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Clinical Psychologist

Gary A. Hayes

Sees patients in Napa, CA · California

Summary

Gary A. Hayes (Clinical Psychologist) is enrolled with Medicare at 1 practice location in Napa, CA. NPI 1801161203. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(415) 827‑9969 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Gary A. Hayes, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

1Practice location
Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
40Years since medical school (graduated 1986)
MaleGender (as listed)

Quick answers

Where does Gary A. Hayes see patients?
Medicare's clinician data lists 1 practice location in Napa, CA. Call before your visit to confirm the address.
What is Gary A. Hayes's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Gary A. Hayes accept Medicare assignment?
Yes. Medicare's clinician data says Gary A. Hayes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Gary A. Hayes offer telehealth?
Medicare's clinician data says Gary A. Hayes offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gary A. Hayes?
(415) 827-9969, as listed in official Medicare / NPI Registry data.
What is Gary A. Hayes's NPI number?
1801161203. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Gary A. Hayes is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Clinical Psychologist, California →

Other clinical psychologists in Napa

Clinicians with the same Medicare primary specialty in Napa, CA — not a recommendation.

All clinical psychologists in Napa →

Clinician information

Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1801161203
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians