MD treated as an emergency medicine doctor in Pasadena, MD during 2013 were emergency care.

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

emergency care	15

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David George Rorison, MD.

**Gender**
Male	15
Female	14

**Ethnicity**
Non-Hispanic White	11
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Dr. David George Rorison, MD in 2013

The most common conditions of Medicare patients that Dr. David George Rorison, MD treated during 2013 were hypertension, depression and ischemic heart disease.

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	48
Depression	52
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

doctor visit	12

Conditions of Medicare patients treated by Dr. David George Rorison, MD in 2015

The most common conditions of Medicare patients that Dr. David George Rorison, MD treated during 2015 were hypertension.

Hypertension	61
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David George Rorison, MD treated as an emergency medicine doctor in Pasadena, MD during 2019 were lab tests and breathing treatment.

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

breathing treatment	14
doctor visit	329
lab tests	52

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David George Rorison, MD.

**Gender**
Male	112
Female	197

**Ethnicity**
Non-Hispanic White	274
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	99
85 and over	32
Less than 65	32

Conditions of Medicare patients treated by Dr. David George Rorison, MD in 2019

The most common conditions of Medicare patients that Dr. David George Rorison, MD treated during 2019 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	58
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David George Rorison, MD treated as an emergency medicine doctor in Pasadena, MD during 2020 were lab tests and blood draw.

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

blood draw	22
doctor visit	625
lab tests	101

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David George Rorison, MD.

**Gender**
Male	202
Female	353

**Ethnicity**
Non-Hispanic White	483
Black	32
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	176
85 and over	49
Less than 65	34

Conditions of Medicare patients treated by Dr. David George Rorison, MD in 2020

The most common conditions of Medicare patients that Dr. David George Rorison, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	52
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	23
Asthma	6
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David George Rorison, MD treated as an emergency medicine doctor in Pasadena, MD during 2021 were lab tests, blood draw, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

blood draw	47
doctor visit	461
lab tests	146
thoracic (chest) imaging	11
X-rays	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David George Rorison, MD.

**Gender**
Male	190
Female	327

**Ethnicity**
Non-Hispanic White	416
Black	69
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	140
85 and over	47
Less than 65	66

Conditions of Medicare patients treated by Dr. David George Rorison, MD in 2021

The most common conditions of Medicare patients that Dr. David George Rorison, MD treated during 2021 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	31
Depression	22
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David George Rorison, MD treated as an emergency medicine doctor in Pasadena, MD during 2022 were lab tests, blood draw, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

blood draw	121
doctor visit	614
lab tests	325
thoracic (chest) imaging	20
X-rays	20

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David George Rorison, MD.

**Gender**
Male	292
Female	492

**Ethnicity**
Non-Hispanic White	623
Black	111
Hispanic	15
Asian	14
Other	21
Native American	0

**Age**
From 65 to 74	361
From 75 to 84	252
85 and over	76
Less than 65	95

Conditions of Medicare patients treated by Dr. David George Rorison, MD in 2022

The most common conditions of Medicare patients that Dr. David George Rorison, MD treated during 2022 were hypertension, high cholesterol, diabetes and depression.

Hypertension	73
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	20
Depression	24
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	22
Diabetes	30
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David George Rorison, MD treated as an emergency medicine doctor in Pasadena, MD during 2023 were lab tests, blood draw, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

blood draw	206
doctor visit	736
lab tests	595
minor procedures	11
preventive care	12
spinal procedures	13
thoracic (chest) imaging	35
vaccines	12
wound repair (e.g. stitches)	11
X-rays	48

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David George Rorison, MD.

**Gender**
Male	337
Female	670

**Ethnicity**
Non-Hispanic White	796
Black	151
Hispanic	20
Asian	15
Other	25
Native American	0

**Age**
From 65 to 74	468
From 75 to 84	324
85 and over	115
Less than 65	100

Conditions of Medicare patients treated by Dr. David George Rorison, MD in 2023

The most common conditions of Medicare patients that Dr. David George Rorison, MD treated during 2023 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	24
Depression	22
Chronic Kidney Disease	21
Asthma	13
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	13
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. David George Rorison, MD for Medicare patients.

The highest averages for the top procedures that Dr. David George Rorison, MD treated as an emergency medicine doctor in Pasadena, MD were lab tests, blood draw, X-rays and thoracic (chest) imaging.

blood draw	99
doctor visit	462
emergency care	15
lab tests	243
minor procedures	11
preventive care	12
spinal procedures	13
thoracic (chest) imaging	22
vaccines	12
wound repair (e.g. stitches)	11
X-rays	26

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. David George Rorison, MD.

**Gender**
Female	293
Male	164

**Ethnicity**
Black / African American	54
Asian / Pacific Islander	4
Non-Hispanic White	371
Native American / Alaskan Native	0
Hispanic	5
Other	12

**Age**
85 and over	45
75 to 84	141
Less than 65	46
65 to 74	219

Average of Total of Conditions of Medicare patients treated by Dr. David George Rorison, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. David George Rorison, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	65
High Cholesterol	43
Stroke	2
Ischemic Heart Disease	24
Depression	22
Chronic Kidney Disease	15
Asthma	6
Osteoporosis	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Atrial Fibrillation	8
Cancer	8
Dementia	4

Education & Training

Dr. David George Rorison, MD graduated from University of Maryland School of Medicine in 1981. He has a state license in Maryland.

Medical School: University of Maryland School of Medicine (1981)

Licensed In: Maryland

Affiliations & Hospitals

Dr. David George Rorison, MD is associated with these hospitals and organizations:

Patient First

PATIENT FIRST MARYLAND MEDICAL GROUP PLLC

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Biography

Dr. David Rorison's area of specialization is emergency medicine. Dr. Rorison is a graduate of the University of Maryland School of Medicine. He is professionally affiliated with Patient First.