Quick answers
- Does Yessika X. Woo Lee accept Medicare assignment?
- Yes. Medicare's clinician data says Yessika X. Woo Lee 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 Yessika X. Woo Lee see?
- In 2024, CMS data shows 631 Original Medicare patients and 3,516 services for Yessika X. Woo Lee. This counts Original Medicare only and measures volume, not quality.
- What is Yessika X. Woo Lee's NPI number?
- 1144841735. 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 Yessika X. Woo Lee, 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 | 631 |
|---|---|
| Services billed to Medicare | 3,516 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Test or measurement for functional capacity, each 15 minutes (97750)738 services
- Removal of fingernails or toenails, 6 or more nails (11721)646 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)385 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)242 services
- Removal of noncancer thickened skin growth, 2-4 growths (11056)220 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 pressure64%
- Arthritis52%
- Diabetes29%
- Ischemic heart disease26%
- Chronic kidney disease26%
Hospitals where Yessika X. Woo Lee works
Medicare's Facility Affiliation Data lists Yessika X. Woo Lee 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
- UCSF Health Stanyan HospitalSan Francisco, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050457
Practice locations
Addresses where Yessika X. Woo Lee is enrolled with Medicare (CMS data updated October 2, 2026).
- 1580 Valencia St, Suite 109San Francisco, CA 94110 (415) 285‑7711
- 750 Las Gallinas Ave, Suite 115San Rafael, CA 94903 (415) 472‑5575
Group practices
Medicare enrollment lists Yessika X. Woo Lee as a member of this group (CMS data updated October 2, 2026).
- Bay Area Foot Care Inc127 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in Bay Area Foot Care Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | California School Of Podiatric Medicine |
| Graduation year | 2020 (6 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144841735 |
| 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