Doctor profile · Federal record

Dr. Thien Nguyen, DO

Sleep Medicine (Family Medicine) Physician (CMS: Sleep Medicine) · Torrance, CA

  • NPI 1245855949
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3701 Skypark Dr Ste 200
Torrance, CA 905054749
(310) 378-8900
fax (310) 791-0789
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
June 2020 — 6 yrs on file
Profile last updated
August 5, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207QS1201X — NUCC code
State license (1)
California #20A20727

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245855949. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$567
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, Inc. 2 $567.26

By nature of payment

Food and Beverage
$567

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
367
Patients
11
Total drug cost
$18,960
Drug Type Claims Patients Total cost
Lisinopril Generic 42 0 $398
Atorvastatin Calcium Generic 36 11 $523
Nifedipine Er (Nifedipine) Brand 33 0 $1,617
Gabapentin Generic 32 0 $848
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 26 0 $471
Losartan Potassium Generic 26 0 $409
Tamsulosin Hcl Generic 24 0 $323
Metoprolol Succinate Generic 22 0 $266
Clopidogrel (Clopidogrel Bisulfate) Brand 19 0 $364
Fluoxetine Hcl Generic 19 0 $179

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thien Nguyen's medical specialty?
Dr. Thien Nguyen practices Sleep Medicine (Family Medicine) Physician in Torrance, CA.
Where does Dr. Thien Nguyen practice?
Dr. Thien Nguyen practices at 3701 Skypark Dr Ste 200, Torrance, CA 905054749. Office phone: 3103788900.
What is Dr. Thien Nguyen's NPI?
Dr. Thien Nguyen's National Provider Identifier (NPI) is 1245855949, issued by NPPES.
Does Dr. Thien Nguyen accept Medicare assignment?
Yes. Dr. Thien Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.