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Dr. Jeffrey Ellis Marshak, OD

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Specializes in: Optometry (Primary Eye Care)

390 N Sepulveda Boulevard Suite 1100
El Segundo, CA 90245

(310) 641-1700

Dr. Jeffrey Ellis Marshak, OD is an optometrist in El Segundo, CA specializing in optometry (primary eye care).

Office Locations

390 N Sepulveda Boulevard Suite 1100
El Segundo, CA 90245

(310) 641-1700

(310) 535-2155

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Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA during 2013 were eye procedures.

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

eye procedures	780

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	263
Female	510

**Ethnicity**
Non-Hispanic White	441
Black	76
Hispanic	217
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	238
85 and over	271
Less than 65	88

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2013

The most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated during 2013 were hypertension, dementia, ischemic heart disease and diabetes.

Hypertension	75
High Cholesterol	49
Stroke	18
Ischemic Heart Disease	59
Depression	45
Chronic Kidney Disease	46
Asthma	12
Osteoperosis	16
Atrial Fibrilation	17
Heart Failure	50
Chronic Obstructive Pulmonary Disease	33
Diabetes	56
Dementia	62
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA during 2014 were eye procedures.

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

eye procedures	1314

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	457
Female	842

**Ethnicity**
Non-Hispanic White	761
Black	108
Hispanic	352
Asian	54
Other	13
Native American	11

**Age**
From 65 to 74	269
From 75 to 84	373
85 and over	495
Less than 65	162

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2014

The most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated during 2014 were hypertension, dementia, ischemic heart disease and diabetes.

Hypertension	75
High Cholesterol	47
Stroke	17
Ischemic Heart Disease	52
Depression	46
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	49
Chronic Obstructive Pulmonary Disease	29
Diabetes	51
Dementia	66
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA during 2015 were eye procedures.

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

eye procedures	1159

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	830
Female	1442

**Ethnicity**
Non-Hispanic White	1464
Black	122
Hispanic	580
Asian	76
Other	0
Native American	0

**Age**
From 65 to 74	442
From 75 to 84	678
85 and over	898
Less than 65	254

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2015

The most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated during 2015 were hypertension, dementia, ischemic heart disease and diabetes.

Hypertension	75
High Cholesterol	46
Stroke	17
Ischemic Heart Disease	50
Depression	44
Chronic Kidney Disease	46
Asthma	17
Osteoperosis	16
Atrial Fibrilation	18
Heart Failure	46
Chronic Obstructive Pulmonary Disease	27
Diabetes	49
Dementia	66
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA during 2016 were eye procedures.

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

eye procedures	1283

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	495
Female	770

**Ethnicity**
Non-Hispanic White	784
Black	62
Hispanic	355
Asian	38
Other	14
Native American	12

**Age**
From 65 to 74	277
From 75 to 84	390
85 and over	446
Less than 65	152

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2016

The most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated during 2016 were hypertension, dementia, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	51
Stroke	17
Ischemic Heart Disease	50
Depression	48
Chronic Kidney Disease	48
Asthma	31
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	45
Chronic Obstructive Pulmonary Disease	29
Diabetes	50
Dementia	66
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA during 2017 were eye procedures.

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

eye procedures	500

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	187
Female	312

**Ethnicity**
Non-Hispanic White	310
Black	23
Hispanic	148
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	145
85 and over	179
Less than 65	67

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2017

The most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated during 2017 were hypertension, dementia, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	46
Stroke	15
Ischemic Heart Disease	51
Depression	43
Chronic Kidney Disease	51
Asthma	8
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	47
Chronic Obstructive Pulmonary Disease	30
Diabetes	56
Dementia	67
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA during 2018 were eye procedures.

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

eye procedures	254

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	114
Female	139

**Ethnicity**
Non-Hispanic White	128
Black	0
Hispanic	102
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	75
85 and over	88
Less than 65	33

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2018

The most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated during 2018 were hypertension, dementia, diabetes and high cholesterol.

Hypertension	75
High Cholesterol	53
Stroke	23
Ischemic Heart Disease	49
Depression	49
Chronic Kidney Disease	50
Asthma	7
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	46
Chronic Obstructive Pulmonary Disease	30
Diabetes	56
Dementia	63
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA during 2019 were eye procedures.

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

eye procedures	147

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	66
Female	83

**Ethnicity**
Non-Hispanic White	90
Black	0
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	27
From 75 to 84	43
85 and over	63
Less than 65	16

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2019

The most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated during 2019 were hypertension, dementia, high cholesterol and chronic kidney disease.

Hypertension	75
High Cholesterol	56
Stroke	18
Ischemic Heart Disease	48
Depression	48
Chronic Kidney Disease	52
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	45
Chronic Obstructive Pulmonary Disease	28
Diabetes	52
Dementia	67
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2019

Volume of procedures performed by Dr. Jeffrey Ellis Marshak, OD for Medicare patients.

The highest averages for the top procedures that Dr. Jeffrey Ellis Marshak, OD treated as an optometrist in El Segundo, CA were eye procedures.

eye procedures	776

Average Medicare Patient Data From 2013 - 2019

Information about Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD.

**Gender**
Male	344
Female	585

**Ethnicity**
Black / African American	55
Asian / Pacific Islander	24
Non-Hispanic White	568
Hispanic	257
Native American / Alaskan Native	3
Other	3

**Age**
85 and over	348
75 to 84	277
Less than 65	110
65 to 74	193

Average of Total of Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD From 2013 - 2019

The highest averages of the most common conditions of Medicare patients that Dr. Jeffrey Ellis Marshak, OD treated were hypertension, dementia, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	49
Stroke	17
Ischemic Heart Disease	51
Depression	46
Chronic Kidney Disease	48
Asthma	12
Osteoporosis	10
Heart Failure	46
Chronic Obstructive Pulmonary Disease	29
Diabetes	52
Atrial Fibrillation	15
Cancer	6
Dementia	65

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Jeffrey Ellis Marshak, OD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Johnson & Johnson Vision Care, Inc.	$127 Acuvue $114	Soft contact lenses $13
Bausch & Lomb, a division of Bausch Health US, LLC	$53 BTOD $35	ULTRA $19
Optos, Inc.	$21 scanning laser ophthalmoscope $21
ABB Con-Cise Optical Group LLC	$20 Contact Lens $20
Alcon Vision LLC	$20 DAILIES $20
Other	$41 AIR OPTIX $18	Optics $13	LUMIGAN $11

**Types of Payments**
Food and Beverage	$272
Education	$11

Biography

Dr. Jeffrey Marshak specializes in optometry (primary eye care) and practices in El Segundo, CA. Dr. Marshak has obtained a license to practice in California.

Select Year:

Dr. Jeffrey Ellis Marshak, OD

Office Locations

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD in 2019

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2019

Average Medicare Patient Data From 2013 - 2019

Average of Total of Conditions of Medicare patients treated by Dr. Jeffrey Ellis Marshak, OD From 2013 - 2019

Education & Training

Ratings & Reviews

General Payments

Biography

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