Physician Profile
Gregory T Williams, MD practices internal medicine in Worcester, MA. Gregory is also listed as specializing in infectious disease.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
123 SUMMER STREET SUITE 220 S
Worcester, MA 01608
Dr. Williams is an internist in Worcester, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
Dr. Williams is listed at 123 SUMMER STREET SUITE 220 S, Worcester, MA 01608. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 368-3122. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Williams's National Provider Identifier is 1043288848. 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
Dr. Williams has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.