Doctor profile · Federal record

Dr. Brian Loui, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · San Diego, CA

  • NPI 1801536636
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1809 National Ave
San Diego, CA 921132113
(619) 515-2300
Mailing address
823 Gateway Center Way
San Diego, CA 921024541

Credentials & registration

NPPES · NUCC
NPI registered
March 2022 — 4 yrs on file
Profile last updated
August 25, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A191358

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801536636. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$62
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $33.33
Takeda Pharmaceuticals U.S.A., Inc. 1 $28.43

By nature of payment

Food and Beverage
$62

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$159
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 12 0 $159

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Loui's medical specialty?
Dr. Brian Loui practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Brian Loui practice?
Dr. Brian Loui practices at 1809 National Ave, San Diego, CA 921132113. Office phone: 6195152300.
What is Dr. Brian Loui's NPI?
Dr. Brian Loui's National Provider Identifier (NPI) is 1801536636, issued by NPPES.
Does Dr. Brian Loui accept Medicare assignment?
Yes. Dr. Brian Loui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.