Doctor profile · Federal record

Dr. Brian Mendoza

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

  • NPI 1316444946
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-8888
Additional location
1411 E 31St St Fl 2
Oakland, CA 946021018
(510) 437-5039
fax (510) 535-7313
Mailing address
200 S Manchester Ave
Orange, CA 928683217

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
June 3, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A167197

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316444946. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$168
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 2 $167.71

By nature of payment

Food and Beverage
$168

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
19
Patients
0
Total drug cost
$28,949
Drug Type Claims Patients Total cost
Vemlidy (Tenofovir Alafenamide) Brand 19 0 $28,949

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Mendoza's medical specialty?
Dr. Brian Mendoza practices Internal Medicine Physician in Orange, CA.
Where does Dr. Brian Mendoza practice?
Dr. Brian Mendoza practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144568888.
What is Dr. Brian Mendoza's NPI?
Dr. Brian Mendoza's National Provider Identifier (NPI) is 1316444946, issued by NPPES.
Does Dr. Brian Mendoza accept Medicare assignment?
Yes. Dr. Brian Mendoza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.