Physician Profile
Seymour Alter, M.D.
Unclaimed ProfileAbout Dr. Alter
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (631) 265-7711
- Email not available
Practice Locations
222 MIDDLE COUNTRY RD SUITE 109
Smithtown, NY 11787
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Seymour Alter's specialty?
Seymour Alter is a specialist in Smithtown, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Seymour Alter?
Seymour Alter is listed at 222 Middle Country Rd Suite 109, Smithtown, NY 11787. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Seymour Alter?
The number on file is (631) 265-7711. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Seymour Alter?
Seymour Alter's National Provider Identifier is 1750336251. 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 Seymour Alter have?
Seymour Alter 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
Is Seymour Alter's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Seymour Alter. 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.