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Home > CA Providers > Neurosurgeons

Dr. John Peter Gruen, MD

(No ratings)

Specializes in: Neurosurgery

Columbia University, College of Physicians and Surgeons (1986)

1751 Foothill Boulevard Suite 2
La Canada Flintridge, CA 91011

(818) 952-2171

Dr. John Peter Gruen, MD is a neurosurgeon in Los Angeles, CA specializing in neurosurgery. He graduated from Columbia University, College of Physicians and Surgeons in 1986 and has 40 years of experience. Dr. John Peter Gruen, MD is affiliated with Keck Medicine of USC.

Office Locations

1441 Eastlake Avenue
Los Angeles, CA 90033

1-800-872-2273

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1520 San Pablo Street Hc2 Suite 3800
Los Angeles, CA 90033

(323) 442-5720

open_in_new

1751 Foothill Boulevard Suite 2
La Canada Flintridge, CA 91011

(818) 952-2171

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. John Peter Gruen, MD for Medicare patients.

doctor visit	28

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. John Peter Gruen, MD for Medicare patients.

doctor visit	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter Gruen, MD.

**Gender**
Male	14
Female	14

**Age**
From 65 to 74	11
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Peter Gruen, MD in 2013

Hypertension	61
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	54
Depression	46
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John Peter Gruen, MD in 2014

Hypertension	70
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. John Peter Gruen, MD for Medicare patients.

doctor visit	11

Conditions of Medicare patients treated by Dr. John Peter Gruen, MD in 2015

Hypertension	64
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John Peter Gruen, MD in 2016

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John Peter Gruen, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Peter Gruen, MD.

**Ethnicity**
Non-Hispanic White	11
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Dr. John Peter Gruen, MD in 2018

Hypertension	75
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	48
Depression	44
Chronic Kidney Disease	48
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2018

Volume of procedures performed by Dr. John Peter Gruen, MD for Medicare patients.

doctor visit	17

Average Medicare Patient Data From 2012 - 2018

Information about Medicare patients treated by Dr. John Peter Gruen, MD.

**Gender**
Male	2
Female	2

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

**Age**
75 to 84	0
85 and over	0
Less than 65	0
65 to 74	1

Average of Total of Conditions of Medicare patients treated by Dr. John Peter Gruen, MD From 2012 - 2018

The highest averages of the most common conditions of Medicare patients that Dr. John Peter Gruen, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	60
High Cholesterol	24
Stroke	0
Ischemic Heart Disease	14
Depression	12
Chronic Kidney Disease	6
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

Dr. John Peter Gruen, MD graduated from Columbia University, College of Physicians and Surgeons in 1986. He completed residency at Los Angeles County+USC Medical Center. He has a state license in California.

Medical School: Columbia University, College of Physicians and Surgeons (1986)

Residency: Los Angeles County+USC Medical Center (1993)

Licensed In: California

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. John Peter Gruen, MD appears to accept the following insurance providers: Humana ChoiceCare Network, Great-West Healthcare, Blue Shield of California, MultiPlan, TriWest, Interplan, United Healthcare, Aetna, Medicare, Coventry, Cigna, GEHA, Anthem, First Health, Private Healthcare Systems (PHCS), Beech Street, Health Net, PacifiCare, Brand New Day, Marian Health Services, Watchtower, Health Net Covered California, Kern Health Systems, Laundry and Dry Cleaning Workers Health & Welfare, USC Network, Take Care (GUAM), Union Roofers Health & Welfare Fund, Blue Shield Covered California, Presbyterian Intercommunity Hospital, NEXT and Health Plans of Nevada.

Insurance Accepted by Provider includes:

According to our sources, Dr. John Peter Gruen, MD accepts the following insurance providers:

Humana ChoiceCare Network

Great-West Healthcare

Blue Shield of California

MultiPlan

TriWest

Interplan

United Healthcare

Aetna

Medicare

Coventry

Cigna

GEHA

Anthem

First Health

Private Healthcare Systems (PHCS)

Beech Street

Health Net

PacifiCare

Brand New Day

Marian Health Services

Watchtower

Health Net Covered California

Kern Health Systems

Laundry and Dry Cleaning Workers Health & Welfare

USC Network

Take Care (GUAM)

Union Roofers Health & Welfare Fund

Blue Shield Covered California

Presbyterian Intercommunity Hospital

Health Plans of Nevada

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General Payments

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

**Payments by Company**
Stryker Corporation	$279 Neuro Fixation $149	UNIVERSAL NEURO 3 $66	Custom Implants $65
Medtronic, Inc.	$260 CLYDESDALE PTC SPINAL SYSTEM $260
Covidien LP	$202 Nellcor $202
Ceribell, Inc.	$160 $160
Osteomed LLC	$141 CMF-Other $120	Neuro-Osteomatch $21
Other	$631 ANDEXXA $158	XARELTO $122	NUVIGIL $101	Quantra QPlus System $84	Biosurgicals $44	Other $122

**Types of Payments**
Food and Beverage	$1,471
Travel and Lodging	$202

Biography

Dr. John Gruen's medical specialty is neurosurgery. His education and training includes medical school at Columbia University, College of Physicians and Surgeons and residency at Los Angeles County+USC Medical Center. He accepts Anthem, PacifiCare, Blue Cross/Blue Shield, and more. Dr. Gruen has received the following distinction: Southern California Super Doctors. In addition to English, Dr. Gruen (or staff) speaks Mandarin and Spanish. He is affiliated with Keck Medicine of USC.