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Dr. George Ishak, MD

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Specializes in: Internal Medicine (Adult Medicine) and Hospital Medicine (Hospitalist)

211 Eastmoor Avenue
Daly City, CA 94015

(415) 391-9686

Dr. George Ishak, MD is an internist in Tarzana, CA specializing in internal medicine (adult medicine) and hospital medicine (hospitalist).

Office Locations

18321 Clark Street
Tarzana, CA 91356

(818) 810-0800

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211 Eastmoor Avenue
Daly City, CA 94015

(415) 391-9686

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215 W Janss Road
Thousand Oaks, CA 91360

(805) 497-2727

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2190 Lynn Road Suite 300
Thousand Oaks, CA 91360

(805) 370-4802

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Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2017 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	496
inpatient care	482
outpatient care	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	109
Female	107

**Ethnicity**
Non-Hispanic White	184
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	71
85 and over	61
Less than 65	17

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2017

Hypertension	75
High Cholesterol	70
Stroke	22
Ischemic Heart Disease	59
Depression	35
Chronic Kidney Disease	69
Asthma	11
Osteoperosis	20
Atrial Fibrilation	30
Heart Failure	42
Chronic Obstructive Pulmonary Disease	35
Diabetes	42
Dementia	20
Cancer	20

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2018 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	1129
inpatient care	1003
outpatient care	126

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	232
Female	215

**Ethnicity**
Non-Hispanic White	373
Black	0
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	164
85 and over	127
Less than 65	37

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2018

Hypertension	75
High Cholesterol	74
Stroke	20
Ischemic Heart Disease	62
Depression	36
Chronic Kidney Disease	64
Asthma	9
Osteoperosis	13
Atrial Fibrilation	32
Heart Failure	45
Chronic Obstructive Pulmonary Disease	31
Diabetes	36
Dementia	25
Cancer	21

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2019 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	854
inpatient care	678
outpatient care	176

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	215
Female	194

**Ethnicity**
Non-Hispanic White	334
Black	0
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	141
85 and over	113
Less than 65	32

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	66
Depression	36
Chronic Kidney Disease	62
Asthma	10
Osteoperosis	16
Atrial Fibrilation	35
Heart Failure	46
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	22
Cancer	20

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2020 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	780
inpatient care	692
outpatient care	88

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	217
Female	156

**Ethnicity**
Non-Hispanic White	308
Black	0
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	147
85 and over	86
Less than 65	25

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	62
Depression	36
Chronic Kidney Disease	63
Asthma	10
Osteoperosis	17
Atrial Fibrilation	27
Heart Failure	43
Chronic Obstructive Pulmonary Disease	25
Diabetes	36
Dementia	20
Cancer	22

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2021 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	681
inpatient care	609
outpatient care	72

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	153
Female	123

**Ethnicity**
Non-Hispanic White	218
Black	0
Hispanic	35
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	103
85 and over	69
Less than 65	24

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	57
Depression	35
Chronic Kidney Disease	61
Asthma	11
Osteoperosis	13
Atrial Fibrilation	29
Heart Failure	45
Chronic Obstructive Pulmonary Disease	28
Diabetes	35
Dementia	21
Cancer	21

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2022 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	715
inpatient care	598
outpatient care	117

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	109
Female	143

**Ethnicity**
Non-Hispanic White	191
Black	0
Hispanic	27
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	90
85 and over	62
Less than 65	22

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	43
Depression	36
Chronic Kidney Disease	41
Asthma	17
Osteoperosis	17
Atrial Fibrilation	36
Heart Failure	39
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	26
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	643
inpatient care	643

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	125
Female	144

**Ethnicity**
Non-Hispanic White	202
Black	0
Hispanic	32
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	92
85 and over	69
Less than 65	26

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	28
Ischemic Heart Disease	45
Depression	45
Chronic Kidney Disease	44
Asthma	16
Osteoperosis	24
Atrial Fibrilation	34
Heart Failure	43
Chronic Obstructive Pulmonary Disease	25
Diabetes	45
Dementia	28
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

hospital care	575
inpatient care	575

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Male	90
Female	110

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	24
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	60
85 and over	57
Less than 65	23

Conditions of Medicare patients treated by Dr. George Ishak, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	29
Ischemic Heart Disease	69
Depression	47
Chronic Kidney Disease	54
Asthma	20
Osteoperosis	18
Atrial Fibrilation	45
Heart Failure	52
Chronic Obstructive Pulmonary Disease	35
Diabetes	59
Dementia	35
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2024

Volume of procedures performed by Dr. George Ishak, MD for Medicare patients.

The highest averages for the top procedures that Dr. George Ishak, MD treated as an internist in Tarzana, CA were hospital care, inpatient care and outpatient care.

hospital care	734
inpatient care	660
outpatient care	98

Average Medicare Patient Data From 2017 - 2024

Information about Medicare patients treated by Dr. George Ishak, MD.

**Gender**
Female	149
Male	156

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	5
Non-Hispanic White	243
Native American / Alaskan Native	0
Hispanic	31
Other	1

**Age**
75 to 84	108
85 and over	80
Less than 65	25
65 to 74	90

Average of Total of Conditions of Medicare patients treated by Dr. George Ishak, MD From 2017 - 2024

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

Hypertension	75
High Cholesterol	73
Stroke	20
Ischemic Heart Disease	57
Depression	38
Chronic Kidney Disease	57
Asthma	13
Osteoporosis	17
Heart Failure	44
Chronic Obstructive Pulmonary Disease	29
Diabetes	41
Atrial Fibrillation	33
Dementia	24
Cancer	21

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. George Ishak, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Inari Medical, Inc.	$3,798 FLOWTRIEVER CATHETER, S $3,600	CT THROMBECTOMY SYSTEM KIT $198
Otsuka America Pharmaceutical, Inc.	$125 SAMSCA $125
Pfizer Inc.	$122 ELIQUIS $122
Vifor Pharma, Inc.	$119 VELTASSA $119
AstraZeneca Pharmaceuticals LP	$102 FARXIGA $102
Other	$227 KEYTRUDA $100	Impella $31	ENTRESTO $22	VERQUVO $22	LEQVIO $20	Other $32

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$3,600
Food and Beverage	$892

Biography

Dr. George Ishak sees patients in Thousand Oaks, CA, Tarzana, CA, and Daly City, CA. His medical specialty is hospital medicine (hospitalist). Dr. Ishak obtained a license to practice in California.