Quick answers
- Does Sharon Y. Hosaka accept Medicare assignment?
- Yes. Medicare's clinician data says Sharon Y. Hosaka 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 Sharon Y. Hosaka see?
- In 2024, CMS data shows 271 Original Medicare patients and 828 services for Sharon Y. Hosaka. This counts Original Medicare only and measures volume, not quality.
- What is Sharon Y. Hosaka's NPI number?
- 1164468716. 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 Sharon Y. Hosaka, 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 | 271 |
|---|---|
| Services billed to Medicare | 828 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 86 |
Most frequent services
- Trimming of dystrophic nails, any number (G0127)291 services
- Removal of noncancer thickened skin growth, 1 growth (11055)164 services
- Removal of fingernails or toenails, 1-5 nails (11720)97 services
- Removal of fingernails or toenails, 6 or more nails (11721)72 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)38 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%
- Arthritis59%
- Alzheimer's disease or dementia41%
- Diabetes36%
- Depression33%
Practice locations
Addresses where Sharon Y. Hosaka is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 Geary BlvdSan Francisco, CA 94109 (415) 922‑9700
Specialties
- Podiatryprimary
Other podiatrists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | California School Of Podiatric Medicine |
| Graduation year | 1980 (46 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164468716 |
| 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
- 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