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

Dr. Gregory Carter Williamson, MD

Individual provider Pediatrics Physician · NPI 1144780040

Dr. Gregory Carter Williamson, MD is an Anesthesiology in Pittsburgh, Pennsylvania. Graduated from Pennsylvania State University College of Medicine in 2019, 7 years ago. Licensed in Pennsylvania.

Years since qualifying
7
Trained at
Pennsylvania State University College of Medicine
Licensed in
PA
In the registry since
2019
Specialties on file
2
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

4401 Penn Ave Ste 5643
Pittsburgh, PA 15224-1334
Phone: (412) 692-5261
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD484869 (PA)
Pediatrics Physician Taxonomy 208000000X · Licence MD484869 (PA)

Record details

NPI number1144780040
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2019
Last updated in NPPESApril 8, 2025
Certification dateApril 8, 2025
Mailing address4401 Penn Ave, Pittsburgh, PA 15224-1334

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated

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