Quick answers
- Does Marin A. McDonald accept Medicare assignment?
- Yes. Medicare's clinician data says Marin A. McDonald 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 Marin A. McDonald see?
- In 2024, CMS data shows 1,959 Original Medicare patients and 3,343 services for Marin A. McDonald. This counts Original Medicare only and measures volume, not quality.
- What is Marin A. McDonald's NPI number?
- 1861734212. 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 Marin A. McDonald, 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 | 1,959 |
|---|---|
| Services billed to Medicare | 3,343 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Mri scan of lower spinal canal without contrast (72148)1,490 services
- Mri scan of upper spinal canal without contrast (72141)611 services
- Mri scan of middle spinal canal without contrast (72146)149 services
- Mri scan of lower spinal canal before and after contrast (72158)30 services
- Mri scan of brain before and after contrast (70553)11 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 cholesterol75%
- Arthritis75%
- High blood pressure66%
- Anxiety26%
- Ischemic heart disease24%
- Depression24%
Hospitals where Marin A. McDonald works
Medicare's Facility Affiliation Data lists Marin A. McDonald 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
- Oklahoma Surgical Hospital, LLCTulsa, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370210
- Sutter Lakeside HospitalLakeport, CA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 051329
Practice locations
Addresses where Marin A. McDonald is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 100 A Drake'S Landing Rd, Suite 225Greanbrae, CA 94904 (415) 924‑1214
- 1146 N Palo Loma PlOrange, CA 92869 (415) 464‑8081
- 1724 W Union Ave, Suite B 100Tacoma, WA 98405 (253) 830‑5200
- 21 Lower Ragsdale DrMonterey, CA 93940 (831) 648‑7200
- 3328 Hawk StSan Diego, CA 92103 (415) 464‑8081
Group practices
Medicare enrollment lists Marin A. McDonald 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
- California Pacific Advanced Imaging2 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Greanbrae
Clinicians with the same Medicare primary specialty in Greanbrae, 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 | University Of California, San Diego School Of Medicine |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861734212 |
| 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