Quick answers
- Which hospitals does Gary R. Johnson work at?
- Medicare's official clinician data lists Gary R. Johnson at 5 hospitals: Adventist Health Sonora, Mark Twain Medical Center, Sutter Amador Hospital, Sutter Medical Center, Sacramento and Sutter Roseville Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary R. Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including San Andreas, CA and Jackson, CA. Call before your visit to confirm the address.
- What is Gary R. Johnson's specialty?
- Medicare lists General Practice as the primary specialty.
- Does Gary R. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Gary R. Johnson 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 R. Johnson offer telehealth?
- Medicare's clinician data says Gary R. Johnson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gary R. Johnson?
- (209) 754-1851, as listed in official Medicare / NPI Registry data.
- What is Gary R. Johnson's NPI number?
- 1114013513. 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 R. Johnson works
Medicare's Facility Affiliation Data lists Gary R. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health SonoraSonora, CA · Acute Care Hospital · CCN 050335
- Mark Twain Medical CenterSan Andreas, CA · Critical Access Hospital · CCN 051332
- Sutter Amador HospitalJackson, CA · Acute Care Hospital · CCN 050014
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
- Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · CCN 050309
Practice locations
Addresses where Gary R. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 588 W Saint Charles StSan Andreas, CA 95249 (209) 754‑1851
- 820 E State Hwy 88Jackson, CA 95642 (209) 223‑7040
Group practices
Medicare enrollment lists Gary R. Johnson as a member of this group (CMS data updated 2026-10-02).
- Heritage Health Center Inc4 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114013513 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians