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Internal Medicine

Wan Yao, MD

Sees patients in Monterey Park, CA · California

Summary

Wan Yao, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Monterey Park, CA. NPI 1518951649. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Wan Yao, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
MaleGender (as listed)

Quick answers

Where does Wan Yao see patients?
Medicare's clinician data lists 1 practice location in Monterey Park, CA. Call before your visit to confirm the address.
What is Wan Yao's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Wan Yao accept Medicare assignment?
Yes. Medicare's clinician data says Wan Yao accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Wan Yao?
(626) 288-3219, as listed in official Medicare / NPI Registry data.
What is Wan Yao's NPI number?
1518951649. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Wan Yao is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Monterey Park

Clinicians with the same Medicare primary specialty in Monterey Park, CA — not a recommendation.

All internal medicine doctors in Monterey Park →

Clinician information

CredentialMD
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518951649
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians