Are you Dr. Williamson? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Gregory C. Williamson, MD

Is this you? Edit this profile

At a glance

About Dr. Williamson

Gregory C. Williamson, MD practices anesthesiology in Pittsburgh, PA. Gregory is a 2019 graduate of Pennsylvania State University College of Medicine. Gregory is also listed as specializing in pediatrics. The provider's National Provider Identifier (NPI) is 1144780040.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Anesthesiology (Primary)
Pediatrics (Additional)

Credentials & Licensing

PA licenceAs reported to the NPI registry
No. MD484869As reported
NPINational Provider Identifier
1144780040Issued 2019

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Williamson?

Dr. Williamson is an anesthesiologist in Pittsburgh, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

What is Dr. Williamson's address?

Dr. Williamson is listed at 4401 Penn Ave Ste 5643, Pittsburgh, PA 15224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Williamson?

The number on file is (412) 692-5261. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Williamson's NPI number?

Dr. Williamson's National Provider Identifier is 1144780040. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Williamson train?

Dr. Williamson attended Pennsylvania State University College of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Williamson been practicing?

Dr. Williamson has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Williamson confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williamson. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD