Quick answers
- Does Janet R. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Janet R. Martin 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 Janet R. Martin see?
- In 2024, CMS data shows 1,330 Original Medicare patients and 3,542 services for Janet R. Martin. This counts Original Medicare only and measures volume, not quality.
- What is Janet R. Martin's NPI number?
- 1821046707. 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 Janet R. Martin, 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 | 1,330 |
|---|---|
| Services billed to Medicare | 3,542 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)2,010 services
- Mri scan of leg joint without contrast (73721)758 services
- Mri scan of arm joint without contrast (73221)577 services
- Mri scan of leg without contrast (73718)86 services
- Mri scan of pelvis without contrast (72195)37 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%
- Arthritis75%
- High blood pressure63%
- Ischemic heart disease25%
- Anxiety24%
- Diabetes19%
Practice locations
Addresses where Janet R. Martin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 62; the Medicare profile lists all.
- 1000 N Humphreys St, Suite 100Flagstaff, AZ 86001 (928) 223‑0200
- 10440 E Riggs Rd, 110 Simonmed Imaging Sun LakesSun Lakes, AZ 85248 (480) 883‑6860
- 10815 W McDowell Rd, 102 Simonmed Imaging AvondaleAvondale, AZ 85392 (623) 433‑0121
- 10825 W McDowell Rd, 110 Simonmed Imaging Avondale AkosAvondale, AZ 85392 (623) 251‑6030
- 1110 E Missouri Ave, 410 Simonmed Imaging Stand Up Open MriPhoenix, AZ 85014 (602) 274‑4674
Group practices
Medicare enrollment lists Janet R. Martin as a member of these groups (CMS data updated October 2, 2026).
- Smi Imaging LLC384 clinicians in the group
- Simonmed Imaging Florida LLC317 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Flagstaff
Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.
Other clinicians in Smi Imaging LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821046707 |
| 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
- 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