Quick answers
- Does Erin C. Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Erin C. 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 Erin C. Peterson see?
- In 2024, CMS data shows 120 Original Medicare patients and 1,029 services for Erin C. Peterson. This counts Original Medicare only and measures volume, not quality.
- What is Erin C. Peterson's NPI number?
- 1417065608. 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 Erin C. 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 | 120 |
|---|---|
| Services billed to Medicare | 1,029 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)164 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)114 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)67 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)41 services
- Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle (95874)35 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 cholesterol70%
- Arthritis66%
- Depression44%
- Anxiety38%
- Diabetes32%
Hospitals where Erin C. Peterson works
Medicare's Facility Affiliation Data lists Erin C. Peterson 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.
- MercyOne North Iowa Medical CenterMason City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160064
- Mitchell County Regional HealthOsage, IA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 161323
Practice locations
Addresses where Erin C. Peterson is enrolled with Medicare (CMS data updated October 2, 2026).
- 910 N Eisenhower AveMason City, IA 50401
- 910 N Eisenhower Ave, Mercyone North Iowa Family and SportsMason City, IA 50401 (641) 428‑5911
Group practices
Medicare enrollment lists Erin C. Peterson as a member of this group (CMS data updated October 2, 2026).
- North Iowa Mercy Clinics302 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Iowa →
Other rehabilitation doctors in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Other clinicians in North Iowa Mercy Clinics
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417065608 |
| 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