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

Dr. William Andrew Atlas, MD

Individual provider Internal Medicine Physician · NPI 1902881535

Dr. William Andrew Atlas, MD is an Internal Medicine Physician in San Antonio, Texas. Licensed in Texas. Registered with an NPI since 2005.

Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

540 Madison Oak Dr Ste 550
San Antonio, TX 78258-3943
Phone: (210) 404-9220
Fax: (210) 404-9223
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence H9186 (TX)

Record details

NPI number1902881535
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESJanuary 6, 2016

Other providers in San Antonio