Are you John Diehl, MS? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileJohn Diehl, MS is a mental health counselor practicing in West Sayville, NY. This provider record is associated with NPI 1619187101.
Factual summary compiled by Guide.md from public records; not written by this provider.
131 CHERRY AVE
West Sayville, NY 11796
John Diehl is a mental health counselor in West Sayville, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
John Diehl is listed at 131 Cherry Ave, West Sayville, NY 11796. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 834-5809. Contact the office directly to confirm availability and scheduling.
NPI registry
John Diehl's National Provider Identifier is 1619187101. 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
John Diehl has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by John Diehl. If this is you, claiming it is free.
Guide.md
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