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Home > CA Providers > Surgical Oncologists

Dr. Gregory Michael Senofsky, MD

Accepting New Patients

(10 Ratings)

Specializes in: General Surgery and Surgical Oncology (Cancer Surgery)

Baylor College of Medicine (1979)

Professional interests include: breast cancer surgery, breast cancer, colorectal surgery procedures, and more.

23929 Mcbean Parkway Suite 110
Santa Clarita, CA 91355

(661) 255-9287

Dr. Gregory Michael Senofsky, MD is a general surgeon in Santa Clarita, CA specializing in general surgery and surgical oncology (cancer surgery). He graduated from Baylor College of Medicine in 1979 and has 46 years of experience. Dr. Gregory Michael Senofsky, MD is affiliated with UCLA Health, Ronald Reagan UCLA Medical Center and THE REGENTS OF THE UNIVERSITY OF CALIFORNIA.

Office Locations

Address:

23929 Mcbean Parkway Suite 110
Santa Clarita, CA 91355

Address:

27235 Tourney Road Suite 2400
Santa Clarita, CA 91355

Address:

27235 Tourney Road Suite 2400
Valencia, CA 91355

Address:

5363 Balboa Boulevard
Encino, CA 91316

In The News

“Dr. Gregory Senofsky, a surgical oncologist at The Breast Center in Van Nuys, and a member of the board of directors of the San Fernando Valley American Cancer Society, said the men he has treated...”—"Men Are Not Immune : The average male with breast cancer is between the ages of 50 and 65--10 years older than the average woman--and typically, the disease is well advanced.", Los Angeles Times, August 2024

“"My colleagues and I continue to push the boundaries of excellence in breast cancer care," said Dr. Greg Senofsky, a breast and melanoma surgical oncologist at UCLA Health.”—"Relay for Life returns to Santa Clarita for its 21st year", Santa Clarita Valley Signal, May 2019

“Whether or not a woman decides to under go a double, or contralateral, mastectomy depends on a number of factors, said Dr. Gregory Senofsky, breast cancer surgeon and assistant director of the...”—"Giuliana Rancic's planned double mastectomy: What it means", Los Angeles Times, December 2011

breast procedures	45
cancer surgery	46
dissection	18
doctor visit	365
excision	44
lymph node procedures	48

**Gender**
Male	21
Female	188

**Ethnicity**
Non-Hispanic White	171
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	63
85 and over	16
Less than 65	21

Hypertension	58
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	7
Cancer	66

breast procedures	15
cancer surgery	16
dissection	19
doctor visit	420
excision	14
lymph node procedures	43

**Gender**
Male	27
Female	222

**Ethnicity**
Non-Hispanic White	207
Black	0
Hispanic	16
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	70
85 and over	15
Less than 65	20

Hypertension	60
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	13
Atrial Fibrilation	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	6
Cancer	61

breast procedures	58
cancer surgery	59
dissection	27
doctor visit	467
excision	57
lymph node procedures	68

**Gender**
Male	50
Female	506

**Ethnicity**
Non-Hispanic White	452
Black	26
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	150
85 and over	34
Less than 65	64

Hypertension	63
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	14
Asthma	9
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	6
Cancer	68

breast procedures	64
cancer surgery	52
diagnostic procedures	11
dissection	25
doctor visit	506
excision	63
lymph node procedures	60
open surgery	11
plastic surgery procedures	18
reconstructive surgery	18
tissue transfer	18
wound repair (e.g. stitches)	18

**Gender**
Male	29
Female	249

**Ethnicity**
Non-Hispanic White	228
Black	0
Hispanic	20
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	73
85 and over	13
Less than 65	32

Hypertension	63
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	19
Asthma	16
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	5
Cancer	65

breast procedures	79
cancer surgery	64
diagnostic procedures	14
dissection	19
doctor visit	564
excision	78
lymph node procedures	56
open surgery	14
plastic surgery procedures	18
reconstructive surgery	18
tissue transfer	18
wound repair (e.g. stitches)	18

**Gender**
Male	34
Female	302

**Ethnicity**
Non-Hispanic White	276
Black	0
Hispanic	22
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	101
85 and over	28
Less than 65	23

Hypertension	63
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	18
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	4
Cancer	59

breast procedures	71
cancer surgery	55
diagnostic procedures	62
doctor visit	540
excision	117
lymph node procedures	96
open surgery	62
plastic surgery procedures	17
reconstructive surgery	17
tissue transfer	17
wound repair (e.g. stitches)	17

**Gender**
Male	24
Female	312

**Ethnicity**
Non-Hispanic White	272
Black	11
Hispanic	27
Asian	14
Other	12
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	94
85 and over	29
Less than 65	29

Hypertension	63
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	19
Atrial Fibrilation	5
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	7
Cancer	63

breast procedures	58
cancer surgery	47
diagnostic procedures	48
doctor visit	523
excision	95
lymph node procedures	82
open surgery	48
plastic surgery procedures	17
reconstructive surgery	17
tissue transfer	17
wound repair (e.g. stitches)	17

**Gender**
Male	35
Female	312

**Ethnicity**
Non-Hispanic White	272
Black	0
Hispanic	26
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	197
From 75 to 84	104
85 and over	21
Less than 65	25

Hypertension	65
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	19
Asthma	10
Osteoperosis	21
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	9
Cancer	61

breast procedures	35
cancer surgery	36
diagnostic procedures	24
doctor visit	491
excision	60
lymph node procedures	51
open surgery	24
plastic surgery procedures	19
reconstructive surgery	19
tissue transfer	19
wound repair (e.g. stitches)	19

**Gender**
Male	35
Female	296

**Ethnicity**
Non-Hispanic White	263
Black	13
Hispanic	23
Asian	20
Other	12
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	91
85 and over	18
Less than 65	20

Hypertension	58
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	20
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	8
Cancer	64

breast procedures	71
cancer surgery	72
diagnostic procedures	51
doctor visit	956
excision	123
lymph node procedures	121
open surgery	51
plastic surgery procedures	36
reconstructive surgery	36
tissue transfer	36
wound repair (e.g. stitches)	36

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Gregory Michael Senofsky, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory Michael Senofsky, MD treated as a general surgeon in Santa Clarita, CA were excision, lymph node procedures, breast procedures and cancer surgery.

breast procedures	57
cancer surgery	51
diagnostic procedures	35
dissection	21
doctor visit	538
excision	75
lymph node procedures	70
open surgery	35
plastic surgery procedures	20
reconstructive surgery	20
tissue transfer	20
wound repair (e.g. stitches)	20

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Gregory Michael Senofsky, MD.

**Gender**
Female	238
Male	25

**Ethnicity**
Black / African American	5
Asian / Pacific Islander	7
Non-Hispanic White	214
Native American / Alaskan Native	0
Hispanic	18
Other	5

**Age**
85 and over	17
75 to 84	74
Less than 65	23
65 to 74	148

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Michael Senofsky, MD From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Gregory Michael Senofsky, MD treated were cancer, hypertension, high cholesterol and diabetes.

Hypertension	49
High Cholesterol	46
Stroke	3
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	14
Asthma	8
Osteoporosis	13
Heart Failure	8
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Atrial Fibrillation	5
Cancer	50
Dementia	5

Education & Training

Dr. Gregory Michael Senofsky, MD graduated from Baylor College of Medicine in 1979. He completed residency at University of California, San Diego (UCSD) Affiliated Hospitals. He has a state license in California.

Medical School: Baylor College of Medicine (1979)

Residency: University of California, San Diego (UCSD) Affiliated Hospitals (1990)

Licensed In: California

Affiliations & Hospitals

Dr. Gregory Michael Senofsky, MD is associated with these hospitals and organizations:

UCLA Health

Ronald Reagan UCLA Medical Center

THE REGENTS OF THE UNIVERSITY OF 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. Gregory Michael Senofsky, MD appears to accept the following insurance providers: TRICARE, Private Healthcare Systems (PHCS), Cigna, Aetna, Blue Shield of California, MultiPlan, UnitedHealthcare, Anthem, Medicare Advantage, Prime Health, First Health, HealthSmart, Centivo, Health Net of California, UFCM Health System and L.A. Care.

Insurance Accepted by Provider includes:

According to our sources, Dr. Gregory Michael Senofsky, MD accepts the following insurance providers:

TRICARE

Private Healthcare Systems (PHCS)

Cigna

Aetna

Blue Shield of California

MultiPlan

UnitedHealthcare

Anthem

Medicare Advantage

Prime Health

First Health

HealthSmart

Centivo

Health Net of California

UFCM Health System

L.A. Care

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Ratings & Reviews

Dr. Gregory Michael Senofsky, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 10 ratings. We collect ratings and reviews of Dr. Gregory Michael Senofsky, MD from all over the web to help you find the right in Santa Clarita, CA.

Overall Rating

(10 Ratings)

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General Payments

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

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$194 OPDIVO $153	YERVOY $41
Allergan Inc.	$134 AlloDerm $134
Genentech USA, Inc.	$17 Perjeta $17
Janssen Pharmaceuticals, Inc	$16 INVEGA TRINZA $16
Baxter Healthcare	$12 BioSurgery - TISSEEL $12
Other	$11 ENTRE $11

**Types of Payments**
Food and Beverage	$385

Biography

Dr. Gregory Senofsky is a general surgery and surgical oncology (cancer surgery) specialist in Santa Clarita, CA, Encino, CA, and Valencia, CA. He is rated 5.0 stars (out of 5) by his patients. Areas of expertise for Dr. Senofsky include colorectal surgery procedures, breast cancer surgery, and breast cancer. He is affiliated with Ronald Reagan UCLA Medical Center. Dr. Senofsky can accept Anthem, UnitedHealthcare, and Blue California, as well as other insurance carriers. His practice in Valencia, CA is open to new patients as reported by UCLA Health. He attended medical school at Baylor College of Medicine. He trained at a hospital affiliated with the University of California, San Diego (UCSD) for his residency. He has received distinctions including Super Doctors Southern California and Super doctors, Southern California. In addition to English, Dr. Senofsky speaks Spanish.