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

William a Atlas MD PA

Organization Internal Medicine Physician · NPI 1548654387

William a Atlas MD PA is an Internal Medicine Physician in San Antonio, Texas. Registered with an NPI since 2015.

In the registry since
2015
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

540 Madison Oak Dr Ste 550
San Antonio, TX 78258-3943
Phone: (210) 525-1668
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1548654387
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Atlas — Md/Owner · (210) 525-1668
NPI enumeratedMarch 18, 2015
Last updated in NPPESMarch 18, 2015
Mailing address540 Madison Oak Dr, Suite 550, San Antonio, TX 78258-3943

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