Quick answers
- Does Mark Anthony A. Rosales accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Anthony A. Rosales accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mark Anthony A. Rosales see?
- In 2024, CMS data shows 267 Original Medicare patients and 3,057 services for Mark Anthony A. Rosales. This counts Original Medicare only and measures volume, not quality.
- What is Mark Anthony A. Rosales's NPI number?
- 1861453953. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mark Anthony A. Rosales, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 267 |
|---|---|
| Services billed to Medicare | 3,057 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)670 services
- X-ray of foot, minimum of 3 views (73630)386 services
- Removal of fingernails or toenails, 6 or more nails (11721)353 services
- X-ray of ankle, 2 views (73600)348 services
- Injection, methylprednisolone acetate, 1 mg (J1010)275 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure71%
- Arthritis55%
- Chronic kidney disease27%
- Diabetes26%
- Ischemic heart disease24%
Hospitals where Mark Anthony A. Rosales works
Medicare's Facility Affiliation Data lists Mark Anthony A. Rosales at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Flagstaff Medical CenterFlagstaff, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030023
Practice locations
Addresses where Mark Anthony A. Rosales is enrolled with Medicare (CMS data updated October 2, 2026).
- 421 N Humphreys StFlagstaff, AZ 86001 (928) 774‑4825
Specialties
- Podiatryprimary
Other podiatrists in Flagstaff
Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | Kent State University College Of Podiatric Medicine |
| Graduation year | 2002 (24 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861453953 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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