In 2023, Dr. Lewis Gamarra, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), removal of skin lesion (growth or mark), skin lesion destruction (e.g. laser surgery), skin procedures, and vaccines 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 25%

By Volume:

flu shot

skin lesion destruction

By Affordability:

In 2012, among providers in related specialties within California, Dr. Lewis Gamarra, MD performed more flu shot, and skin lesion destruction (e.g. laser surgery) procedures for Medicare patients than 75% of them and he also had a list price for blood tests, diabetes management, lab tests, and urine tests 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

2012 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2012 were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	275
doctor visit	1750
ear procedures	29
hospital care	98
inpatient care	98
lab tests	319
musculoskeletal imaging	40
nursing home care	85
preventive care	106
removal of lesion (e.g. growth)	240
skin procedures	240
vaccines	106
X-rays	40

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2013 were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	252
diagnostic procedures	11
doctor visit	1413
ear procedures	28
hospital care	103
inpatient care	103
lab tests	298
musculoskeletal imaging	39
nursing home care	127
preventive care	90
removal of lesion (e.g. growth)	177
skin procedures	177
vaccines	90
X-rays	39

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	103
Female	133

**Ethnicity**
Non-Hispanic White	193
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	79
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2013

Hypertension	75
High Cholesterol	31
Stroke	8
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	32
Dementia	22
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2014 were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	233
doctor visit	1427
ear procedures	32
hospital care	69
inpatient care	69
lab tests	259
musculoskeletal imaging	81
nursing home care	75
preventive care	98
removal of lesion (e.g. growth)	157
skin procedures	157
vaccines	98
X-rays	81

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	102
Female	125

**Ethnicity**
Non-Hispanic White	180
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	81
From 75 to 84	72
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2014

Hypertension	75
High Cholesterol	36
Stroke	7
Ischemic Heart Disease	22
Depression	25
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	23
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2015 were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	259
doctor visit	1340
ear procedures	20
hospital care	85
inpatient care	85
lab tests	290
musculoskeletal imaging	42
nursing home care	57
preventive care	84
removal of lesion (e.g. growth)	189
skin procedures	189
vaccines	84
X-rays	42

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	190
Female	240

**Ethnicity**
Non-Hispanic White	342
Black	0
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	138
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2015

Hypertension	75
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	27
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2016 were lab tests, removal of lesion (e.g. growth), skin procedures and diabetes management.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	161
doctor visit	1445
ear procedures	11
hospital care	105
inpatient care	105
lab tests	203
musculoskeletal imaging	58
nursing home care	71
preventive care	96
removal of lesion (e.g. growth)	198
skin procedures	198
vaccines	96
X-rays	58

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	122
Female	122

**Ethnicity**
Non-Hispanic White	195
Black	0
Hispanic	22
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	81
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2016

Hypertension	75
High Cholesterol	42
Stroke	7
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	32
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2017 were lab tests, removal of lesion (e.g. growth), skin procedures and inpatient care.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	119
diagnostic procedures	13
doctor visit	1433
ear procedures	26
hospital care	119
inpatient care	119
lab tests	147
musculoskeletal imaging	54
nursing home care	68
preventive care	92
removal of lesion (e.g. growth)	135
skin procedures	135
vaccines	92
X-rays	54

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	126
Female	124

**Ethnicity**
Non-Hispanic White	208
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	91
85 and over	54
Less than 65	13

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2017

Hypertension	75
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2018 were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	252
diagnostic procedures	18
doctor visit	1441
ear procedures	21
hospital care	58
inpatient care	58
lab tests	293
preventive care	107
removal of lesion (e.g. growth)	123
skin procedures	123
vaccines	92

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	129
Female	127

**Ethnicity**
Non-Hispanic White	211
Black	0
Hispanic	21
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	97
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2018

Hypertension	75
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	33
Asthma	4
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	36
Dementia	22
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2019 were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	180
doctor visit	1445
ear procedures	26
hospital care	62
inpatient care	62
lab tests	215
preventive care	100
removal of lesion (e.g. growth)	102
skin procedures	102
vaccines	100

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	135
Female	121

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	20
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	99
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2019

Hypertension	75
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	25
Depression	21
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	39
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2020 were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	156
doctor visit	1280
ear procedures	13
lab tests	180
preventive care	108
removal of lesion (e.g. growth)	130
skin procedures	130
vaccines	108

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	123
Female	112

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	17
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	91
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2020

Hypertension	75
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	25
Depression	19
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2021 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	142
doctor visit	1274
ear procedures	27
lab tests	173
preventive care	91
removal of lesion (e.g. growth)	89
skin procedures	89
vaccines	91

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	133
Female	119

**Ethnicity**
Non-Hispanic White	213
Black	0
Hispanic	14
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	99
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2021

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	24
Depression	18
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	37
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA during 2022 were hospital care, inpatient care, lab tests and diabetes management.

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

diabetes management	125
doctor visit	1408
ear procedures	33
hospital care	207
inpatient care	207
lab tests	162
preventive care	119
removal of lesion (e.g. growth)	88
skin procedures	88
vaccines	108

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	190
Female	167

**Ethnicity**
Non-Hispanic White	312
Black	0
Hispanic	19
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	145
85 and over	78
Less than 65	12

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	23
Asthma	6
Osteoperosis	20
Atrial Fibrilation	23
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Dementia	8
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Lewis Gamarra, MD for Medicare patients.

The highest averages for the top procedures that Dr. Lewis Gamarra, MD treated as an internist in Emeryville, CA were lab tests, diabetes management, removal of lesion (e.g. growth) and skin procedures.

diabetes management	195
diagnostic procedures	14
doctor visit	1423
ear procedures	24
hospital care	100
inpatient care	100
lab tests	230
musculoskeletal imaging	52
nursing home care	80
preventive care	99
removal of lesion (e.g. growth)	148
skin procedures	148
vaccines	96
X-rays	52

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Lewis Gamarra, MD.

**Gender**
Male	123
Female	126

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	4
Non-Hispanic White	204
Native American / Alaskan Native	0
Hispanic	19
Other	2

**Age**
75 to 84	90
85 and over	12
Less than 65	2
65 to 74	90

Average of Total of Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	40
Stroke	3
Ischemic Heart Disease	20
Depression	17
Chronic Kidney Disease	26
Asthma	2
Osteoporosis	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Atrial Fibrillation	11
Dementia	17
Cancer	9

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Lewis Gamarra, MD has a high overall rating with an average of 4.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Lewis Gamarra, MD from all over the web to help you find the right in Emeryville, CA.

Overall Rating

(2 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$399 XARELTO $329	INVOKANA $70
AstraZeneca Pharmaceuticals LP	$387 FARXIGA $236	ANDEXXA $134	DUTOPROL $16
SANOFI-AVENTIS U.S. LLC	$242 TOUJEO $242
GlaxoSmithKline, LLC.	$192 SHINGRIX $116	TANZEUM $39	VENTOLIN $24	AVODART $13
Boehringer Ingelheim Pharmaceuticals, Inc.	$183 Pradaxa $102	TRADJENTA $31	JARDIANCE $20	STRIVERDI RESPIMAT $16	Spiriva $14
Other	$957 Relistor $118	SYMPROIC $76	MOVANTIK $70	BELBUCA $64	Xtampza ER $58	Other $570

**Types of Payments**
Food and Beverage	$2,319
Education	$40

Research Payments

Dr. Lewis Gamarra, MD has received 202 research payments totaling $186,345.

Biography

Dr. Lewis Gamarra's area of specialization is hospital medicine (hospitalist). Dr. Gamarra has a 4.0 out of 5 star average patient rating. He studied medicine at Medical College of Wisconsin.

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Dr. Lewis Gamarra, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Lewis Gamarra, MD in 2023

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. Lewis Gamarra, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Lewis Gamarra, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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