Gregory Abrahamian, MD - Medicare General Surgery in San Antonio, TX

Gregory Abrahamian, MD is a medicare enrolled "Transplant Surgery" physician in San Antonio, Texas. He went to University Of Texas Medical School At San Antonio and graduated in 1992 and has 32 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice University Of Texas Health Science Center At San Antonio and his current practice location is 7979 Wurzbach Rd Ste 219, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 743-4306.

Gregory Abrahamian is licensed to practice in Texas (license number J5132) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1841201365.

Contact Information

Gregory Abrahamian, MD
7979 Wurzbach Rd Ste 219,
San Antonio, TX 78229-4427
(210) 743-4306
(210) 702-4233

Map and Direction




Physician's Profile

Full NameGregory Abrahamian
GenderMale
SpecialityGeneral Surgery
Experience32 Years
Location7979 Wurzbach Rd Ste 219, San Antonio, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory Abrahamian attended and graduated from University Of Texas Medical School At San Antonio in 1992
  NPI Data:
  • NPI Number: 1841201365
  • Provider Enumeration Date: 08/10/2006
  • Last Update Date: 03/30/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0749337269
  • Enrollment ID: I20090420000409

Medical Identifiers

Medical identifiers for Gregory Abrahamian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841201365NPI-NPPES
47376101MedicaidTX
047376102OtherCIDC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery J5132 (Texas)Secondary
204F00000XTransplant Surgery J5132 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Health SystemSan antonio, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Texas Health Science Center At San Antonio00421285481070

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gregory Abrahamian allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Texas Health Science Center At San Antonio
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720051717
PECOS PAC ID: 0042128548
Enrollment ID: O20040607000664

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gregory Abrahamian is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregory Abrahamian, MD
7979 Wurzbach Rd Ste 219,
San Antonio, TX 78229-4427

Ph: (210) 743-4306
Gregory Abrahamian, MD
7979 Wurzbach Rd Ste 219,
San Antonio, TX 78229-4427

Ph: (210) 743-4306

Reviews and Comments



Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.