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Home > CA Providers > Pathologists

Dr. Judy A. Alonzo, MD

(No ratings)

Specializes in: Pathology

University of Colorado Denver School of Medicine

2500 Grant Road Suite Gc33
Mountain View, CA 94040

(650) 940-7033

Dr. Judy A. Alonzo, MD is a pathologist in Burlingame, CA specializing in pathology. She graduated from University of Colorado Denver School of Medicine. Dr. Judy A. Alonzo, MD is affiliated with El Camino Health and Sutter Health.

Office Locations

1783 El Camino Real Pathology Department
Burlingame, CA 94010

(650) 696-5611

open_in_new

2500 Grant Road Suite Gc33
Mountain View, CA 94040

(650) 940-7033

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Sutter Health

383 East Grand Avenue Suite A
South San Francisco, CA 94080

(650) 616-2955

(650) 737-8920

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Noteworthy Medicare Patient Procedures Performed by Dr. Judy A. Alonzo, MD in 2024

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

Top 5%

By Affordability:

immunofixation electrophoresis

In 2024, Dr. Judy A. Alonzo, MD had a list price for immunofixation electrophoresis (IFE) 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 Volume:

lab tests

In 2024, Dr. Judy A. Alonzo, MD performed more lab tests procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Affordability:

blood tests

serum protein electrophoresis

total protein test

total protein urine test

In 2012, Dr. Judy A. Alonzo, MD had a list price for blood tests, serum protein electrophoresis (SPEP), total protein test, and total protein urine test 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. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2012 were lab tests.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

lab tests	1289

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2013 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	15
lab tests	870

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	269
Female	308

**Ethnicity**
Non-Hispanic White	418
Black	43
Hispanic	48
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	216
85 and over	132
Less than 65	50

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	38
Depression	20
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	33
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2014 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	90
lab tests	1014

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	482
Female	642

**Ethnicity**
Non-Hispanic White	797
Black	67
Hispanic	82
Asian	132
Other	0
Native American	0

**Age**
From 65 to 74	542
From 75 to 84	348
85 and over	163
Less than 65	71

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2014

Hypertension	60
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2015 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	136
lab tests	766

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	1278
Female	1736

**Ethnicity**
Non-Hispanic White	2098
Black	176
Hispanic	190
Asian	436
Other	0
Native American	0

**Age**
From 65 to 74	1544
From 75 to 84	982
85 and over	256
Less than 65	232

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2015

Hypertension	57
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	21
Depression	18
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	26
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2016 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	152
lab tests	1117

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	692
Female	862

**Ethnicity**
Non-Hispanic White	1056
Black	93
Hispanic	106
Asian	230
Other	0
Native American	0

**Age**
From 65 to 74	748
From 75 to 84	490
85 and over	201
Less than 65	115

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2016

Hypertension	62
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2017 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	208
lab tests	1238

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	836
Female	1048

**Ethnicity**
Non-Hispanic White	1293
Black	91
Hispanic	130
Asian	275
Other	0
Native American	0

**Age**
From 65 to 74	865
From 75 to 84	679
85 and over	213
Less than 65	127

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2017

Hypertension	63
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2018 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	174
lab tests	1347

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	890
Female	1117

**Ethnicity**
Non-Hispanic White	1409
Black	0
Hispanic	164
Asian	273
Other	82
Native American	0

**Age**
From 65 to 74	957
From 75 to 84	711
85 and over	220
Less than 65	119

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2018

Hypertension	63
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	8
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2019 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	150
lab tests	967

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	854
Female	1038

**Ethnicity**
Non-Hispanic White	1325
Black	0
Hispanic	122
Asian	257
Other	107
Native American	0

**Age**
From 65 to 74	915
From 75 to 84	670
85 and over	212
Less than 65	95

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2019

Hypertension	59
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	54
lab tests	58

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	271
Female	305

**Ethnicity**
Non-Hispanic White	403
Black	0
Hispanic	45
Asian	79
Other	0
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	198
85 and over	45
Less than 65	22

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2020

Hypertension	56
High Cholesterol	55
Stroke	2
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	6
Diabetes	27
Dementia	5
Cancer	21

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2021 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	119
lab tests	214

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	520
Female	529

**Ethnicity**
Non-Hispanic White	775
Black	14
Hispanic	64
Asian	121
Other	75
Native American	0

**Age**
From 65 to 74	518
From 75 to 84	388
85 and over	115
Less than 65	28

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2021

Hypertension	66
High Cholesterol	68
Stroke	3
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	6
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2022 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	71
lab tests	215

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	449
Female	585

**Ethnicity**
Non-Hispanic White	757
Black	17
Hispanic	58
Asian	144
Other	58
Native American	0

**Age**
From 65 to 74	509
From 75 to 84	395
85 and over	107
Less than 65	23

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2022

Hypertension	66
High Cholesterol	74
Stroke	5
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	21
Asthma	12
Osteoperosis	18
Atrial Fibrilation	18
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	4
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2023 were lab tests and cytology.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

cytology	96
lab tests	684

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	641
Female	742

**Ethnicity**
Non-Hispanic White	985
Black	0
Hispanic	85
Asian	174
Other	103
Native American	0

**Age**
From 65 to 74	600
From 75 to 84	581
85 and over	153
Less than 65	49

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2023

Hypertension	68
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	24
Asthma	10
Osteoperosis	19
Atrial Fibrilation	20
Heart Failure	18
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	5
Cancer	21

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA during 2024 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

consultation	20
cytology	83
lab tests	1490

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Male	665
Female	804

**Ethnicity**
Non-Hispanic White	1060
Black	0
Hispanic	111
Asian	155
Other	104
Native American	0

**Age**
From 65 to 74	637
From 75 to 84	578
85 and over	215
Less than 65	39

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2024

Hypertension	70
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	23
Atrial Fibrilation	22
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	5
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Judy A. Alonzo, MD for Medicare patients.

The highest averages for the top procedures that Dr. Judy A. Alonzo, MD treated as a pathologist in Burlingame, CA were lab tests, cytology and consultation.

consultation	20
cytology	112
lab tests	866

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Judy A. Alonzo, MD.

**Gender**
Female	747
Male	603

**Ethnicity**
Black / African American	38
Asian / Pacific Islander	178
Non-Hispanic White	952
Native American / Alaskan Native	0
Hispanic	92
Other	40

**Age**
75 to 84	479
85 and over	156
Less than 65	74
65 to 74	640

Average of Total of Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Judy A. Alonzo, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	58
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	28
Asthma	8
Osteoporosis	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Atrial Fibrillation	13
Dementia	6
Cancer	16

Education & Training

Dr. Judy A. Alonzo, MD graduated from University of Colorado Denver School of Medicine. She completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. She is certified by the Board Certification: Pathology�Anatomic/Pathology�Clinical and has a state license in California.

Medical School: University of Colorado Denver School of Medicine

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Board Certification: Board Certification: Pathology�Anatomic/Pathology�Clinical

Licensed In: California

Affiliations & Hospitals

Dr. Judy A. Alonzo, MD is associated with these hospitals and organizations:

El Camino Health

Sutter Health

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. Judy A. Alonzo, MD appears to accept the following insurance providers: Cigna, Anthem Blue Cross of California, Blue Shield of California, Medicare Advantage, United Healthcare, Health Net: Health Net HMO: Large Group (101+ employees) & Small Group (2-100 employees), Health Net: ELECT POS, Large and Small Group, Sutter Health Plan: Individual and Family Plan HMO, Health Net: ELECT Open Access POS, Large and Small Group, Sutter Health Plan: Large and Small Group HMO, Aetna: Aetna Value Network HMO (AVN) and Health Net: Health Net UC Blue & Gold HMO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Judy A. Alonzo, MD accepts the following insurance providers:

Cigna

Anthem Blue Cross of California

Blue Shield of California

Medicare Advantage

United Healthcare

Health Net: Health Net HMO: Large Group (101+ employees) & Small Group (2-100 employees)

Health Net: ELECT POS, Large and Small Group

Sutter Health Plan: Individual and Family Plan HMO

Health Net: ELECT Open Access POS, Large and Small Group

Sutter Health Plan: Large and Small Group HMO

Aetna: Aetna Value Network HMO (AVN)

Health Net: Health Net UC Blue & Gold HMO

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Judy A. Alonzo, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Stemline Therapeutics Inc.	$105 ELZONRIS $105
Roche Diagnostics Corporation	$21 ePlex $21
Questcor Pharmaceuticals	$16 ACTHAR- NEURO $16
Genentech USA, Inc.	$12 $12

**Types of Payments**
Food and Beverage	$154

Biography

Dr. Judy Alonzo specializes in anatomic pathology and practices in South San Francisco, CA, Burlingame, CA, and Mountain View, CA. She offers language support for Filipino and Spanish-speaking patients. Dr. Alonzo is professionally affiliated with Sequoia Hospital, El Camino Health, and Sutter Health. Before performing her residency at a hospital affiliated with the University of California, San Francisco (UCSF), Dr. Alonzo attended the University of Colorado Denver School of Medicine. She usually honors Blue Shield, Anthem, and Blue California, in addition to other insurance carriers. Dignity Health reports that she is closed to new patients at this time.

Select Year:

Dr. Judy A. Alonzo, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Judy A. Alonzo, MD in 2024

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Judy A. Alonzo, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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