Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers > Internists & Internal Medicine Doctors

Dr. Neil R. Okamura, DO

(Dr. Neil R. Okamura, DO)

(8 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

Michigan State University College of Osteopathic Medicine (1988)

1320 El Capitan Drive Suite 310
Danville, CA 94526

(925) 380-6211

Dr. Neil R. Okamura, DO is an internist in Danville, CA specializing in internal medicine (adult medicine). He graduated from Michigan State University College of Osteopathic Medicine in 1988 and has 38 years of experience.

Office Locations

1320 El Capitan Drive Suite 310
Danville, CA 94526

open_in_new

In The News

“Internal medicine specialist Neil Okamura and neurologist Kulveen Sachdeva will answer questions about headaches and migraines on TV30's "Ask the Doctor."”—"See Jane Run Triathlon Sept. 29", East Bay Times, September 2007

Noteworthy Medicare Patient Procedures Performed by Dr. Neil R. Okamura, DO in 2023

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

Top 5%

By Affordability:

fecal occult blood test

screening fecal occult blood test

screening stool guaiac test

stool guaiac test

stool tests

In 2023, Dr. Neil R. Okamura, DO had a list price for fecal occult blood test (FOBT), screening fecal occult blood test (FOBT), screening stool guaiac test (gFOBT), stool guaiac test (gFOBT), and stool tests 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:

lab tests

urine tests

In 2023, Dr. Neil R. Okamura, DO had a list price for lab tests, and urine tests 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 Volume:

fecal occult blood test

preventive care

screening stool guaiac test

urinalysis

By Affordability:

In 2012, among providers in related specialties within California, Dr. Neil R. Okamura, DO performed more fecal occult blood test (FOBT), preventive care, screening stool guaiac test (gFOBT), and urinalysis procedures for Medicare patients than 75% of them and he also had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines 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. Neil R. Okamura, DO treated as an internist in Danville, CA during 2012 were preventive care, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

breathing treatment	20
complementary or alternative therapy	23
doctor visit	1244
ear procedures	22
hospital care	115
inpatient care	115
lab tests	97
manual therapy	23
osteopathic medicine	23
preventive care	117
skin testing	12
tuberculosis (TB) testing	12
vaccines	89

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2013 were preventive care, lab tests, vaccines and ear procedures.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

doctor visit	1071
ear procedures	16
hospital care	14
inpatient care	14
lab tests	103
preventive care	106
vaccines	80

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	158
Female	178

**Ethnicity**
Non-Hispanic White	259
Black	0
Hispanic	15
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	91
85 and over	81
Less than 65	22

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2013

Hypertension	66
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	16
Asthma	5
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	6
Diabetes	23
Dementia	17
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2014 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

doctor visit	1130
ear procedures	28
hospital care	78
inpatient care	78
lab tests	53
preventive care	131
vaccines	109

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	169
Female	168

**Ethnicity**
Non-Hispanic White	257
Black	0
Hispanic	16
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	90
85 and over	70
Less than 65	18

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2014

Hypertension	65
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	15
Asthma	4
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	5
Diabetes	23
Dementia	15
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2015 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

doctor visit	950
ear procedures	22
hospital care	116
inpatient care	116
lab tests	15
mental health therapy	15
preventive care	86
vaccines	86
weight management	15

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	296
Female	270

**Ethnicity**
Non-Hispanic White	428
Black	0
Hispanic	0
Asian	78
Other	34
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	150
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2015

Hypertension	58
High Cholesterol	47
Stroke	4
Ischemic Heart Disease	29
Depression	14
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	10
Chronic Obstructive Pulmonary Disease	5
Diabetes	23
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2016 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

blood draw	13
doctor visit	680
ear procedures	17
lab tests	17
preventive care	87
vaccines	87

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	138
Female	107

**Ethnicity**
Non-Hispanic White	175
Black	0
Hispanic	0
Asian	42
Other	17
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	70
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2016

Hypertension	54
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	27
Asthma	11
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	21
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2017 were preventive care, vaccines, blood draw and lab tests.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

blood draw	47
doctor visit	430
hospital care	12
inpatient care	12
lab tests	21
preventive care	97
vaccines	97

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	111
Female	82

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	0
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	55
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2017

Hypertension	54
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	25
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2018 were lab tests, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

doctor visit	419
hospital care	12
inpatient care	12
lab tests	39
preventive care	35
vaccines	35

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	82
Female	73

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	0
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	51
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2018

Hypertension	57
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	26
Depression	14
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	9
Chronic Obstructive Pulmonary Disease	0
Diabetes	17
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2019 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

doctor visit	535
lab tests	16
preventive care	76
vaccines	76

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	87
Female	83

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	49
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2019

Hypertension	58
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	27
Depression	12
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2020 were lab tests, osteopathic medicine, manual therapy and complementary or alternative therapy.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

complementary or alternative therapy	16
doctor visit	516
lab tests	41
manual therapy	16
osteopathic medicine	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	90
Female	82

**Ethnicity**
Non-Hispanic White	138
Black	0
Hispanic	0
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2020

Hypertension	58
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	19
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2021 were lab tests, osteopathic medicine, manual therapy and complementary or alternative therapy.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

blood draw	16
complementary or alternative therapy	24
doctor visit	643
lab tests	54
manual therapy	24
osteopathic medicine	24
preventive care	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	112
Female	91

**Ethnicity**
Non-Hispanic White	167
Black	0
Hispanic	0
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	70
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2021

Hypertension	55
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA during 2022 were lab tests, osteopathic medicine, manual therapy and complementary or alternative therapy.

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

complementary or alternative therapy	20
doctor visit	637
lab tests	50
manual therapy	20
osteopathic medicine	20
preventive care	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Male	111
Female	96

**Ethnicity**
Non-Hispanic White	173
Black	0
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	76
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO in 2022

Hypertension	66
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	13
Asthma	10
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	6
Chronic Obstructive Pulmonary Disease	10
Diabetes	17
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Neil R. Okamura, DO for Medicare patients.

The highest averages for the top procedures that Dr. Neil R. Okamura, DO treated as an internist in Danville, CA were vaccines, preventive care, inpatient care and hospital care.

blood draw	25
complementary or alternative therapy	20
doctor visit	750
ear procedures	21
hospital care	57
inpatient care	57
lab tests	46
manual therapy	20
mental health therapy	15
osteopathic medicine	20
preventive care	75
skin testing	12
tuberculosis (TB) testing	12
vaccines	82
weight management	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Neil R. Okamura, DO.

**Gender**
Female	111
Male	123

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	29
Non-Hispanic White	182
Native American / Alaskan Native	0
Hispanic	2
Other	4

**Age**
85 and over	13
75 to 84	68
Less than 65	3
65 to 74	110

Average of Total of Conditions of Medicare patients treated by Dr. Neil R. Okamura, DO From 2012 - 2022

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

Hypertension	53
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	24
Depression	12
Chronic Kidney Disease	18
Asthma	4
Osteoporosis	5
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Atrial Fibrillation	13
Dementia	10
Cancer	9

Education & Training

Dr. Neil R. Okamura, DO graduated from Michigan State University College of Osteopathic Medicine in 1988. He completed residency at St. Mary's Medical Center, San Francisco. He is certified by the American Board of Internal Medicine and has a state license in California.

Medical School: Michigan State University College of Osteopathic Medicine (1988)

Residency: St. Mary's Medical Center, San Francisco (1989)

Board Certification: American Board of Internal Medicine

Licensed In: California

Ratings & Reviews

Dr. Neil R. Okamura, DO has an exceptional overall rating with an average of 5.0 out of 5 stars based on 8 ratings. We collect ratings and reviews of Dr. Neil R. Okamura, DO from all over the web to help you find the right in Danville, CA.

Overall Rating

(8 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Amgen Inc.	$1,260 Repatha $675	Prolia $296	EVENITY $124	Corlanor $64	XGEVA $63	Other $38
Takeda Pharmaceuticals America, Inc.	$1,104 Colcrys $364	Brintellix $195	Kazano $182	Contrave $145	Uloric $78	Other $139
AstraZeneca Pharmaceuticals LP	$943 FARXIGA $303	SYMBICORT $265	CRESTOR $149	BEVESPI AEROSPHERE $73	BYDUREON WEEKLY $34	Other $119
Allergan Inc.	$788 VRAYLAR $302	LINZESS $121	VIBERZI $90	BYSTOLIC $88	NAMENDA XR $66	Other $121
Boehringer Ingelheim Pharmaceuticals, Inc.	$771 JARDIANCE $445	COMBIVENT RESPIMAT $63	STIOLTO $32	TRADJENTA $21	SPIRIVA RESPIMAT $19	Other $190
Other	$10,343 ELIQUIS $654	UBRELVY $540	INVOKANA $417	Myrbetriq $365	JARDIANCE $281	Other $8,085

**Types of Payments**
Food and Beverage	$14,588
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$293
Education	$256
Entertainment	$71

Biography

On average, patients gave Dr. Neil Okamura a rating of 5.0 stars (out of 5). Dr. Okamura graduated from Michigan State University College of Osteopathic Medicine. For his residency, Dr. Okamura trained at St. Mary's Medical Center, San Francisco and Botsford Hospital. He has received professional recognition including the following: Top Doctor, Castle Connolly. He has a closed panel according to Yext.