Quick answers
- Does Rachel A. Amsterburg accept Medicare assignment?
- Yes. Medicare's clinician data says Rachel A. Amsterburg 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 Rachel A. Amsterburg see?
- In 2024, CMS data shows 305 Original Medicare patients and 522 services for Rachel A. Amsterburg. This counts Original Medicare only and measures volume, not quality.
- What is Rachel A. Amsterburg's NPI number?
- 1629278957. 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 Rachel A. Amsterburg, 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 | 305 |
|---|---|
| Services billed to Medicare | 522 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)213 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)190 services
- Emergency department visit with moderate level of medical decision making (99284)79 services
- Critical care, first 30-74 minutes (99291)19 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 pressure72%
- High cholesterol70%
- Arthritis48%
- Ischemic heart disease34%
- Anxiety33%
- Diabetes32%
Hospitals where Rachel A. Amsterburg works
Medicare's Facility Affiliation Data lists Rachel A. Amsterburg 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.
- Munson Healthcare Grayling HospitalGrayling, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230058
- Munson Healthcare Otsego Memorial HospitalGaylord, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230133
Practice locations
Addresses where Rachel A. Amsterburg is enrolled with Medicare (CMS data updated October 2, 2026).
- 81 S I 75 Business LoopGrayling, MI 49738 (989) 348‑7400
Group practices
Medicare enrollment lists Rachel A. Amsterburg as a member of this group (CMS data updated October 2, 2026).
- RA2, PC2 clinicians in the group
Specialties
- General Practiceprimary
- Emergency Medicinealso
Other general practitioners in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629278957 |
| 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