Quick answers
- Does Russell C. Fritz accept Medicare assignment?
- Yes. Medicare's clinician data says Russell C. Fritz 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 Russell C. Fritz see?
- In 2024, CMS data shows 1,485 Original Medicare patients and 1,862 services for Russell C. Fritz. This counts Original Medicare only and measures volume, not quality.
- What is Russell C. Fritz's NPI number?
- 1679550032. 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 Russell C. Fritz, 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 | 1,485 |
|---|---|
| Services billed to Medicare | 1,862 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Mri scan of leg joint without contrast (73721)832 services
- Mri scan of arm joint without contrast (73221)776 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).
- Arthritis75%
- High cholesterol73%
- High blood pressure60%
- Ischemic heart disease21%
- Anxiety20%
- Depression18%
Hospitals where Russell C. Fritz works
Medicare's Facility Affiliation Data lists Russell C. Fritz 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.
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050360
- Nebraska Orthopaedic HospitalOmaha, NE · Acute Care Hospital · Emergency services: listed by Medicare · CCN 280129
- Novato Community HospitalNovato, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050131
- Oklahoma Surgical Hospital, LLCTulsa, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370210
- Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050090
Practice locations
Addresses where Russell C. Fritz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1260 S Elideo DrGreenbrae, CA 94904
- 1724 W Union Ave, Suite B 100Tacoma, WA 98405 (253) 830‑5200
- 21 Lower Ragsdale DrMonterey, CA 93940 (831) 648‑7200
- 250 Bon Air RdGreenbrae, CA 94904 (415) 925‑7301
- 487 Green Glen WayMill Valley, CA 94941 (415) 884‑3404
Group practices
Medicare enrollment lists Russell C. Fritz as a member of these groups (CMS data updated October 2, 2026).
- Proliance Surgeons Inc P S397 clinicians in the group
- California Advanced Imaging Medical Associates Inc88 clinicians in the group
- Monterey Spine and Joint PC75 clinicians in the group
- New Century Imaging LLC61 clinicians in the group
- Prima Medical Foundation31 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Greenbrae
Clinicians with the same Medicare primary specialty in Greenbrae, CA — not a recommendation.
Other clinicians in Proliance Surgeons Inc P S
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679550032 |
| 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