Quick answers
- Which hospitals does Ryan Haag work at?
- Medicare's official clinician data lists Ryan Haag at 1 hospital: Flagstaff Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan Haag see patients?
- Medicare's clinician data lists 7 practice locations, including Flagstaff, AZ and Cottonwood, AZ. Call before your visit to confirm the address.
- What is Ryan Haag's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Ryan Haag accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan Haag 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 Ryan Haag?
- (928) 779-3366, as listed in official Medicare / NPI Registry data.
- What is Ryan Haag's NPI number?
- 1831775899. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan Haag works
Medicare's Facility Affiliation Data lists Ryan Haag 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 Ryan Haag is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; 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 Ryan Haag as a member of this group (CMS data updated 2026-10-02).
- Northern Arizona Healthcare Corporation385 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Flagstaff
Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831775899 |
| 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