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Obstetrics/Gynecology

Gary S. Bernard, DO

Works at hospitals in Marysville, CA · California

Summary

Gary S. Bernard, DO (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Marysville, CA. NPI 1558360032. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gary S. Bernard, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Adventist Health Physicians NetworkGroup practice (+1 more)

Quick answers

Which hospitals does Gary S. Bernard work at?
Medicare's official clinician data lists Gary S. Bernard at 1 hospital: Adventist Health and Rideout. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gary S. Bernard see patients?
Medicare's clinician data lists 2 practice locations, including Yuba City, CA and Olivehurst, CA. Call before your visit to confirm the address.
What is Gary S. Bernard's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Gary S. Bernard accept Medicare assignment?
Yes. Medicare's clinician data says Gary S. Bernard 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.
What is the phone number for Gary S. Bernard?
(530) 671-8718, as listed in official Medicare / NPI Registry data.
What is Gary S. Bernard's NPI number?
1558360032. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gary S. Bernard works

Medicare's Facility Affiliation Data lists Gary S. Bernard at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

Medicare enrollment lists Gary S. Bernard as a member of these groups (CMS data updated 2026-10-02).

  • Adventist Health Physicians Network628 clinicians in the group
  • Ampla Health101 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Yuba City

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

All OB-GYNs in Yuba City →

Clinician information

CredentialDO
Medical schoolUniversity Of Michigan Medical School
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558360032
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians