Quick answers
- Which hospitals does Mark D. Fallon Cyr work at?
- Medicare's official clinician data lists Mark D. Fallon Cyr at 1 hospital: Northern Navajo Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark D. Fallon Cyr see patients?
- Medicare's clinician data lists 3 practice locations, including Ignacio, CO and Teecnospos, AZ. Call before your visit to confirm the address.
- What is Mark D. Fallon Cyr's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Mark D. Fallon Cyr accept Medicare assignment?
- Yes. Medicare's clinician data says Mark D. Fallon Cyr 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 Mark D. Fallon Cyr?
- (928) 656-5165, as listed in official Medicare / NPI Registry data.
- What is Mark D. Fallon Cyr's NPI number?
- 1174550909. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark D. Fallon Cyr works
Medicare's Facility Affiliation Data lists Mark D. Fallon Cyr at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northern Navajo Medical CenterShiprock, NM · Acute Care Hospital · CCN 320059
Practice locations
Addresses where Mark D. Fallon Cyr is enrolled with Medicare (CMS data updated 2026-10-02).
- PO BoxIgnacio, CO 81137
- PO Box, Suite 899Ignacio, CO 81137
- US Hwy 160 and Navajo Route 35-Red MesaTeecnospos, AZ 86514 (928) 656‑5165
Group practices
Medicare enrollment lists Mark D. Fallon Cyr as a member of these groups (CMS data updated 2026-10-02).
- DHHS PHS Naihs Shiprock Hospital149 clinicians in the group
- Southern Ute Indian Tribe13 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174550909 |
| 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