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Dr. Gregory A. Abrahamian, MD

Accepting New Patients
(Dr. Gregory Abrahamian, MD)
Specializes in: General Surgery and Transplant Surgery
University of Texas Health Science Center at San Antonio, School of Medicine (1992)
Professional interests include: kidney failure, polycystic kidney disease, liver transplant, and more.
4502 Medical Drive Transplant Clinic, Rio Tower, Level 2
San Antonio, TX 78229

Dr. Gregory A. Abrahamian, MD is a general surgeon in San Antonio, TX specializing in general surgery and transplant surgery. This provider graduated from University of Texas Health Science Center at San Antonio, School of Medicine in 1992 and has 34 years of experience. Dr. Gregory A. Abrahamian, MD is affiliated with UT Health San Antonio, University Health and THE UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO.

View Doctor's Full Profile (210) 743-4306

Office Locations

University Health

4502 Medical Drive Transplant Clinic, Rio Tower, Level 2
San Antonio, TX 78229
(210) 743-4306
open_in_new
7979 Wurzbach Road Suite 219
San Antonio, TX 78229
(210) 743-4306
(210) 702-4233
open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2012 were urologic procedures, transplant procedures, abdominal surgery and open surgery.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 26
doctor visit 15
open surgery 18
stent placement (stenting) 18
transplant procedures 26
urologic procedures 44

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2013 were urologic procedures, transplant procedures, abdominal surgery and open surgery.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 35
doctor visit 19
open surgery 34
stent placement (stenting) 34
transplant procedures 35
urologic procedures 69

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 50
Female 34
Ethnicity
Non-Hispanic White 24
Black 0
Hispanic 47
Asian 0
Other 0
Native American 0
Age
From 65 to 74 12
From 75 to 84 0
85 and over 0
Less than 65 72

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2013

Hypertension 75
High Cholesterol 49
Stroke 0
Ischemic Heart Disease 35
Depression 20
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 25
Chronic Obstructive Pulmonary Disease 0
Diabetes 56
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2014 were urologic procedures, transplant procedures, abdominal surgery and open surgery.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 28
doctor visit 25
open surgery 20
stent placement (stenting) 20
transplant procedures 28
urologic procedures 48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 44
Female 40
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 55
Asian 0
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 0
85 and over 0
Less than 65 63

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2014

Hypertension 75
High Cholesterol 52
Stroke 0
Ischemic Heart Disease 48
Depression 24
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 32
Chronic Obstructive Pulmonary Disease 0
Diabetes 67
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2015 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 29
doctor visit 11
transplant procedures 29
urologic procedures 29

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 78
Female 90
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 102
Asian 0
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 0
85 and over 0
Less than 65 126

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2015

Hypertension 75
High Cholesterol 49
Stroke 0
Ischemic Heart Disease 43
Depression 38
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 33
Chronic Obstructive Pulmonary Disease 0
Diabetes 58
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2016 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 23
doctor visit 93
transplant procedures 23
urologic procedures 23

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 73
Female 52
Ethnicity
Non-Hispanic White 40
Black 0
Hispanic 74
Asian 0
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 0
85 and over 0
Less than 65 79

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2016

Hypertension 75
High Cholesterol 57
Stroke 0
Ischemic Heart Disease 50
Depression 22
Chronic Kidney Disease 75
Asthma 13
Osteoperosis 0
Atrial Fibrilation 9
Heart Failure 24
Chronic Obstructive Pulmonary Disease 0
Diabetes 57
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2017 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 15
transplant procedures 15
urologic procedures 15

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 23
Female 19
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 27
Asian 0
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 0
85 and over 0
Less than 65 30

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2017

Hypertension 75
High Cholesterol 43
Stroke 0
Ischemic Heart Disease 29
Depression 33
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 52
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2018 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 21
transplant procedures 21
urologic procedures 21

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 43
Female 18
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 33
Asian 0
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 0
85 and over 0
Less than 65 43

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2018

Hypertension 75
High Cholesterol 54
Stroke 0
Ischemic Heart Disease 46
Depression 28
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 23
Chronic Obstructive Pulmonary Disease 0
Diabetes 49
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2019 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 34
transplant procedures 34
urologic procedures 34

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 38
Female 15
Ethnicity
Non-Hispanic White 15
Black 0
Hispanic 26
Asian 0
Other 0
Native American 0
Age
From 65 to 74 14
From 75 to 84 0
85 and over 0
Less than 65 39

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2019

Hypertension 75
High Cholesterol 74
Stroke 0
Ischemic Heart Disease 38
Depression 26
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 36
Chronic Obstructive Pulmonary Disease 0
Diabetes 75
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2020 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 17
transplant procedures 17
urologic procedures 17

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 24
Female 21
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 22
Asian 0
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 0
85 and over 0
Less than 65 30

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2020

Hypertension 75
High Cholesterol 58
Stroke 0
Ischemic Heart Disease 44
Depression 27
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 38
Chronic Obstructive Pulmonary Disease 0
Diabetes 60
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2021 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 23
transplant procedures 23
urologic procedures 23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 21
Female 17
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 23
Asian 0
Other 0
Native American 0

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2021

Hypertension 75
High Cholesterol 68
Stroke 0
Ischemic Heart Disease 34
Depression 0
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 63
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX during 2022 were transplant procedures, abdominal surgery and urologic procedures.

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

abdominal surgery 20
transplant procedures 20
urologic procedures 20

Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD in 2022

Hypertension 75
High Cholesterol 66
Stroke 0
Ischemic Heart Disease 44
Depression 0
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 72
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory A. Abrahamian, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory A. Abrahamian, MD treated as a general surgeon in San Antonio, TX were urologic procedures, transplant procedures, open surgery and abdominal surgery.

abdominal surgery 24
doctor visit 32
open surgery 24
stent placement (stenting) 24
transplant procedures 24
urologic procedures 31

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory A. Abrahamian, MD.

Gender
Male 35
Female 27
Ethnicity
Black / African American 0
Asian / Pacific Islander 0
Non-Hispanic White 7
Hispanic 37
Native American / Alaskan Native 0
Other 0
Age
75 to 84 0
85 and over 0
Less than 65 43
65 to 74 2

Average of Total of Conditions of Medicare patients treated by Dr. Gregory A. Abrahamian, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory A. Abrahamian, MD treated were chronic kidney disease, hypertension, diabetes and high cholesterol.

Hypertension 68
High Cholesterol 51
Stroke 0
Ischemic Heart Disease 37
Depression 19
Chronic Kidney Disease 68
Asthma 1
Osteoporosis 0
Heart Failure 19
Chronic Obstructive Pulmonary Disease 0
Diabetes 55
Atrial Fibrillation 0
Cancer 0
Dementia 0

Education & Training

Dr. Gregory A. Abrahamian, MD graduated from University of Texas Health Science Center at San Antonio, School of Medicine in 1992. This provider completed residency at Wilford Hall Medical Center. This provider is certified by the American Board of Surgery and has a state license in Texas.

Medical School: University of Texas Health Science Center at San Antonio, School of Medicine (1992)

Residency: Wilford Hall Medical Center (1997)

Board Certification: American Board of Surgery

Licensed In: Texas

Affiliations & Hospitals

Dr. Gregory A. Abrahamian, MD is associated with these hospitals and organizations:

UT Health San Antonio
University Health
THE UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO

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 A. Abrahamian, MD appears to accept the following insurance providers: MultiPlan, Prime Health, United Healthcare HMO, United Healthcare EPO, Blue Choice, Galaxy Health Network, Coventry, Blue California, Trustmark , WellCare Medicare Advantage, BlueCross BlueShield of Texas, AARP, Medicare Advantage, TriWest, HealthSpring, United Healthcare, Three Rivers, Medicaid, Humana, Cigna, Molina Healthcare, First Health, WellPoint, Employers Health Network, HealthSmart, Superior Health Plan, Independent Medical Systems - Commercial (PPO), Administrative Concepts - Third Party Administrator, Kempton Group Administrators - Third Party Administrator, CHAMPVA - Governmental, Zelis - Third Party Administrator, Century Healthcare - Third Party Administrator, El Paso Health - CHIP, Key Benefits Administrators - Third Party Administrator, OptumHealth - Transplant Network, 6 Degrees - Transplant, Oscar - Commercial Exchange, Imperial Health - Commercial (Exchange), Provider Network of America - Commercial (All Products), Entrust - Third Party Administrator, SANA Benefits - Commercial (All Products), HMA LLC - Third Party Administrator, Aetna Health - Commercial (HMO, Managed Choice POS, Meritain, Open Choice PPO), Allied Benefit Systems - Third Party Administrator, Velocity National Provider Network - Commercial (Multiple Payers), Universal Benefits Consortium (Allegiance) - Direct Contract with TPA/Broker for select ISDs, Private Healthcare Systems - Commercial (All Products), Aetna Health - Commercial (QPOS, SAISD, Select), Injury Management Organization - Workers Compensation, Benefit Administrative Systems - Third Party Administrator, Tokio Marine - Transplant Network, Group and Pension Administrators - Third Party Administrator, EBSO Benefits - Third Party Administrator, Aetna Health - Commercial (Choice POS II, Elect Choice EPO, Exchange (Silver/Gold HMO)), Allegiance - Universal Benefits Consortium, Interlink - Transplant Network, Independent Medical Systems - Workers Compensation, Lucent Health - Third Party Administrator, Imagine 360 - Third Party Administrator, Curative - Commercial (All Products), Aetna Health - Transplant ONLY, Insurance Accepted, Veterans Administration - Governmental, Velocity National Provider Network - Commercial (PPO), Ancira Enterprises - Direct Employer, WebTPA - Third Party Administrator, International Benefits Administrators - Third Party Administrator, Gilsbar - Third Party Administrator, University of Incarnate Word - Direct Contact with Employer, Scott & White Health Plan - Commercial (Exchange, HMO, PPO), LifeTrac - Transplant Network, 90 Degree Benefits - Third Party Administrator, Point Comfort Underwriters - Refugee Medical Assistance (Adults, Children) and Aetna Better Health - CHIP/CHIP Perinate Newborn.

Insurance Accepted by Provider includes:

According to our sources, Dr. Gregory A. Abrahamian, MD accepts the following insurance providers:

MultiPlan
Prime Health
United Healthcare HMO
United Healthcare EPO
Blue Choice
Galaxy Health Network
Coventry
Blue California
Trustmark
WellCare Medicare Advantage
BlueCross BlueShield of Texas
AARP
Medicare Advantage
TriWest
HealthSpring
United Healthcare
Three Rivers
Medicaid
Humana
Cigna
Molina Healthcare
First Health
WellPoint
Employers Health Network
HealthSmart
Superior Health Plan
Independent Medical Systems - Commercial (PPO)
Administrative Concepts - Third Party Administrator
Kempton Group Administrators - Third Party Administrator
CHAMPVA - Governmental
Zelis - Third Party Administrator
Century Healthcare - Third Party Administrator
El Paso Health - CHIP
Key Benefits Administrators - Third Party Administrator
OptumHealth - Transplant Network
6 Degrees - Transplant
Oscar - Commercial Exchange
Imperial Health - Commercial (Exchange)
Provider Network of America - Commercial (All Products)
Entrust - Third Party Administrator
SANA Benefits - Commercial (All Products)
HMA LLC - Third Party Administrator
Aetna Health - Commercial (HMO, Managed Choice POS, Meritain, Open Choice PPO)
Allied Benefit Systems - Third Party Administrator
Velocity National Provider Network - Commercial (Multiple Payers)
Universal Benefits Consortium (Allegiance) - Direct Contract with TPA/Broker for select ISDs
Private Healthcare Systems - Commercial (All Products)
Aetna Health - Commercial (QPOS, SAISD, Select)
Injury Management Organization - Workers Compensation
Benefit Administrative Systems - Third Party Administrator
Tokio Marine - Transplant Network
Group and Pension Administrators - Third Party Administrator
EBSO Benefits - Third Party Administrator
Aetna Health - Commercial (Choice POS II, Elect Choice EPO, Exchange (Silver/Gold HMO))
Allegiance - Universal Benefits Consortium
Interlink - Transplant Network
Independent Medical Systems - Workers Compensation
Lucent Health - Third Party Administrator
Imagine 360 - Third Party Administrator
Curative - Commercial (All Products)
Aetna Health - Transplant ONLY
Insurance Accepted
Veterans Administration - Governmental
Velocity National Provider Network - Commercial (PPO)
Ancira Enterprises - Direct Employer
WebTPA - Third Party Administrator
International Benefits Administrators - Third Party Administrator
Gilsbar - Third Party Administrator
University of Incarnate Word - Direct Contact with Employer
Scott & White Health Plan - Commercial (Exchange, HMO, PPO)
LifeTrac - Transplant Network
90 Degree Benefits - Third Party Administrator
Point Comfort Underwriters - Refugee Medical Assistance (Adults, Children)
Aetna Better Health - CHIP/CHIP Perinate Newborn

Ratings & Reviews

Dr. Gregory A. Abrahamian, MD has an exceptional overall rating with an average of 4.75 out of 5 stars based on 8 ratings. We collect ratings and reviews of Dr. Gregory A. Abrahamian, MD from all over the web to help you find the right in San Antonio, TX. 

4.75
Overall Rating
Leave a Review

General Payments

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

Payments by Company
Baxter Healthcare $64 PREVELEAK
$36 		TACHOSIL
$28
Ethicon US, LLC $34 ECHELON FLEX Stapler
$34
Biocompatibles, Inc. $20 THERASPHERE - BIO
$20
Astellas Pharma US Inc $16 Astagraf
$16
Types of Payments
Food and Beverage $134

Biography

Dr. Gregory Abrahamian's medical specialty is general surgery and transplant surgery. These areas are among Dr. Abrahamian's clinical interests: portal hypertension, polycystic kidney disease, and liver tumor. Dr. Abrahamian's patients gave Dr. Abrahamian an average rating of 4.5 stars (out of 5). Trustmark, Blue California, and Coventry are among the insurance carriers that Dr. Abrahamian honors. Dr. Abrahamian attended the University of Texas Health Science Center at San Antonio, School of Medicine and subsequently trained at Wilford Hall Medical Center for residency. Dr. Abrahamian has received professional recognition including the following: Texas Super Doctors and Joan Wish Endowed Professorship in Transplant Surgery. Dr. Abrahamian speaks Spanish. Dr. Abrahamian is affiliated with UT Health San Antonio and the University Health. According to UT Health San Antonio, new patients are welcome to contact Dr. Abrahamian's office in San Antonio, TX.

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