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Edit this profileAt a glance
- 3409 Union Blvd, Saint Louis, MO 63115
About Dr. Williams
Roy J. Williams, M.D. practices internal medicine in Saint Louis, MO. The provider's National Provider Identifier (NPI) is 1982604369.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 261-4834
- Email not available
Practice Locations
3409 UNION BLVD
Saint Louis, MO 63115
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 8 related providers in 1 group
Common questions
What is Roy J. Williams's specialty?
Roy J. Williams is an internist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Roy J. Williams?
Roy J. Williams is listed at 3409 Union Blvd, Saint Louis, MO 63115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Roy J. Williams?
The number on file is (314) 261-4834. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Roy J. Williams?
Roy J. Williams's National Provider Identifier is 1982604369. 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
How much experience does Roy J. Williams have?
Roy J. Williams has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Roy J. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Roy J. Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.