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Internal Medicine

Alice H. Tan, MD

Sees patients in Issaquah, WA · Lakewood, WA · Washington

Summary

Dr. Alice H. Tan, MD is an internal medicine doctor at 18700 SE 65th Pl, Issaquah, WA 98027. May accept Medicare assignment. NPI 1164144549. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 18700 SE 65th Pl, Issaquah, WA 98027 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • 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 Alice H. Tan, 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 Alice H. Tan accept Medicare assignment?
Medicare's clinician data says Alice H. Tan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Alice H. Tan's NPI number?
1164144549. 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 Alice H. Tan is enrolled with Medicare (CMS data updated October 2, 2026).

  • 18700 SE 65th PlIssaquah, WA 98027
  • 8511 S Tacoma Way, Suite 200Lakewood, WA 98499

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Issaquah

Clinicians with the same Medicare primary specialty in Issaquah, WA — not a recommendation.

All internal medicine doctors in Issaquah →

Clinician information

CredentialMD
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1164144549
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. 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