Quick answers
- Which hospitals does John B. Martin work at?
- Medicare's official clinician data lists John B. Martin at 1 hospital: Flagstaff Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John B. Martin see patients?
- Medicare's clinician data lists 9 practice locations, including Flagstaff, AZ and Cottonwood, AZ. Call before your visit to confirm the address.
- What is John B. Martin's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does John B. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says John B. Martin 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 B. Martin?
- (928) 779-3366, as listed in official Medicare / NPI Registry data.
- What is John B. Martin's NPI number?
- 1083641237. 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 B. Martin works
Medicare's Facility Affiliation Data lists John B. Martin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Flagstaff Medical CenterFlagstaff, AZ · Acute Care Hospital · CCN 030023
Practice locations
Addresses where John B. Martin is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1200 N Beaver StFlagstaff, AZ 86001 (928) 779‑3366
- 1200 N Beaver St, Attn. Managed Care ContractingFlagstaff, AZ 86001
- 1215 N Beaver St, Suite 203Flagstaff, AZ 86001 (928) 773‑2249
- 1895 N Jasper DrFlagstaff, AZ 86001
- 2000 S Thompson StFlagstaff, AZ 86001 (928) 226‑6400
Group practices
Medicare enrollment lists John B. Martin as a member of this group (CMS data updated 2026-10-02).
- Northern Arizona Healthcare Corporation385 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Flagstaff
Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.
Clinician information
| Graduation year | 1986 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083641237 |
| 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