Physician Profile

Seth D. Feltheimer, M.D.

Unclaimed Profile

About Dr. Feltheimer

Seth D. Feltheimer, M.D. is a healthcare provider in New York, NY specializing in internal medicine. According to Medicare claims data, Seth cared for 1,000 Medicare patients across 1,076 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, advance care planning, first 30 minutes, and annual alcohol misuse screening, 5 to 15 minutes.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Internal Medicine (Primary)

Credentials & Licensing

NY license159763
NPI1043387632
NPI issued11/29/2006

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

Medicare opt-outYes, since April 2026
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 does Seth D. Feltheimer specialize in?

Seth D. Feltheimer 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 is Seth D. Feltheimer located?

Seth D. Feltheimer is listed at 161 Fort Washington Ave, New York, NY 10032. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Seth D. Feltheimer's phone number?

The number on file is (212) 305-8669. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Seth D. Feltheimer's NPI number?

Seth D. Feltheimer's National Provider Identifier is 1043387632. 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 Seth D. Feltheimer been practicing?

Seth D. Feltheimer 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

What does Seth D. Feltheimer do most often?

According to Medicare billing data, Seth D. Feltheimer performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Seth D. Feltheimer confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Seth D. Feltheimer. 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.