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Dr. Greg S. Khounganian, MD

(5 Ratings)

Specializes in: Spine Surgery and Orthopedics/Orthopedic Surgery

University of Southern California (USC), Keck School of Medicine (2003)

Professional interests include: steroid injections, femur (thigh bone) fracture surgery, thoracic spine surgery, and more.

5363 Balboa Boulevard Suite #433
Encino, CA 91316

(818) 343-4430

Dr. Greg S. Khounganian, MD is a spine surgeon in Encino, CA specializing in spine surgery and orthopedics/orthopedic surgery. He graduated from University of Southern California (USC), Keck School of Medicine in 2003 and has 23 years of experience. Dr. Greg S. Khounganian, MD is affiliated with Providence, Valley Presbyterian Hospital , Providence Cedars-Sinai Tarzana Medical Center and GSK Spine.

Office Locations

5363 Balboa Boulevard Suite #433
Encino, CA 91316

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In The News

“Uber, a common target of DTLA, sued the firm and one of the main surgeons used by clients, Greg Khounganian, last summer for racketeering, alleging the firm had "side agreements" with him to...”—"The rise of DTLA: Car crashes, costly surgeries and a $4-billion sex abuse settlement", Los Angeles Times, December 2025

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2012 were spinal procedures, X-rays, hospital care and inpatient care.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

arthrodesis (bone fusion surgery)	13
aspiration	44
bone marrow tests	18
decompression surgery	34
doctor visit	673
hospital care	49
injections	49
inpatient care	49
musculoskeletal imaging	14
nerve procedures	34
pain management	23
spinal procedures	204
X-rays	142

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2013 were spinal procedures, X-rays, aspiration and hospital care.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

aspiration	35
bone marrow tests	20
decompression surgery	25
doctor visit	689
hospital care	27
injections	15
inpatient care	27
nerve procedures	25
pelvic imaging	11
spinal procedures	107
X-rays	93

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	188
Female	269

**Ethnicity**
Non-Hispanic White	383
Black	0
Hispanic	29
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	146
85 and over	81
Less than 65	47

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2013

Hypertension	74
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	18
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	12
Diabetes	37
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2014 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

aspiration	16
bone marrow tests	16
decompression surgery	21
doctor visit	518
hospital care	12
injections	17
inpatient care	12
nerve procedures	21
pain management	17
spinal procedures	166
X-rays	145

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	150
Female	212

**Ethnicity**
Non-Hispanic White	311
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	120
85 and over	56
Less than 65	39

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2014

Hypertension	71
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	17
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2015 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
aspiration	16
bone marrow tests	16
decompression surgery	34
doctor visit	545
hospital care	30
injections	18
inpatient care	30
nerve procedures	34
pain management	18
spinal procedures	149
X-rays	89

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	282
Female	458

**Ethnicity**
Non-Hispanic White	626
Black	22
Hispanic	44
Asian	22
Other	26
Native American	0

**Age**
From 65 to 74	312
From 75 to 84	270
85 and over	94
Less than 65	64

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2015

Hypertension	74
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	46
Depression	31
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	21
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2016 were spinal procedures, X-rays, hospital care and inpatient care.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

aspiration	12
bone marrow tests	12
decompression surgery	43
doctor visit	731
hospital care	50
injections	35
inpatient care	50
nerve procedures	43
pain management	35
spinal procedures	199
X-rays	144

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	190
Female	297

**Ethnicity**
Non-Hispanic White	409
Black	0
Hispanic	33
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	179
85 and over	64
Less than 65	40

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	44
Depression	28
Chronic Kidney Disease	28
Asthma	17
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2017 were spinal procedures, injections, X-rays and aspiration.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

arthrodesis (bone fusion surgery)	16
aspiration	32
bone marrow tests	15
decompression surgery	24
doctor visit	701
hospital care	26
implant surgery	11
injections	41
inpatient care	26
nerve procedures	24
neurostimulator lead placement	11
neurostimulator replacement	11
pain management	24
spinal procedures	119
X-rays	40

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	183
Female	261

**Ethnicity**
Non-Hispanic White	389
Black	0
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	177
85 and over	63
Less than 65	33

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2017

Hypertension	74
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	23
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2018 were spinal procedures, neurostimulator replacement, implant surgery and neurostimulator lead placement.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

decompression surgery	18
doctor visit	622
implant surgery	38
nerve procedures	18
neurostimulator lead placement	37
neurostimulator replacement	38
spinal procedures	93

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	179
Female	235

**Ethnicity**
Non-Hispanic White	341
Black	0
Hispanic	33
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	151
85 and over	52
Less than 65	35

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2018

Hypertension	72
High Cholesterol	68
Stroke	3
Ischemic Heart Disease	40
Depression	29
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	18
Atrial Fibrilation	7
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2019 were spinal procedures, nerve procedures, decompression surgery and neurostimulator lead placement.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	33
doctor visit	466
implant surgery	13
neck surgery	12
nerve procedures	33
neurostimulator lead placement	13
neurostimulator replacement	13
spinal procedures	59

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	149
Female	182

**Ethnicity**
Non-Hispanic White	280
Black	0
Hispanic	24
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	0
85 and over	38
Less than 65	21

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2019

Hypertension	72
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	44
Depression	30
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	14
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	36
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2020 were spinal procedures, neurostimulator lead placement, neurostimulator replacement and implant surgery.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

doctor visit	224
implant surgery	11
neurostimulator lead placement	12
neurostimulator replacement	11
spinal procedures	23

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	76
Female	101

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	0
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	61
85 and over	13
Less than 65	18

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2020

Hypertension	68
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	41
Depression	25
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	34
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA during 2021 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

decompression surgery	17
doctor visit	177
nerve procedures	17
spinal procedures	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	66
Female	83

**Ethnicity**
Non-Hispanic White	127
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2021

Hypertension	72
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	46
Depression	32
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	23
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	48
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

doctor visit	22

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	17
Female	20

**Age**
From 65 to 74	19
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD in 2023

Hypertension	65
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

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Greg S. Khounganian, MD for Medicare patients.

The highest averages for the top procedures that Dr. Greg S. Khounganian, MD treated as a spine surgeon in Encino, CA were spinal procedures, X-rays, inpatient care and hospital care.

arthrodesis (bone fusion surgery)	13
aspiration	25
bone marrow tests	16
decompression surgery	27
doctor visit	488
hospital care	32
implant surgery	18
injections	29
inpatient care	32
musculoskeletal imaging	14
neck surgery	12
nerve procedures	27
neurostimulator lead placement	18
neurostimulator replacement	18
pain management	23
pelvic imaging	11
spinal procedures	113
X-rays	108

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Greg S. Khounganian, MD.

**Gender**
Male	123
Female	176

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	9
Non-Hispanic White	251
Hispanic	18
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	95
85 and over	38
Less than 65	24
65 to 74	128

Average of Total of Conditions of Medicare patients treated by Dr. Greg S. Khounganian, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Greg S. Khounganian, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	66
High Cholesterol	63
Stroke	2
Ischemic Heart Disease	37
Depression	24
Chronic Kidney Disease	21
Asthma	7
Osteoporosis	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Atrial Fibrillation	6
Cancer	8
Dementia	6

Education & Training

Dr. Greg S. Khounganian, MD graduated from University of Southern California (USC), Keck School of Medicine in 2003. He completed residency at SUNY Downstate Medical Center and Affiliated Hospitals. He is certified by the spine surgery that emphasizes minimally invasive techniques and has a state license in California.

Medical School: University of Southern California (USC), Keck School of Medicine (2003)

Residency: SUNY Downstate Medical Center and Affiliated Hospitals (2008)

Board Certification: spine surgery that emphasizes minimally invasive techniques

Licensed In: California

Affiliations & Hospitals

Dr. Greg S. Khounganian, MD is associated with these hospitals and organizations:

Providence

Valley Presbyterian Hospital

Providence Cedars-Sinai Tarzana Medical Center

GSK Spine

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. Greg S. Khounganian, MD appears to accept the following insurance providers: Humana Medicare Advantage, Anthem Blue Cross HMO, Aetna HMO, Medicare Advantage, CIGNA HMO, Anthem, Blue Shield of California and United Healthcare HMO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Greg S. Khounganian, MD accepts the following insurance providers:

Humana Medicare Advantage

Anthem Blue Cross HMO

Aetna HMO

Medicare Advantage

CIGNA HMO

Anthem

Blue Shield of California

United Healthcare HMO

Ratings & Reviews

Dr. Greg S. Khounganian, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Greg S. Khounganian, MD from all over the web to help you find the right in Encino, CA.

Overall Rating

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General Payments

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

**Payments by Company**
DePuy Synthes Products, Inc.	$1,052,447 Fibulink $75,062	$977,385
Kyocera Medical Technologies, Inc.	$15,085 $15,085
Medtronic USA, Inc.	$4,231 Spinal Cord Neurostimulation - Neuro $2,118	ADAPTIVESTIM $736	INTELLIS $658	TARGETSTIM $630	KYPHON Balloon Kyphoplasty $89
Abbott Laboratories	$4,083 Penta SCS Leads $1,410	Proclaim Family of SCS IPGs $909	SCS leads $655	SCS IPGs $446	Neuromodulation Dspsbls and Accs $396	Other $268
Centinel Spine, LLC	$2,203 PRODISC C $1,186	STALIF C-Ti $429	PRODISC L $257	ALTOS $180	PRODISC C VIVO $130	Other $22
Other	$10,201 Blazer Vertebral Augmentation Kit $2,015	Senza Spinal Cord Stimulation System $981	Other - Miscellaneous $780	Arsenal $762	Prodigy and Prodigy MRI $382	Other $5,280

**Types of Payments**
Acquisitions	$1,052,447
Food and Beverage	$19,681
Consulting Fee	$13,650
Travel and Lodging	$2,273
Gift	$200

Ownership and Interest Payments

This table describes ownership payments received by Dr. Greg S. Khounganian, MD.

Prosidyan, Inc	2021	$383,335.00	Physician Covered Recipient	Traditional pro rata ownership interest; no special terms
Prosidyan, Inc	2020	$383,335.00	Physician Covered Recipient	Traditional pro rata ownership interest; no special terms
Prosidyan, Inc	2018	$383,335.00	Physician Covered Recipient	Traditional pro rata ownership interest; no special terms
Prosidyan, Inc	2017	$306,668.00	Physician Covered Recipient	Traditional pro rata ownership interest; no special terms
Prosidyan, Inc	2016	$306,668.00	Physician Covered Recipient	Traditional pro rata ownership interest; no special terms
Prosidyan, Inc	2014	$230,001.00	Physician Covered Recipient	Traditional pro rata ownership interest; no special terms
Prosidyan, Inc	2015	$230,001.00	Physician Covered Recipient	Traditional pro rata ownership interest; no special terms

Biography

Dr. Greg Khounganian's specialties are spine surgery and orthopedics/orthopedic surgery. After attending the University of Southern California (USC), Keck School of Medicine, he completed his residency training at a hospital affiliated with SUNY Downstate Medical Center. Areas of expertise for Dr. Khounganian include frozen shoulder, knee arthritis, and arm fracture. Patients rated Dr. Khounganian highly, giving him an average of 5.0 stars (out of 5). He takes United Healthcare HMO, Anthem, and Blue California, in addition to other insurance carriers. Awards and/or distinctions he has received include Southern California Super Doctors and Southern California Rising Stars. In addition to English, Dr. Khounganian (or staff) speaks Spanish and Armenian. Dr. Khounganian is professionally affiliated with Valley Presbyterian Hospital and Providence.