NPPES file of Aug 9, 2026

Chiangyuan Chuck Liau, M.D..

Dermatology Physician · Brea, CA

Chiangyuan Chuck Liau, M.D.. is a dermatology physician with a practice address in Brea, California, and NPI 1891721171, issued on Jun 25, 2006. Check the license (California A31031, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891721171
Name
Chiangyuan Chuck Liau
Credential
M.D..
Primary taxonomy
Dermatology Physician 207N00000X
License number
A31031 CA
Self-reported in NPPES; status is on the state search
Practice location
875 N Brea Blvd, Brea, CA 92821
Phone
(714) 529-6842
Enumerated
Jun 25, 2006
Record last updated
Sep 12, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(714) 256-1728
Medicaid ID
00A310310 CA
Medicare enrollment
Enrolled (PECOS I20061004000436); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →

Also registered at 875 N Brea Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lucyna Ando, SLP-CCCSpeech-Language Pathologist1801377353
  2. Marina Campos, CCC-SLPSpeech-Language Pathologist1043941750
  3. Marjorie Delos AngelesCommunity Health Worker1801920673
  4. Leonie Kawaguchi, COTAOccupational Therapy Assistant1972068096
  5. Elham Khalighi, PHARM-DPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1861364739
  6. Jisun Kim, OTR/LOccupational Therapist1346859592

Verify Chiangyuan Chuck Liau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A31031    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Chiangyuan Chuck Liau among 2,083 dermatology physician records in California

Chiangyuan Chuck Liau, M.D.. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 56% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1972 · median 2006 among the 1,450 with a school on file
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,083 in California → Every provider in Brea → Dermatology Physician nationwide →

The 8 dermatology physician records with the nearest ZIP codes

  1. Renee Cobos, MDBrea, CA 928211801896857
  2. Alexandra Edelman, MDBrea, CA 928211700240249
  3. Zhe Hou, MDBrea, CA 928211760800973
  4. Karen Simpson, MDBrea, CA 928211376544189
  5. Bruce Park, MDFullerton, CA 928311841378825
  6. Edward Aston, M. D.Fullerton, CA 928351710917513
  7. Marina Ball, MDAnaheim, CA 928071003983974
  8. William Baugh, M. D.Fullerton, CA 928351891725602

Common questions

What is Chiangyuan Chuck Liau, M.D..'s NPI number?

Chiangyuan Chuck Liau, M.D..'s National Provider Identifier (NPI) is 1891721171, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chiangyuan Chuck Liau, M.D.. located?

The NPPES record lists a practice address at 875 N Brea Blvd, Brea, CA, 92821. Phone: (714) 529-6842. Providers update this record themselves, so call before visiting.

How can I verify Chiangyuan Chuck Liau, M.D..'s license?

NPPES lists California license number A31031, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.