Physician Profile
Sundar Natarajan, M.D.
Unclaimed ProfileAbout Dr. Natarajan
Based in New York, NY, Sundar Natarajan, M.D. is listed in the NPI registry under internal medicine. NPI 1578581856 identifies this record in the national registry.
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
- (212) 686-7500
- Email not available
Practice Locations
423 E 23RD ST ROOM 11101-S
New York, NY 10010
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 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 8 related providers in 1 group
Common questions
What is Sundar Natarajan's specialty?
Sundar Natarajan is an internist in New York, NY. 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 Sundar Natarajan?
Sundar Natarajan is listed at 423 E 23Rd St Room 11101-S, New York, NY 10010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Sundar Natarajan?
The number on file is (212) 686-7500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Sundar Natarajan's NPI number?
Sundar Natarajan's National Provider Identifier is 1578581856. 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 long has Sundar Natarajan been practicing?
Sundar Natarajan 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
Has Sundar Natarajan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Sundar Natarajan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.