Quick answers
- Does Stacie L. Griemsman accept Medicare assignment?
- Yes. Medicare's clinician data says Stacie L. Griemsman 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 Stacie L. Griemsman see?
- In 2024, CMS data shows 93 Original Medicare patients and 320 services for Stacie L. Griemsman. This counts Original Medicare only and measures volume, not quality.
- What is Stacie L. Griemsman's NPI number?
- 1417945288. 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 Stacie L. Griemsman, 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 | 93 |
|---|---|
| Services billed to Medicare | 320 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)124 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)57 services
- Administration of influenza virus vaccine (G0008)16 services
- Influenza vaccine, inactivated (90653)15 services
- Admn sarscov2 vacc 1 dose (90480)13 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 cholesterol65%
- High blood pressure57%
- Arthritis48%
- Anxiety33%
- Depression29%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)24%
Hospitals where Stacie L. Griemsman works
Medicare's Facility Affiliation Data lists Stacie L. Griemsman 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.
- Corewell Health Pennock HospitalHastings, MI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 231339
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038
Practice locations
Addresses where Stacie L. Griemsman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 100 Michigan Ave NEGrand Rapids, MI 49503 (616) 391‑1774
- 100 Michigan St Northeast, Corewell Health Grand Rapids HospitGrand Rapids, MI 49503 (616) 391‑1774
- 2249 Wealthy St SE, 110 Corewell Health Medical Group WestEast Grand Rapids, MI 49506 (616) 391‑4600
- 275 Michigan St NEGrand Rapids, MI 49503 (616) 391‑3777
- 2900 Bradford St NE, Corewell Health Medical Group WestGrand Rapids, MI 49525 (616) 885‑5000
Group practices
Medicare enrollment lists Stacie L. Griemsman as a member of these groups (CMS data updated October 2, 2026).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
- Center for Physical Rehabilitation and Therapy LP369 clinicians in the group
- Center for Physical Rehabilitation Inc357 clinicians in the group
- Spectrum Health Hospitals160 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Spectrum Health Primary Care Partners
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 2001 (25 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) | 1417945288 |
| 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