Thomas A O'bryan, MD - Medicare Internal Medicine in Fort Sam Houston, TX

Thomas A O'bryan, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Fort Sam Houston, Texas. His current practice location is Brooke Army Medical Center, 3551 Roger Brooke Drive, Fort Sam Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 539-9582.

Thomas A O'bryan is licensed to practice in Pennsylvania (license number MD042083E) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1619927019.

Contact Information

Thomas A O'bryan, MD
Brooke Army Medical Center, 3551 Roger Brooke Drive,
Fort Sam Houston, TX 78234
(210) 539-9582
Not Available

Map and Direction




Physician's Profile

Full NameThomas A O'bryan
GenderMale
SpecialityInternal Medicine - Infectious Disease
LocationBrooke Army Medical Center, Fort Sam Houston, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1619927019
  • Provider Enumeration Date: 05/10/2006
  • Last Update Date: 02/18/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6406043355
  • Enrollment ID: I20170412001816

Medical Identifiers

Medical identifiers for Thomas A O'bryan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619927019NPI-NPPES
0012960800001MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease MD042083E (Pennsylvania)Primary

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. Thomas A O'bryan 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
Thomas A O'bryan, MD
Brooke Army Medical Center, 3551 Roger Brooke Drive,
Fort Sam Houston, TX 78234

Ph: (210) 539-9582
Thomas A O'bryan, MD
Brooke Army Medical Center, 3551 Roger Brooke Drive,
Fort Sam Houston, TX 78234

Ph: (210) 539-9582

Reviews and Comments


Internal Medicine Doctors in Fort Sam Houston, TX

Dr. Rosemary Chacko, MD
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-539-9582    Fax: 210-916-5102
Andre John Ognibene, MD
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3851 Roger Brooke Dr, Mche-qd (creds), Fort Sam Houston, TX 78234
Phone: 210-916-5993    
Christopher Paul Irwin, M.D
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 916-210-2338    
Gilbert Patrick Ancira, MD
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-916-4808    
Sarah Dang, MD
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
Phone: 210-539-7074    
Dr. Raul A. Rivera, MD
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 3851 Roger Brooke Dr, Brooke Army Medical Center Mche-qd (credentials), Fort Sam Houston, TX 78234
Phone: 210-916-2460    
Dr. Leslie Ann Wood, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3551 Rogers Brooke Drive, San Antonio Military Medical Center, Fort Sam Houston, TX 78234
Phone: 210-916-9844    

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.

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