Quick answers
- Does Sondema N. Tarr accept Medicare assignment?
- Yes. Medicare's clinician data says Sondema N. Tarr 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 Sondema N. Tarr see?
- In 2024, CMS data shows 1,237 Original Medicare patients and 3,819 services for Sondema N. Tarr. This counts Original Medicare only and measures volume, not quality.
- What is Sondema N. Tarr's NPI number?
- 1295260180. 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 Sondema N. Tarr, 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 | 1,237 |
|---|---|
| Services billed to Medicare | 3,819 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 83 |
Most frequent services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)1,413 services
- Removal of fingernails or toenails, 1-5 nails (11720)799 services
- Removal of fingernails or toenails, 6 or more nails (11721)635 services
- Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes (99342)390 services
- Trimming of fingernails or toenails (11719)331 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 blood pressure75%
- High cholesterol58%
- Alzheimer's disease or dementia57%
- Depression48%
- Diabetes40%
- Arthritis40%
Practice locations
Addresses where Sondema N. Tarr is enrolled with Medicare (CMS data updated October 2, 2026).
- 16427 N Scottsdale Rd, Suite 410Scottsdale, AZ 85254 (888) 495‑4489
Group practices
Medicare enrollment lists Sondema N. Tarr as a member of this group (CMS data updated October 2, 2026).
- Onesource Senior Healthcare PLLC14 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Scottsdale
Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.
Other clinicians in Onesource Senior Healthcare PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | Kent State University College Of Podiatric Medicine |
| Graduation year | 2017 (9 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295260180 |
| 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