Quick answers
- Which hospitals does Gary Haffner work at?
- Medicare's official clinician data lists Gary Haffner at 1 hospital: Surprise Valley Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary Haffner see patients?
- Medicare's clinician data lists 3 practice locations, including Fort Bidwell, CA and Cedarville, CA. Call before your visit to confirm the address.
- What is Gary Haffner's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gary Haffner accept Medicare assignment?
- Yes. Medicare's clinician data says Gary Haffner 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 Haffner offer telehealth?
- Medicare's clinician data says Gary Haffner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gary Haffner?
- (530) 279-6194, as listed in official Medicare / NPI Registry data.
- What is Gary Haffner's NPI number?
- 1407950710. 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 Haffner works
Medicare's Facility Affiliation Data lists Gary Haffner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Surprise Valley Community HospitalCedarville, CA · Critical Access Hospital · CCN 051308
Practice locations
Addresses where Gary Haffner is enrolled with Medicare (CMS data updated 2026-10-02).
- 132 Mee Thee-Uh RdFort Bidwell, CA 96112 (530) 279‑6194
- PO BoxCedarville, CA 96104
- PO Box, Suite 246Cedarville, CA 96104
Group practices
Medicare enrollment lists Gary Haffner as a member of these groups (CMS data updated 2026-10-02).
- Surprise Valley Health Care District7 clinicians in the group
- Fort Bidwell Indian Community3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Medical school | Loma Linda University School Of Medicine |
|---|---|
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407950710 |
| 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