Quick answers
- Which hospitals does Peter Mathern work at?
- Medicare's official clinician data lists Peter Mathern at 5 hospitals: Flagstaff Medical Center, Little Colorado Medical Center, Page Hospital, Tuba City Regional Health Care Corporation and Verde Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter Mathern see patients?
- Medicare's clinician data lists 1 practice location in Flagstaff, AZ. Call before your visit to confirm the address.
- What is Peter Mathern's specialty?
- Medicare lists Medical Oncology as the primary specialty.
- Does Peter Mathern accept Medicare assignment?
- Yes. Medicare's clinician data says Peter Mathern 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 Peter Mathern offer telehealth?
- Medicare's clinician data says Peter Mathern offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peter Mathern?
- (928) 635-7307, as listed in official Medicare / NPI Registry data.
- What is Peter Mathern's NPI number?
- 1316995699. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter Mathern works
Medicare's Facility Affiliation Data lists Peter Mathern 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
- Little Colorado Medical CenterWinslow, AZ · Critical Access Hospital · CCN 031311
- Page HospitalPage, AZ · Critical Access Hospital · CCN 031304
- Tuba City Regional Health Care CorporationTuba City, AZ · Acute Care Hospital · CCN 030073
- Verde Valley Medical CenterCottonwood, AZ · Acute Care Hospital · CCN 030007
Practice locations
Addresses where Peter Mathern is enrolled with Medicare (CMS data updated 2026-10-02).
- 77 W Forest Ave, Suite 301Flagstaff, AZ 86001 (928) 635‑7307
Group practices
Medicare enrollment lists Peter Mathern as a member of these groups (CMS data updated 2026-10-02).
- American Oncology Partners PA391 clinicians in the group
- Arizona Oncology Associates PC40 clinicians in the group
Specialties
- Medical Oncologyprimary
Other oncologists in Arizona
Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316995699 |
| 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