Quick answers
- Does Samantha S. Spinner accept Medicare assignment?
- Medicare's clinician data says Samantha S. Spinner may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Samantha S. Spinner see?
- In 2024, CMS data shows 370 Original Medicare patients and 776 services for Samantha S. Spinner. This counts Original Medicare only and measures volume, not quality.
- What is Samantha S. Spinner's NPI number?
- 1902407679. 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 Samantha S. Spinner, 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 | 370 |
|---|---|
| Services billed to Medicare | 776 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)269 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)206 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)80 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)78 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)27 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%
- High blood pressure59%
- Arthritis41%
- Osteoporosis34%
- Chronic kidney disease22%
- Ischemic heart disease21%
Hospitals where Samantha S. Spinner works
Medicare's Facility Affiliation Data lists Samantha S. Spinner 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
- Novato Community HospitalNovato, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050131
- Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050090
Practice locations
Addresses where Samantha S. Spinner is enrolled with Medicare (CMS data updated October 2, 2026).
- 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
Group practices
Medicare enrollment lists Samantha S. Spinner as a member of this group (CMS data updated October 2, 2026).
- Regents Univ of California UCSF283 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in Regents Univ of California UCSF
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902407679 |
| 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