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Home > CA Providers > Family Physicians & Family Medicine Specialists

Dr. James W. Hornstein, MD

(5 Ratings)

Specializes in: Family Medicine

2793 Loma Vista Road
Ventura, CA 93003

(805) 643-9292

Dr. James W. Hornstein, MD is a family medicine practitioner in Ventura, CA specializing in family medicine. Dr. James W. Hornstein, MD is affiliated with James Hornstein, MD.

Office Locations

2793 Loma Vista Road
Ventura, CA 93003

(805) 643-9292

(805) 643-3626

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In The News (see more mentions in the news)

“On Sept. 15, Dr. James Hornstein, Ventura County Medical Center chair of ethics, will answer questions on medical ethics with a talk titled Three Ladies and a Dude: The Ethics of Patient Choice.”—"CSUCI Speakers Target Prescription Drug Costs, Medical Ethics | Your Health | Noozhawk", Noozhawk, September 2017

“James Hornstein, M.D., chairman of the Bioethics Committee at Community Memorial Hospital, will lead the discussion that will be held from 6 to 8 p.m. in the eighth-floor Nichols Auditorium at CMH,...”—"CMHS Seminar to Focus on Healthcare Decisions", Santa Paula Times, March 2012

“James Hornstein, M.D., will lead the seminar that will run from 9 to 10:30 a.m. in the Soule Park banquet room, at 1033 East Ojai Ave.Physicians and nurses strive daily to do the right thing for...”—"CMHS Seminar in Ojai to Focus on Hippocratic Oath", Santa Paula Times, June 2008

Noteworthy Medicare Patient Procedures Performed by Dr. James W. Hornstein, MD in 2023

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

Top 25%

By Volume:

chronic care

By Affordability:

chronic care

In 2012, among providers in related specialties within California, Dr. James W. Hornstein, MD performed more chronic care procedures for Medicare patients than 75% of them and he also had a list price for chronic care 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. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2012 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

doctor visit	1088
ear procedures	33
hospital care	20
inpatient care	20
lab tests	60
preventive care	193
vaccines	133

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2013 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

doctor visit	1087
ear procedures	22
hospital care	109
inpatient care	109
lab tests	47
preventive care	164
vaccines	117

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	134
Female	152

**Ethnicity**
Non-Hispanic White	248
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	88
85 and over	47
Less than 65	17

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2013

Hypertension	67
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	17
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2014 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

doctor visit	1234
ear procedures	27
hospital care	83
inpatient care	83
lab tests	34
preventive care	162
vaccines	128

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	126
Female	159

**Ethnicity**
Non-Hispanic White	249
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	91
85 and over	48
Less than 65	13

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2014

Hypertension	64
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	34
Asthma	5
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2015 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

doctor visit	1186
ear procedures	19
hospital care	147
inpatient care	147
lab tests	36
preventive care	197
vaccines	161

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	286
Female	330

**Ethnicity**
Non-Hispanic White	538
Black	0
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	184
85 and over	100
Less than 65	34

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2015

Hypertension	63
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	24
Depression	14
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2016 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

doctor visit	1160
ear procedures	34
hospital care	101
inpatient care	101
lab tests	31
preventive care	210
vaccines	179

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	127
Female	148

**Ethnicity**
Non-Hispanic White	247
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	90
85 and over	44
Less than 65	16

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2016

Hypertension	67
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	23
Depression	23
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	16
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2017 were chronic care, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

chronic care	537
doctor visit	1339
ear procedures	25
hospital care	52
inpatient care	52
lab tests	28
preventive care	150
vaccines	122

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	138
Female	163

**Ethnicity**
Non-Hispanic White	263
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	93
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2017

Hypertension	68
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	24
Depression	31
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	16
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2018 were chronic care, preventive care, hospital care and inpatient care.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

chronic care	263
doctor visit	1339
ear procedures	18
hospital care	42
inpatient care	42
lab tests	15
preventive care	66
vaccines	37

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	159
Female	156

**Ethnicity**
Non-Hispanic White	271
Black	0
Hispanic	18
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	103
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2018

Hypertension	70
High Cholesterol	70
Stroke	4
Ischemic Heart Disease	25
Depression	31
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	11
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	14
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2019 were chronic care, hospital care, inpatient care and ear procedures.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

chronic care	63
doctor visit	1381
ear procedures	23
hospital care	52
inpatient care	52
preventive care	20
removal of lesion (e.g. growth)	13
skin procedures	13
vaccines	20

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	162
Female	146

**Ethnicity**
Non-Hispanic White	268
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	101
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2019

Hypertension	69
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	25
Depression	26
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2020 were chronic care, ear procedures, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

chronic care	610
doctor visit	1322
ear procedures	24
removal of lesion (e.g. growth)	11
skin procedures	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	161
Female	156

**Ethnicity**
Non-Hispanic White	277
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	103
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2020

Hypertension	73
High Cholesterol	74
Stroke	4
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	5
Diabetes	16
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2021 were chronic care and ear procedures.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

chronic care	873
doctor visit	1384
ear procedures	25

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	174
Female	160

**Ethnicity**
Non-Hispanic White	289
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	118
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2021

Hypertension	72
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	5
Diabetes	16
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2022 were chronic care, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

chronic care	735
doctor visit	1008
ear procedures	35
preventive care	89
removal of lesion (e.g. growth)	14
skin procedures	14
vaccines	89

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	167
Female	154

**Ethnicity**
Non-Hispanic White	283
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	107
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	21
Depression	25
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA during 2023 were chronic care and ear procedures.

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

chronic care	545
doctor visit	1147
ear procedures	24

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	171
Female	144

**Ethnicity**
Non-Hispanic White	280
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	111
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James W. Hornstein, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	22
Depression	26
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	14
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. James W. Hornstein, MD for Medicare patients.

The highest averages for the top procedures that Dr. James W. Hornstein, MD treated as a family medicine practitioner in Ventura, CA were chronic care, preventive care, vaccines and hospital care.

chronic care	518
doctor visit	1222
ear procedures	25
hospital care	75
inpatient care	75
lab tests	35
preventive care	139
removal of lesion (e.g. growth)	12
skin procedures	12
vaccines	109

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. James W. Hornstein, MD.

**Gender**
Male	150
Female	155

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	267
Hispanic	12
Native American / Alaskan Native	0
Other	7

**Age**
75 to 84	99
85 and over	19
Less than 65	6
65 to 74	142

Average of Total of Conditions of Medicare patients treated by Dr. James W. Hornstein, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. James W. Hornstein, MD treated were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	63
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	24
Asthma	7
Osteoporosis	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	15
Atrial Fibrillation	11
Cancer	11
Dementia	8

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. James W. Hornstein, MD is associated with these hospitals and organizations:

James Hornstein, MD

Ratings & Reviews

Dr. James W. Hornstein, MD 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. James W. Hornstein, MD from all over the web to help you find the right in Ventura, CA.

4.2

Overall Rating

(5 Ratings)

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General Payments

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

**Payments by Company**
Phadia US Inc.	$27 SDG-IDD-Allergy $27
Medtronic Vascular, Inc.	$22 Pacemakers $22
Novo Nordisk Inc	$17 $17

**Types of Payments**
Food and Beverage	$39
Education	$27

Biography

Dr. James Hornstein is a specialist in family medicine in Ventura, CA. He attended medical school at the University of California, Los Angeles (UCLA), David Geffen School of Medicine. Patients gave Dr. Hornstein an average rating of 4.0 stars (out of 5). He has received professional recognition including the following: Southern California Super Doctors.