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Dermatology

Wennie C. Liao, MD

Sees patients in Los Gatos, CA · San Jose, CA · Soquel, CA … · California

Summary

Dr. Wennie C. Liao, MD is a dermatologist at 15720 Winchester Blvd, Los Gatos, CA 95030. Phone: (408) 934-7000. Accepts Medicare assignment. In 2024, Wennie C. Liao had 655 Original Medicare patients and 3,680 services. NPI 1710967310. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 15720 Winchester Blvd, Los Gatos, CA 95030 · Directions (5 more locations)
  • Phone: (408) 934‑7000
  • Medicare: Accepts Medicare assignment
  • Group practice: Sutter Bay Medical Foundation
  • Medical school: University Of Michigan Medical School · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Wennie C. Liao, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Wennie C. Liao accept Medicare assignment?
Yes. Medicare's clinician data says Wennie C. Liao 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 Wennie C. Liao see?
In 2024, CMS data shows 655 Original Medicare patients and 3,680 services for Wennie C. Liao. This counts Original Medicare only and measures volume, not quality.
What is Wennie C. Liao's NPI number?
1710967310. 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 Wennie C. Liao, 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 patients655
Services billed to Medicare3,680
Different services or procedures51
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)1,456 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)663 services
  3. Destruction of precancer skin growth, 1 growth (17000)448 services
  4. Biopsy of related skin growth, first growth (11102)224 services
  5. Destruction of skin growth, 1-14 growths (17110)199 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 cholesterol70%
  • High blood pressure55%
  • Arthritis38%
  • Osteoporosis19%
  • Ischemic heart disease16%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)16%

Practice locations

Addresses where Wennie C. Liao is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Wennie C. Liao as a member of this group (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in Los Gatos

Clinicians with the same Medicare primary specialty in Los Gatos, CA — not a recommendation.

All dermatologists in Los Gatos →

Other clinicians in Sutter Bay Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710967310
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians