Quick answers
- Does Barbara A. Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Barbara A. 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 Barbara A. Peterson see?
- In 2024, CMS data shows 82 Original Medicare patients and 233 services for Barbara A. Peterson. This counts Original Medicare only and measures volume, not quality.
- What is Barbara A. Peterson's NPI number?
- 1265910939. 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 Barbara A. 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 | 82 |
|---|---|
| Services billed to Medicare | 233 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)128 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)47 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)42 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)74%
- High blood pressure68%
- Arthritis35%
- Ischemic heart disease24%
- Anxiety23%
Hospitals where Barbara A. Peterson works
Medicare's Facility Affiliation Data lists Barbara A. 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.
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160079
Practice locations
Addresses where Barbara A. Peterson is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 E Polk St, Surgical Oncology WaWashington, IA 52353 (319) 369‑4652
- 400 E Polk St Rms, 1214 Hpcc High Risk Cancer Genetics ClinicWashington, IA 52353 (319) 398‑6732
- 701 10th St SECedar Rapids, IA 52403
- 701 10th St SE J Edward Lundy, Mercy Pediatric ClinicCedar Rapids, IA 52403 (319) 832‑2328
Group practices
Medicare enrollment lists Barbara A. Peterson as a member of this group (CMS data updated October 2, 2026).
- Mercy Medical Center305 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Washington
Clinicians with the same Medicare primary specialty in Washington, IA — not a recommendation.
Other clinicians in Mercy Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265910939 |
| 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