Provider Profile
Nathan Greenfeld
Unclaimed ProfileAbout Nathan Greenfeld
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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
- (718) 875-6900
- Email not available
Practice Locations
18 MIDDLETON ST
Brooklyn, NY 11206
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 social workers at this location 8
Same specialty, same street address — most likely the same department or group.
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 kind of doctor is Nathan Greenfeld?
Nathan Greenfeld is a social worker in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Nathan Greenfeld's address?
Nathan Greenfeld is listed at 18 Middleton St, Brooklyn, NY 11206. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Nathan Greenfeld?
The number on file is (718) 875-6900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Nathan Greenfeld's NPI number?
Nathan Greenfeld's National Provider Identifier is 1073986964. 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 Nathan Greenfeld been practicing?
Nathan Greenfeld has 11+ years experience. Registered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Nathan Greenfeld confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Nathan Greenfeld. 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.