Doctor profile · Federal record

Dr. Joshua Ahn, MD

Psychiatry Physician · Student in an Organized Health Care Education/Training Program · Colton, CA

  • NPI 1528755816
  • 3 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 N Pepper Ave
Colton, CA 923241801
(510) 525-6927

Credentials & registration

NPPES · NUCC
NPI registered
April 2023 — 3 yrs on file
Profile last updated
September 8, 2025
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #204854

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528755816. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$110
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alkermes, Inc. 1 $109.53

By nature of payment

Food and Beverage
$110

Frequently asked questions

Auto-generated from federal data
What is Dr. Joshua Ahn's medical specialty?
Dr. Joshua Ahn practices Psychiatry Physician in Colton, CA.
Where does Dr. Joshua Ahn practice?
Dr. Joshua Ahn practices at 400 N Pepper Ave, Colton, CA 923241801. Office phone: 5105256927.
What is Dr. Joshua Ahn's NPI?
Dr. Joshua Ahn's National Provider Identifier (NPI) is 1528755816, issued by NPPES.