Quick answers
- Which hospitals does Matthew Greer work at?
- Medicare's official clinician data lists Matthew Greer at 3 hospitals: Flagstaff Medical Center, 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 Matthew Greer see patients?
- Medicare's clinician data lists 8 practice locations, including Flagstaff, AZ, Cottonwood, AZ and Sedona, AZ. Call before your visit to confirm the address.
- What is Matthew Greer's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Matthew Greer accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Greer 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 Matthew Greer?
- (928) 779-3366, as listed in official Medicare / NPI Registry data.
- What is Matthew Greer's NPI number?
- 1073045043. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Greer works
Medicare's Facility Affiliation Data lists Matthew Greer 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
- 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 Matthew Greer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; 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
- 2000 S Thompson StFlagstaff, AZ 86001 (928) 226‑6400
- 269 S Candy LnCottonwood, AZ 86326 (928) 639‑6000
Group practices
Medicare enrollment lists Matthew Greer as a member of this group (CMS data updated 2026-10-02).
- Northern Arizona Healthcare Corporation385 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Arizona
Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073045043 |
| 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