Doctor profile · Federal record

Dr. John Leong, MD

Student in an Organized Health Care Education/Training Program · Hattiesburg, MS

  • NPI 1659958239
  • 5 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5001 Hardy St
Hattiesburg, MS 394021308
(601) 296-3963
Mailing address
3056 Numana RD
Honolulu, HI 968192905

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Specialty taxonomy
390200000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659958239. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $125.00

By nature of payment

Food and Beverage
$125

Frequently asked questions

Auto-generated from federal data
What is Dr. John Leong's medical specialty?
Dr. John Leong practices Student in an Organized Health Care Education/Training Program in Hattiesburg, MS.
Where does Dr. John Leong practice?
Dr. John Leong practices at 5001 Hardy St, Hattiesburg, MS 394021308. Office phone: 6012963963.
What is Dr. John Leong's NPI?
Dr. John Leong's National Provider Identifier (NPI) is 1659958239, issued by NPPES.