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Dermatology

Helen Liu, MD

Sees patients in Lake Oswego, OR · Oregon

Summary

Helen Liu, MD (Dermatology) is enrolled with Medicare at 1 practice location in Lake Oswego, OR. NPI 1801022876. 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 Helen Liu, 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

DermatologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Stanford University School Of MedicineMedical school
FemaleGender (as listed)
Lake Oswego Dermatology Group PCGroup practice

Quick answers

Where does Helen Liu see patients?
Medicare's clinician data lists 1 practice location in Lake Oswego, OR. Call before your visit to confirm the address.
What is Helen Liu's specialty?
Medicare lists Dermatology as the primary specialty.
Does Helen Liu accept Medicare assignment?
Yes. Medicare's clinician data says Helen Liu 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 Helen Liu?
(503) 635-9221, as listed in official Medicare / NPI Registry data.
What is Helen Liu's NPI number?
1801022876. 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 Helen Liu is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Helen Liu as a member of this group (CMS data updated 2026-10-02).

  • Lake Oswego Dermatology Group PC4 clinicians in the group

Specialties

Find other Dermatology doctors in Oregon →

Other dermatologists in Lake Oswego

Clinicians with the same Medicare primary specialty in Lake Oswego, OR — not a recommendation.

All dermatologists in Lake Oswego →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801022876
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