Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Debra Williams, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1609870930

Dr. Debra Williams, MD is an Obstetrics/Gynecology in San Antonio, Texas. Graduated from University of Texas Medical Branch at Galveston in 1988, 38 years ago. Practices with The Fort Defiance Indian Hospital Board, Incorporation, a 146-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
38
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

502 Madison Oak Dr Ste 440
San Antonio, TX 78258-4084
Phone: (210) 946-1300
Fax: (210) 946-1700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence H6707 (TX)

Record details

NPI number1609870930
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2005
Last updated in NPPESNovember 3, 2011
Mailing address502 Madison Oak Dr, Suite 440, San Antonio, TX 78258-4084

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1988 (38 years in practice)
Group practice The Fort Defiance Indian Hospital Board, Incorporation — 146 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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