Doctor profile · Federal record

Dr. Peter Nguyen-Dang, MD

Internal Medicine Physician (CMS: Internal Medicine) · Westminster, CA

  • NPI 1710449822
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
14536 Brookhurst St Ste 102
Westminster, CA 926835788
(714) 531-2548
Additional location
400 N Pepper Ave
Colton, CA 923241801
(909) 580-1000

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
October 3, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A178332

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710449822. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35
Distinct HCPCS
1
Medicare allowed
$2,818
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 18 $81

In context: peer comparison

Among 13 peers in Westminster Internal Medicine Physician, average services per provider: 331. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$255
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 1 $107.95
Gilead Sciences, INC. 3 $89.93
Exact Sciences Corporation 1 $32.22
Mylan Specialty L.P. 1 $25.31

By nature of payment

Food and Beverage
$255

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,060
Patients
402
Total drug cost
$88,242
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 172 65 $4,000
Metformin Hcl Generic 108 36 $1,996
Amlodipine Besylate Generic 102 45 $1,660
Diclofenac Sodium Generic 99 38 $6,195
Fluticasone Propionate Generic 86 33 $1,557
Losartan Potassium Generic 72 26 $1,476
Finasteride Generic 71 25 $1,299
Jardiance (Empagliflozin) Brand 61 12 $64,964
Tamsulosin Hcl Generic 55 19 $692
Pantoprazole Sodium Generic 43 26 $447

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Nguyen-Dang's medical specialty?
Dr. Peter Nguyen-Dang practices Internal Medicine Physician in Westminster, CA.
Where does Dr. Peter Nguyen-Dang practice?
Dr. Peter Nguyen-Dang practices at 14536 Brookhurst St Ste 102, Westminster, CA 926835788. Office phone: 7145312548.
What is Dr. Peter Nguyen-Dang's NPI?
Dr. Peter Nguyen-Dang's National Provider Identifier (NPI) is 1710449822, issued by NPPES.
Does Dr. Peter Nguyen-Dang accept Medicare assignment?
Yes. Dr. Peter Nguyen-Dang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Nguyen-Dang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.