Quick answers
- Which hospitals does John M. Christopher work at?
- Medicare's official clinician data lists John M. Christopher at 4 hospitals: Adventist Health and Rideout, Colusa Medical Center, Enloe Health and Orchard Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Christopher see patients?
- Medicare's clinician data lists 2 practice locations, including Colusa, CA and Gridley, CA. Call before your visit to confirm the address.
- What is John M. Christopher's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does John M. Christopher accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Christopher 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 John M. Christopher?
- (209) 287-6308, as listed in official Medicare / NPI Registry data.
- What is John M. Christopher's NPI number?
- 1306347547. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John M. Christopher works
Medicare's Facility Affiliation Data lists John M. Christopher at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · CCN 050133
- Colusa Medical CenterColusa, CA · Acute Care Hospital · CCN 050783
- Enloe HealthChico, CA · Acute Care Hospital · CCN 050039
- Orchard HospitalGridley, CA · Critical Access Hospital · CCN 051311
Practice locations
Addresses where John M. Christopher is enrolled with Medicare (CMS data updated 2026-10-02).
- 173 E Webster StColusa, CA 95932 (209) 287‑6308
- 240 Spruce StGridley, CA 95948 (877) 346‑2211
Group practices
Medicare enrollment lists John M. Christopher as a member of this group (CMS data updated 2026-10-02).
- American Specialty Physicians Group Inc100 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Colusa
Clinicians with the same Medicare primary specialty in Colusa, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306347547 |
| 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