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Orthopedic Surgery

Lis A. Stark, MD

Sees patients in Duarte, CA · California

Summary

Lis A. Stark, MD (Orthopedic Surgery) is enrolled with Medicare at 1 practice location in Duarte, CA. NPI 1306816418. 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 Lis A. Stark, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
48Years since medical school (graduated 1978)
FemaleGender (as listed)

Quick answers

Where does Lis A. Stark see patients?
Medicare's clinician data lists 1 practice location in Duarte, CA. Call before your visit to confirm the address.
What is Lis A. Stark's specialty?
Medicare lists Orthopedic Surgery as the primary specialty, and also Hand Surgery.
Does Lis A. Stark accept Medicare assignment?
Yes. Medicare's clinician data says Lis A. Stark 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 Lis A. Stark?
(626) 357-9931, as listed in official Medicare / NPI Registry data.
What is Lis A. Stark's NPI number?
1306816418. 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 Lis A. Stark is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Duarte

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

All orthopedic surgeons in Duarte →

Clinician information

CredentialMD
Graduation year1978
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306816418
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