Doctor profile · Federal record

Dr. Caroline Nguyen, P.A.

Physician Assistant · Orange, CA

  • NPI 1669897047
  • Accepts Medicare
  • MIPS 91.2 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S Bldg 29
Orange, CA 928683201
(714) 456-7005
Additional location
16300 Sand Canyon Ave. Suite 405
Irvine, CA 92618
(949) 825-7650
fax (949) 825-7648
Additional location
720 N Tustin Ave Ste 104
Santa Ana, CA 927053606
(949) 825-7650
fax (949) 825-7648
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
February 2014 — 12 yrs on file
Profile last updated
March 21, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #51442

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669897047. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $14.00

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
249
Patients
195
Total drug cost
$4,593
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 60 38 $1,814
Ciprofloxacin Hcl Generic 45 42 $149
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 45 44 $203
Alfuzosin Hcl Er (Alfuzosin Hcl) Brand 29 17 $1,349
Finasteride Generic 15 11 $298
Gabapentin Generic 15 14 $194
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 15 $40
Oxybutynin Chloride Generic 14 14 $12
Trospium Chloride Generic 11 0 $534

Frequently asked questions

Auto-generated from federal data
What is Dr. Caroline Nguyen's medical specialty?
Dr. Caroline Nguyen practices Physician Assistant in Orange, CA.
Where does Dr. Caroline Nguyen practice?
Dr. Caroline Nguyen practices at 101 the City Dr S Bldg 29, Orange, CA 928683201. Office phone: 7144567005.
What is Dr. Caroline Nguyen's NPI?
Dr. Caroline Nguyen's National Provider Identifier (NPI) is 1669897047, issued by NPPES.
Does Dr. Caroline Nguyen accept Medicare assignment?
Yes. Dr. Caroline Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.