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Dr. Jamal Julian Zaka, MD

Accepting New Patients

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Specializes in: Adult Pulmonology and Adult Critical Care

St. George's University School of Medicine

130 La Casa Viaduct #208
Walnut Creek, CA 94598

(925) 944-0166

Dr. Jamal Julian Zaka, MD is a pulmonologist in Walnut Creek, CA specializing in adult pulmonology and adult critical care. He graduated from St. George's University School of Medicine. Dr. Jamal Julian Zaka, MD is affiliated with John Muir Health and Hill Physicians.

Office Locations

130 La Casa Viaduct #208
Walnut Creek, CA 94598

(925) 944-0166

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John Muir Health

2161 Ygnacio Valley Road Suite 100
Walnut Creek, CA 94598

(925) 378-5871

(925) 476-2556

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John Muir Health

400 29th Street Suite 208a
Oakland, CA 94609

(341) 234-0072

(341) 232-1324

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Noteworthy Medicare Patient Procedures Performed by Dr. Jamal Julian Zaka, MD in 2023

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

Top 25%

By Volume:

diagnostic sleep study

In 2012, Dr. Jamal Julian Zaka, MD performed more diagnostic (regular) sleep study procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2012 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

doctor visit	191
hospital care	626
inpatient care	626
pulmonary testing	36

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2013 were hospital care, inpatient care, nursing home care and pulmonary testing.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

doctor visit	228
hospital care	483
inpatient care	483
nursing home care	174
pulmonary testing	65

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	149
Female	145

**Ethnicity**
Non-Hispanic White	245
Black	0
Hispanic	16
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	98
85 and over	56
Less than 65	31

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2013

Hypertension	71
High Cholesterol	55
Stroke	12
Ischemic Heart Disease	40
Depression	29
Chronic Kidney Disease	40
Asthma	18
Osteoperosis	14
Atrial Fibrilation	27
Heart Failure	42
Chronic Obstructive Pulmonary Disease	46
Diabetes	30
Dementia	12
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2014 were hospital care, inpatient care, nursing home care and pulmonary testing.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

doctor visit	273
hospital care	464
inpatient care	464
nursing home care	245
pulmonary testing	118

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	153
Female	154

**Ethnicity**
Non-Hispanic White	264
Black	15
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	94
85 and over	69
Less than 65	26

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2014

Hypertension	75
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	43
Asthma	19
Osteoperosis	14
Atrial Fibrilation	26
Heart Failure	46
Chronic Obstructive Pulmonary Disease	45
Diabetes	27
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2015 were hospital care, inpatient care, nursing home care and pulmonary testing.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

doctor visit	407
hospital care	518
inpatient care	518
nursing home care	315
pulmonary testing	162

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	402
Female	394

**Ethnicity**
Non-Hispanic White	678
Black	0
Hispanic	34
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	326
From 75 to 84	260
85 and over	144
Less than 65	66

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2015

Hypertension	72
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	40
Asthma	34
Osteoperosis	13
Atrial Fibrilation	25
Heart Failure	37
Chronic Obstructive Pulmonary Disease	43
Diabetes	30
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2016 were hospital care, inpatient care, nursing home care and pulmonary testing.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

doctor visit	496
hospital care	649
inpatient care	649
nursing home care	367
pulmonary testing	180

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	243
Female	249

**Ethnicity**
Non-Hispanic White	405
Black	22
Hispanic	28
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	172
85 and over	102
Less than 65	37

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	45
Asthma	44
Osteoperosis	14
Atrial Fibrilation	27
Heart Failure	38
Chronic Obstructive Pulmonary Disease	42
Diabetes	30
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2017 were hospital care, inpatient care, pulmonary testing and nursing home care.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

doctor visit	434
hospital care	773
inpatient care	773
nursing home care	137
pulmonary testing	153

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	232
Female	278

**Ethnicity**
Non-Hispanic White	429
Black	19
Hispanic	23
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	177
85 and over	105
Less than 65	44

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2017

Hypertension	73
High Cholesterol	54
Stroke	10
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	47
Asthma	21
Osteoperosis	12
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	42
Diabetes	30
Dementia	18
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2018 were hospital care, inpatient care, pulmonary testing and sleep study.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

airway management	25
doctor visit	276
hospital care	629
inpatient care	629
pulmonary testing	80
sleep study	44

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	252
Female	248

**Ethnicity**
Non-Hispanic White	376
Black	35
Hispanic	39
Asian	38
Other	12
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	173
85 and over	93
Less than 65	63

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	11
Ischemic Heart Disease	42
Depression	38
Chronic Kidney Disease	46
Asthma	21
Osteoperosis	14
Atrial Fibrilation	26
Heart Failure	40
Chronic Obstructive Pulmonary Disease	39
Diabetes	34
Dementia	19
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2019 were hospital care, inpatient care, sleep study and pulmonary testing.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

airway management	79
doctor visit	341
hospital care	378
inpatient care	378
pulmonary testing	145
sleep study	177

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	268
Female	290

**Ethnicity**
Non-Hispanic White	366
Black	73
Hispanic	57
Asian	49
Other	13
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	183
85 and over	71
Less than 65	86

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2019

Hypertension	75
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	44
Asthma	18
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	29
Chronic Obstructive Pulmonary Disease	30
Diabetes	35
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2020 were sleep study, airway management and pulmonary testing.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

airway management	34
doctor visit	287
pulmonary testing	32
sleep study	100

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	133
Female	134

**Ethnicity**
Non-Hispanic White	179
Black	37
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	76
85 and over	21
Less than 65	48

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2020

Hypertension	65
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	31
Depression	28
Chronic Kidney Disease	34
Asthma	18
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2021 were sleep study, pulmonary testing and airway management.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

airway management	31
doctor visit	310
pulmonary testing	40
sleep study	122

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	124
Female	138

**Ethnicity**
Non-Hispanic White	156
Black	41
Hispanic	32
Asian	21
Other	12
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	75
85 and over	23
Less than 65	42

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2021

Hypertension	71
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA during 2022 were sleep study, pulmonary testing and airway management.

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

airway management	38
doctor visit	488
pulmonary testing	65
sleep study	144

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Male	166
Female	160

**Ethnicity**
Non-Hispanic White	203
Black	43
Hispanic	43
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	113
85 and over	23
Less than 65	46

Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	18
Depression	20
Chronic Kidney Disease	21
Asthma	22
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	18
Chronic Obstructive Pulmonary Disease	25
Diabetes	33
Dementia	5
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jamal Julian Zaka, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jamal Julian Zaka, MD treated as a pulmonologist in Walnut Creek, CA were hospital care, inpatient care, nursing home care and sleep study.

airway management	41
doctor visit	339
hospital care	565
inpatient care	565
nursing home care	247
pulmonary testing	97
sleep study	117

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jamal Julian Zaka, MD.

**Gender**
Female	199
Male	192

**Ethnicity**
Black / African American	25
Asian / Pacific Islander	21
Non-Hispanic White	300
Native American / Alaskan Native	0
Hispanic	28
Other	3

**Age**
85 and over	64
75 to 84	129
Less than 65	44
65 to 74	154

Average of Total of Conditions of Medicare patients treated by Dr. Jamal Julian Zaka, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Jamal Julian Zaka, MD treated were hypertension, high cholesterol, chronic kidney disease and chronic obstructive pulmonary disease.

Hypertension	66
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	35
Asthma	21
Osteoporosis	10
Heart Failure	30
Chronic Obstructive Pulmonary Disease	32
Diabetes	28
Atrial Fibrillation	21
Dementia	11
Cancer	14

Education & Training

Dr. Jamal Julian Zaka, MD graduated from St. George's University School of Medicine. He completed residency at Coney Island Hospital. He is certified by the Certification: American Board of IM/Pulmonary Disease and has a state license in Pennsylvania.

Medical School: St. George's University School of Medicine

Residency: Coney Island Hospital

Board Certification: Certification: American Board of IM/Pulmonary Disease

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Jamal Julian Zaka, MD is associated with these hospitals and organizations:

John Muir Health

Hill Physicians

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Jamal Julian Zaka, MD appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, Anthem, UnitedHealthcare, Health Net, Humana, Hill Physicians Care Solutions, Central Health Plan, CCHP Health Plan (Chinese Community Health Plan) and Canopy Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Jamal Julian Zaka, MD accepts the following insurance providers:

Cigna

Aetna

Blue Shield of California

Anthem

UnitedHealthcare

Health Net

Humana

Hill Physicians Care Solutions

Central Health Plan

CCHP Health Plan (Chinese Community Health Plan)

Canopy Health

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General Payments

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

**Payments by Company**
Inspire Medical Systems, Inc.	$222 Inspire $222
GlaxoSmithKline, LLC.	$79 ANORO $56	TRELEGY ELLIPTA $23
Itamar Medical Inc	$70 WatchPATONE $37	WatchPAT $33
Philips Electronics North America Corporation	$52 (8874) InCourage $33	(7999) SRC Und $19
Boehringer Ingelheim Pharmaceuticals, Inc.	$39 SPIRIVA RESPIMAT $24	STIOLTO $15
Other	$167 Esbriet $38	The Vest System Model 105 Home Care $35	Lonhala Magnair $23	Kcentra $20	ResMed $18	Other $33

**Types of Payments**
Food and Beverage	$591
Education	$38

Biography

Dr. J. Zaka, who practices in Walnut Creek, CA and Oakland, CA, is a medical specialist in adult critical care and adult pulmonology. Blue Shield, Health Net, and Anthem seem to be the insurance carriers that Dr. Zaka accepts. He attended medical school at St. George's University School of Medicine. Dr. Zaka's medical residency was performed at Coney Island Hospital. He is professionally affiliated with Hill Physicians and John Muir Medical Center, Walnut Creek. According to John Muir Health, he is currently accepting new patients at his office in Walnut Creek, CA.