Provider Profile
Gary A. Hayes, PhD
Unclaimed ProfileAbout Dr. Hayes
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Education & Training
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.
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
- (415) 827-9969
- Email not available
Practice Locations
1303 JEFFERSON ST SUITE 600A
Napa, CA 94559
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 psychologists at this location 7
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 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other psychologists in Napa 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Gary A. Hayes?
Gary A. Hayes is a psychologist in Napa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
What is Gary A. Hayes's address?
Gary A. Hayes is listed at 1303 Jefferson St Suite 600A, Napa, CA 94559. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gary A. Hayes?
The number on file is (415) 827-9969. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Gary A. Hayes?
Gary A. Hayes's National Provider Identifier is 1801161203. 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 Gary A. Hayes train?
Gary A. Hayes attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gary A. Hayes have?
Gary A. Hayes has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
Is Gary A. Hayes's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gary A. Hayes. 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.