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Edit this profileAt a glance
- 721 Franklin Ave, Garden City, NY 11530
About Dr. Grehan
Patrick M. Grehan, PhD is a clinical psychologist practicing in Garden City, NY. Patrick is also listed as specializing in psychologist — clinical. This provider record is associated with NPI 1407924368.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (516) 256-9250
- Email not available
Practice Locations
721 FRANKLIN AVE
Garden City, NY 11530
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other clinical psychologists in Garden City 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Patrick M. Grehan?
Patrick M. Grehan is a clinical psychologist in Garden City, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Patrick M. Grehan's address?
Patrick M. Grehan is listed at 721 Franklin Ave, Garden City, NY 11530. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Patrick M. Grehan?
The number on file is (516) 256-9250. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Patrick M. Grehan's NPI number?
Patrick M. Grehan's National Provider Identifier is 1407924368. 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
Where did Patrick M. Grehan train?
Patrick M. Grehan attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Patrick M. Grehan been practicing?
Patrick M. Grehan has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
Has Patrick M. Grehan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Patrick M. Grehan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.