Quick answers
- Does Sara J. Butler accept Medicare assignment?
- Yes. Medicare's clinician data says Sara J. Butler 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 Sara J. Butler see?
- In 2024, CMS data shows 248 Original Medicare patients and 486 services for Sara J. Butler. This counts Original Medicare only and measures volume, not quality.
- What is Sara J. Butler's NPI number?
- 1306228309. 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 Sara J. Butler, 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 | 248 |
|---|---|
| Services billed to Medicare | 486 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)320 services
- Test for exercise-induced lung stress (94618)32 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)26 services
- Test to measure expiratory airflow and volume (94010)22 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)21 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 cholesterol75%
- COPD67%
- Ischemic heart disease50%
- Arthritis45%
- Heart failure38%
Hospitals where Sara J. Butler works
Medicare's Facility Affiliation Data lists Sara J. Butler 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
- Virginia Gay HospitalVinton, IA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 161349
Practice locations
Addresses where Sara J. Butler is enrolled with Medicare (CMS data updated October 2, 2026).
- 788 8th Ave SE, 200 Mercy Pulmonology ClinicCedar Rapids, IA 52401 (319) 221‑8788
Group practices
Medicare enrollment lists Sara J. Butler 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 Cedar Rapids
Clinicians with the same Medicare primary specialty in Cedar Rapids, 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
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306228309 |
| 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