Doctor profile · Federal record

Dr. Pei-Chi Wu, D.O.

Family Medicine Physician (CMS: Family Practice) · Diamond Bar, CA

  • NPI 1669706453
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2020 S Brea Canyon RD Ste A1
Diamond Bar, CA 917654012
(909) 861-6853
fax (909) 963-1796

Credentials & registration

NPPES · NUCC
NPI registered
September 2009 — 17 yrs on file
Profile last updated
February 23, 2015
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A10934

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669706453. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
4
Medicare allowed
$12,201
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 40 26 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 35 25 $80
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 12 12 $178
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 12 12 $140

In context: peer comparison

Among 8 peers in Diamond Bar Family Medicine Physician, average services per provider: 91. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$357
Transactions
9
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 9 $357.23

By nature of payment

Food and Beverage
$357

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,324
Patients
663
Total drug cost
$41,276
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 375 106 $6,357
Losartan Potassium Generic 327 87 $5,163
Amlodipine Besylate Generic 278 73 $3,093
Levothyroxine Sodium Generic 173 39 $3,451
Metformin Hcl Generic 173 47 $2,487
Rosuvastatin Calcium Generic 171 44 $5,143
Omeprazole Generic 110 41 $1,951
Quetiapine Fumarate Generic 100 18 $1,474
Fluticasone Propionate Generic 98 46 $1,445
Valsartan Generic 98 28 $4,522

Frequently asked questions

Auto-generated from federal data
What is Dr. Pei-Chi Wu's medical specialty?
Dr. Pei-Chi Wu practices Family Medicine Physician in Diamond Bar, CA.
Where does Dr. Pei-Chi Wu practice?
Dr. Pei-Chi Wu practices at 2020 S Brea Canyon RD Ste A1, Diamond Bar, CA 917654012. Office phone: 9098616853.
What is Dr. Pei-Chi Wu's NPI?
Dr. Pei-Chi Wu's National Provider Identifier (NPI) is 1669706453, issued by NPPES.
Does Dr. Pei-Chi Wu accept Medicare assignment?
Yes. Dr. Pei-Chi Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Pei-Chi Wu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS G0438). Source: CMS Medicare Physician & Other Practitioners file.