Provider Profile
John F. Mackay
Unclaimed ProfileAbout John Mackay
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (631) 257-5173
- Email not available
Practice Locations
445 OAK ST
Copiague, NY 11726
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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 2 related providers in 1 group
Other clinical social workers in Copiague 2
Same specialty, same city.
Common questions
What does Dr. Mackay specialize in?
Dr. Mackay is a clinical social worker in Copiague, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Clinical Social Worker”.
NPI registry
Where is Dr. Mackay located?
Dr. Mackay is listed at 445 OAK ST, Copiague, NY 11726. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mackay's phone number?
The number on file is (631) 257-5173. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mackay's NPI number?
Dr. Mackay's National Provider Identifier is 1902441520. 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 Dr. Mackay been practicing?
Dr. Mackay has 7+ years experience. Registered with an NPI since 2019. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Mackay confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mackay. 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.