Quick answers
- Does Robert T. Wankmuller Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Robert T. Wankmuller Jr. 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 Robert T. Wankmuller Jr. see?
- In 2024, CMS data shows 3,301 Original Medicare patients and 6,733 services for Robert T. Wankmuller Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Robert T. Wankmuller Jr.'s NPI number?
- 1639157167. 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 Robert T. Wankmuller Jr., 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 | 3,301 |
|---|---|
| Services billed to Medicare | 6,733 |
| Different services or procedures | 203 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)1,378 services
- Ct scan head or brain without contrast (70450)514 services
- Screening mammography (77067)356 services
- Screening 3d breast mammography (77063)355 services
- Ct scan of abdomen and pelvis with contrast (74177)297 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 pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes45%
- Ischemic heart disease37%
- Chronic kidney disease32%
Hospitals where Robert T. Wankmuller Jr. works
Medicare's Facility Affiliation Data lists Robert T. Wankmuller Jr. 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.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050133
- Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039
- Orchard HospitalGridley, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051311
- Oroville HospitalOroville, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050030
Practice locations
Addresses where Robert T. Wankmuller Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1007 Live Oak Blvd, Suite B2Yuba City, CA 95991 (530) 671‑8718
- 3553 Villero CtPleasanton, CA 94566 (530) 645‑5322
- 370 Del Norte AveYuba City, CA 95991
- 520 Bogue RdYuba City, CA 95991 (530) 844‑5660
- 726 4th StMarysville, CA 95901 (530) 740‑1900
Group practices
Medicare enrollment lists Robert T. Wankmuller Jr. as a member of these groups (CMS data updated October 2, 2026).
- Adventist Health Physicians Network628 clinicians in the group
- Rideout Memorial Hospital87 clinicians in the group
- Rideout Medical Associates Inc3 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Interventional Radiologyalso
Other radiologists in Yuba City
Clinicians with the same Medicare primary specialty in Yuba City, CA — not a recommendation.
Other clinicians in Adventist Health Physicians Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639157167 |
| 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