Quick answers
- Does Mary Beth Gonyo accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Beth Gonyo 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 Mary Beth Gonyo see?
- In 2024, CMS data shows 184 Original Medicare patients and 520 services for Mary Beth Gonyo. This counts Original Medicare only and measures volume, not quality.
- What is Mary Beth Gonyo's NPI number?
- 1649221441. 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 Mary Beth Gonyo, 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 | 184 |
|---|---|
| Services billed to Medicare | 520 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)129 services
- Diagnostic mammography of 1 breast (77065)77 services
- Diagnostic mammography of both breasts (77066)61 services
- Limited ultrasound scan of 1 breast (76642)56 services
- Screening mammography (77067)24 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 cholesterol60%
- High blood pressure57%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
- Arthritis42%
- Anxiety32%
- Depression25%
Hospitals where Mary Beth Gonyo works
Medicare's Facility Affiliation Data lists Mary Beth Gonyo 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.
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520177
Practice locations
Addresses where Mary Beth Gonyo is enrolled with Medicare (CMS data updated October 2, 2026).
- 2315 E Moreland BlvdWaukesha, WI 53186 (262) 532‑5700
- 2315 E Moreland Blvd, Suite 100Waukesha, WI 53186 (262) 532‑5700
- 8701 W Watertown PlankMilwaukee, WI 53226 (414) 805‑3666
- 8701 Watertown Plank Rd, Room 4041 MfrcMilwaukee, WI 53226 (414) 805‑3666
- W168n11237 Western AveGermantown, WI 53022 (262) 253‑5060
Group practices
Medicare enrollment lists Mary Beth Gonyo as a member of these groups (CMS data updated October 2, 2026).
- The Medical College of Wisconsin Inc2,115 clinicians in the group
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Hospitalistalso
Other radiologists in Waukesha
Clinicians with the same Medicare primary specialty in Waukesha, WI — not a recommendation.
Other clinicians in The Medical College of Wisconsin Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649221441 |
| 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