Doctor profile · Federal record

Dr. Yuen Chau

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Salem, OR

  • NPI 1255427449
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2020 Capitol St Ne, Salem Clinic, Attn: Michael Siebler, Billing Specialist
Salem, OR 973010644
(503) 399-2424

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
January 20, 2010
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Washington #MD00038487
Medicaid
WA #8252942

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255427449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
74
Distinct HCPCS
3
Medicare allowed
$6,086
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 39 26 $87
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $107
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 15 15 $37

In context: peer comparison

Among 7 peers in Salem Obstetrics & Gynecology Physician, average services per provider: 25. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
146
Patients
53
Total drug cost
$26,479
Drug Type Claims Patients Total cost
Estradiol Generic 53 19 $5,414
Oxybutynin Chloride Generic 18 0 $354
Triamcinolone Acetonide Generic 14 12 $177
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 11 $44
Clobetasol Propionate Generic 12 0 $346
Medroxyprogesterone Acetate Generic 12 0 $206
Myrbetriq (Mirabegron) Brand 12 0 $13,939
Premarin (Estrogens, Conjugated) Brand 12 11 $5,997

Frequently asked questions

Auto-generated from federal data
What is Dr. Yuen Chau's medical specialty?
Dr. Yuen Chau practices Obstetrics & Gynecology Physician in Salem, OR.
Where does Dr. Yuen Chau practice?
Dr. Yuen Chau practices at 2020 Capitol St Ne, Salem, OR 973010644. Office phone: 5033992424.
What is Dr. Yuen Chau's NPI?
Dr. Yuen Chau's National Provider Identifier (NPI) is 1255427449, issued by NPPES.
Does Dr. Yuen Chau accept Medicare assignment?
Yes. Dr. Yuen Chau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yuen Chau commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.