Provider Profile
Katherine Mostkoff, LCSW
Unclaimed ProfileAbout Katherine Mostkoff
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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.
Contact Information
- (212) 686-7500
- Email not available
Practice Locations
423 E 23RD ST
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 clinical social workers at this location 5
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 Katherine Mostkoff's specialty?
Katherine Mostkoff is a clinical social worker in New York, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Katherine Mostkoff?
Katherine Mostkoff is listed at 423 E 23Rd St, 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 Katherine Mostkoff?
The number on file is (212) 686-7500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Katherine Mostkoff?
Katherine Mostkoff's National Provider Identifier is 1487988879. 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 Katherine Mostkoff have?
Katherine Mostkoff has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Katherine Mostkoff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine Mostkoff. 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.