Quick answers
- Does Mary T. Carr Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Mary T. Carr Peterson 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 Mary T. Carr Peterson see?
- In 2024, CMS data shows 210 Original Medicare patients and 1,175 services for Mary T. Carr Peterson. This counts Original Medicare only and measures volume, not quality.
- What is Mary T. Carr Peterson's NPI number?
- 1164496212. 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 Mary T. Carr Peterson, 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 | 210 |
|---|---|
| Services billed to Medicare | 1,175 |
| Different services or procedures | 67 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)148 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)128 services
- Blood test, comprehensive group of blood chemicals (80053)125 services
- Blood test, lipids (cholesterol and triglycerides) (80061)89 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)89 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 cholesterol73%
- High blood pressure65%
- Arthritis40%
- Anxiety25%
- Diabetes21%
- Depression19%
Practice locations
Addresses where Mary T. Carr Peterson is enrolled with Medicare (CMS data updated October 2, 2026).
- 3770 8th St SW, Suite BAltoona, IA 50009 (515) 270‑1000
- 8779 Northpark CtJohnston, IA 50131 (515) 270‑1000
Group practices
Medicare enrollment lists Mary T. Carr Peterson as a member of this group (CMS data updated October 2, 2026).
- Doctorsnow Walk-In Care, L.C.12 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Altoona
Clinicians with the same Medicare primary specialty in Altoona, IA — not a recommendation.
Other clinicians in Doctorsnow Walk-In Care, L.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164496212 |
| 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