Provider Profile
John-Ross Harrison
Unclaimed ProfileAbout John-Ross Harrison
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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
- (718) 221-7700
- Email not available
Practice Locations
685 CLARKSON AVE
Brooklyn, NY 11203
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 providers at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 3
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 John-Ross Harrison's address?
John-Ross Harrison is listed at 685 Clarkson Ave, Brooklyn, NY 11203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John-Ross Harrison?
The number on file is (718) 221-7700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John-Ross Harrison's NPI number?
John-Ross Harrison's National Provider Identifier is 1841180858. 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 John-Ross Harrison been practicing?
John-Ross Harrison has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has John-Ross Harrison confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John-Ross Harrison. 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.