Quick answers
- Does Leland H. Wong accept Medicare assignment?
- Yes. Medicare's clinician data says Leland H. Wong 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 Leland H. Wong see?
- In 2024, CMS data shows 17 Original Medicare patients and 20 services for Leland H. Wong. This counts Original Medicare only and measures volume, not quality.
- What is Leland H. Wong's NPI number?
- 1770165573. 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 Leland H. Wong, 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 | 17 |
|---|---|
| Services billed to Medicare | 20 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 services
Practice locations
Addresses where Leland H. Wong is enrolled with Medicare (CMS data updated October 2, 2026).
- 2441 Mission College BlvdSanta Clara, CA 95054 (800) 478‑8837
- 301 Old San Francisco RdSunnyvale, CA 94086 (408) 739‑6000
- 370 Distel CirLos Altos, CA 94022 (650) 254‑5200
- 701 E El Camino RealMountain View, CA 94040 (650) 691‑6174
- 795 El Camino RealPalo Alto, CA 94301 (415) 600‑1020
Group practices
Medicare enrollment lists Leland H. Wong as a member of this group (CMS data updated October 2, 2026).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Santa Clara
Clinicians with the same Medicare primary specialty in Santa Clara, CA — not a recommendation.
Other clinicians in Sutter Bay Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1770165573 |
| 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