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Dr. Mark H. Barak, MD

(5 Ratings)

Specializes in: Ophthalmology (Eye Disease)

1911 Foothill Boulevard
Ste A La Verne, CA 91750

(909) 596-5900

Dr. Mark H. Barak, MD is an ophthalmologist in Ste A La Verne, CA specializing in ophthalmology (eye disease). Dr. Mark H. Barak, MD is affiliated with Pomona Valley Hospital Medical Center.

Office Locations

1911 Foothill Boulevard
Ste A La Verne, CA 91750

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1911 Foothill Boulevard Suite A
La Verne, CA 91750

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark H. Barak, MD in 2024

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

Top 25%

By Volume:

ultrasound

By Affordability:

comprehensive eye exam

corneal topography

eye exam

intravitreal drug injection

intravitreal injection

vascular procedures

In 2012, among providers in related specialties within California, Dr. Mark H. Barak, MD performed more ultrasound (sonogram) procedures for Medicare patients than 75% of them and he also had a list price for comprehensive eye exam, corneal topography, eye exam, intravitreal drug injection, intravitreal injection, and vascular procedures 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. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2012 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	31
eye procedures	1365
laser treatment	55
ultrasound (sonogram)	109

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2013 were eye procedures, ultrasound (sonogram), laser treatment and injections.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	21
eye procedures	1236
injections	43
laser treatment	48
ultrasound (sonogram)	92

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	167
Female	260

**Ethnicity**
Non-Hispanic White	155
Black	42
Hispanic	204
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	146
85 and over	56
Less than 65	63

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2013

Hypertension	75
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	38
Chronic Obstructive Pulmonary Disease	16
Diabetes	55
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2014 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	26
eye procedures	956
laser treatment	49
ultrasound (sonogram)	50

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	126
Female	202

**Ethnicity**
Non-Hispanic White	135
Black	31
Hispanic	141
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	118
85 and over	42
Less than 65	46

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2014

Hypertension	72
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	34
Depression	18
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	32
Chronic Obstructive Pulmonary Disease	14
Diabetes	50
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2015 were eye procedures, injections, ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	19
eye procedures	882
injections	56
laser treatment	32
ultrasound (sonogram)	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	208
Female	356

**Ethnicity**
Non-Hispanic White	230
Black	46
Hispanic	232
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	186
85 and over	86
Less than 65	88

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2015

Hypertension	70
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	37
Depression	21
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	29
Chronic Obstructive Pulmonary Disease	15
Diabetes	52
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2016 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	22
eye procedures	720
laser treatment	36
ultrasound (sonogram)	41

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	99
Female	150

**Ethnicity**
Non-Hispanic White	111
Black	22
Hispanic	95
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	84
85 and over	39
Less than 65	41

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2016

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	39
Depression	18
Chronic Kidney Disease	42
Asthma	21
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	28
Chronic Obstructive Pulmonary Disease	16
Diabetes	50
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2017 were eye procedures, lacrimal (tearing system) procedures, ultrasound (sonogram) and ablation.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

ablation	21
capsulotomy	18
eye procedures	805
lacrimal (tearing system) procedures	49
laser treatment	18
ultrasound (sonogram)	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	96
Female	155

**Ethnicity**
Non-Hispanic White	105
Black	20
Hispanic	107
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	83
85 and over	29
Less than 65	33

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2017

Hypertension	73
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	30
Chronic Obstructive Pulmonary Disease	12
Diabetes	51
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2018 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	26
eye procedures	900
laser treatment	41
ultrasound (sonogram)	43

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	102
Female	172

**Ethnicity**
Non-Hispanic White	120
Black	23
Hispanic	114
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	87
85 and over	40
Less than 65	35

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2018

Hypertension	74
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	38
Depression	20
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	18
Atrial Fibrilation	12
Heart Failure	31
Chronic Obstructive Pulmonary Disease	17
Diabetes	51
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2019 were eye procedures, laser treatment, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	25
eye procedures	905
laser treatment	50
ultrasound (sonogram)	44

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	107
Female	184

**Ethnicity**
Non-Hispanic White	103
Black	21
Hispanic	144
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	90
85 and over	41
Less than 65	31

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2019

Hypertension	75
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	35
Depression	19
Chronic Kidney Disease	41
Asthma	8
Osteoperosis	17
Atrial Fibrilation	12
Heart Failure	37
Chronic Obstructive Pulmonary Disease	15
Diabetes	52
Dementia	13
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2020 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	18
eye procedures	701
laser treatment	18
ultrasound (sonogram)	30

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	99
Female	158

**Ethnicity**
Non-Hispanic White	84
Black	19
Hispanic	129
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	83
85 and over	31
Less than 65	30

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2020

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	31
Depression	20
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	12
Atrial Fibrilation	7
Heart Failure	30
Chronic Obstructive Pulmonary Disease	14
Diabetes	53
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2021 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	21
eye procedures	813
lacrimal (tearing system) procedures	11
laser treatment	21
ultrasound (sonogram)	39

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	101
Female	168

**Ethnicity**
Non-Hispanic White	106
Black	25
Hispanic	114
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	85
85 and over	31
Less than 65	30

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2021

Hypertension	75
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	27
Chronic Obstructive Pulmonary Disease	9
Diabetes	52
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2022 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	23
eye procedures	1018
laser treatment	38
ultrasound (sonogram)	48

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	95
Female	174

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	111
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	89
85 and over	32
Less than 65	35

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	21
Depression	23
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	26
Chronic Obstructive Pulmonary Disease	15
Diabetes	52
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2023 were eye procedures, ultrasound (sonogram), vascular procedures and injections.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	22
eye procedures	1019
injections	37
laser treatment	22
ultrasound (sonogram)	127
vascular procedures	74

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	94
Female	175

**Ethnicity**
Non-Hispanic White	121
Black	0
Hispanic	112
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	87
85 and over	36
Less than 65	37

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	12
Diabetes	55
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA during 2024 were eye procedures, ultrasound (sonogram), vascular procedures and injections.

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

capsulotomy	26
eye procedures	1041
injections	52
lacrimal (tearing system) procedures	13
laser treatment	26
ultrasound (sonogram)	123
vascular procedures	71

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Male	105
Female	159

**Ethnicity**
Non-Hispanic White	103
Black	0
Hispanic	118
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	89
85 and over	40
Less than 65	36

Conditions of Medicare patients treated by Dr. Mark H. Barak, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	17
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	13
Diabetes	57
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Mark H. Barak, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark H. Barak, MD treated as an ophthalmologist in Ste A La Verne, CA were eye procedures, vascular procedures, ultrasound (sonogram) and injections.

ablation	21
capsulotomy	22
eye procedures	950
injections	47
lacrimal (tearing system) procedures	24
laser treatment	34
ultrasound (sonogram)	64
vascular procedures	72

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mark H. Barak, MD.

**Gender**
Female	177
Male	107

**Ethnicity**
Black / African American	19
Asian / Pacific Islander	5
Non-Hispanic White	114
Native American / Alaskan Native	0
Hispanic	124
Other	0

**Age**
85 and over	38
75 to 84	94
Less than 65	38
65 to 74	113

Average of Total of Conditions of Medicare patients treated by Dr. Mark H. Barak, MD From 2012 - 2024

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

Hypertension	68
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	31
Asthma	8
Osteoporosis	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	12
Diabetes	48
Atrial Fibrillation	10
Cancer	9
Dementia	9

Education & Training

He completed residency at University of Wisconsin Hospital and Clinics. He has a state license in California.

Residency: University of Wisconsin Hospital and Clinics (1991)

Licensed In: California

Ratings & Reviews

Dr. Mark H. Barak, MD has a high overall rating with an average of 3.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Mark H. Barak, MD from all over the web to help you find the right in Ste A La Verne, CA.

3.6

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Dutch Ophthalmic Research Center (International) B.V.	$850 EVA Ophthalmic Surgical System $850
Alcon Vision LLC	$622 Hydrus Microstent $374	AcrySof $49	CLAREON $47	ReSTOR $46	AcrySof IQ VIVITY IOL $42	Other $63
AbbVie Inc.	$539 XEN GLAUCOMA TREATMENT SYSTEM $513	OZURDEX $26
Sight Sciences, Inc.	$436 OMNI Surgical System $231	OMNI(R) SURGICAL SYSTEM (US) $205
Amgen Inc.	$398 TEPEZZA $398
Other	$2,641 Oxervate $260	TEPEZZA $233	VABYSMO $211	m22 $206	PURIFIED CORTROPHIN GEL $169	Other $1,562

**Types of Payments**
Food and Beverage	$4,599
Consulting Fee	$850
Education	$38

Biography

Dr. Mark Barak practices ophthalmology (eye disease) in La Verne, CA. He is affiliated with Pomona Valley Hospital Medical Center. His medical residency was performed at the University of Wisconsin Hospital and Clinics. On average, patients gave Dr. Barak a rating of 2.0 stars (out of 5).