Quick answers
- Does Sierra C. Germeyan accept Medicare assignment?
- Yes. Medicare's clinician data says Sierra C. Germeyan 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 Sierra C. Germeyan see?
- In 2024, CMS data shows 12 Original Medicare patients and 39 services for Sierra C. Germeyan. This counts Original Medicare only and measures volume, not quality.
- What is Sierra C. Germeyan's NPI number?
- 1225599848. 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 Sierra C. Germeyan, 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 | 12 |
|---|---|
| Services billed to Medicare | 39 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Hospitals where Sierra C. Germeyan works
Medicare's Facility Affiliation Data lists Sierra C. Germeyan 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.
- Hca-Healthone dba Swedish Medical CenterEnglewood, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060034
- Sky Ridge Medical CenterLone Tree, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060112
Practice locations
Addresses where Sierra C. Germeyan is enrolled with Medicare (CMS data updated October 2, 2026).
- 501 E Hamden Ave, Kp Health One Swedish Medical CenterEnglewood, CO 80113 (303) 338‑4545
Group practices
Medicare enrollment lists Sierra C. Germeyan as a member of this group (CMS data updated October 2, 2026).
- Colorado Permanente Medical Group PC1,327 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Englewood
Clinicians with the same Medicare primary specialty in Englewood, CO — not a recommendation.
Other clinicians in Colorado Permanente Medical Group PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225599848 |
| 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