Doctor profile · Federal record

Dr. Chiangyuan Liau, M.D..

Dermatology Physician (CMS: Dermatology) · Brea, CA

  • NPI 1891721171
  • Accepts Medicare
  • 54 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
875 N Brea Blvd
Brea, CA 928212606
(714) 529-6842
fax (714) 256-1728
Mailing address
Po Box 18704
Irvine, CA 926238704

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 12, 2012
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
California #A31031
Medicaid
CA #00A310310

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891721171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,637
Distinct HCPCS
3
Medicare allowed
$139,364
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,594 43 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 23 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 18 $182

In context: peer comparison

Among 2 peers in this city , average services per provider: 161. This provider delivers 10× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Chiangyuan Liau's medical specialty?
Dr. Chiangyuan Liau practices Dermatology Physician in Brea, CA.
Where does Dr. Chiangyuan Liau practice?
Dr. Chiangyuan Liau practices at 875 N Brea Blvd, Brea, CA 928212606. Office phone: 7145296842.
What is Dr. Chiangyuan Liau's NPI?
Dr. Chiangyuan Liau's National Provider Identifier (NPI) is 1891721171, issued by NPPES.
Does Dr. Chiangyuan Liau accept Medicare assignment?
Yes. Dr. Chiangyuan Liau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chiangyuan Liau commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.