Quick answers
- Does Crystal G. Frohmader accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal G. Frohmader 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 Crystal G. Frohmader see?
- In 2024, CMS data shows 28 Original Medicare patients and 81 services for Crystal G. Frohmader. This counts Original Medicare only and measures volume, not quality.
- What is Crystal G. Frohmader's NPI number?
- 1619126802. 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 Crystal G. Frohmader, 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 | 28 |
|---|---|
| Services billed to Medicare | 81 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
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 pressure54%
- High cholesterol54%
Practice locations
Addresses where Crystal G. Frohmader is enrolled with Medicare (CMS data updated October 2, 2026).
- 5249 E Terrace DrMadison, WI 53718 (608) 222‑9777
- 675 W Washington AveMadison, WI 53703 (608) 257‑9700
- 8202 Excelsior DrMadison, WI 53717 (608) 831‑1766
Group practices
Medicare enrollment lists Crystal G. Frohmader as a member of this group (CMS data updated October 2, 2026).
- Group Health Cooperative of South Central Wisconsin236 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Madison
Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.
Other clinicians in Group Health Cooperative of South Central Wisconsin
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2008 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619126802 |
| 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
- 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