Doctor profile · Federal record

Dr. John Ko, DO

Gastroenterology Physician · General Practice Physician · Student in an Organized Health Care Education/Training Program · Las Vegas, NV

  • NPI 1033841101
  • 4 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
620 Shadow Ln
Las Vegas, NV 891064119
(702) 388-8436

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
March 30, 2026
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Nevada #DO3792 · Nevada #SL1890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033841101. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$332
Transactions
8
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Sanofi-Aventis U.S. LLC 1 $121.95
AstraZeneca Pharmaceuticals Lp 2 $115.35
Almatica Pharma LLC 1 $23.42
Radius Health, INC. 1 $20.66
Alexion Pharmaceuticals, INC. 1 $17.44
Xeris Pharmaceuticals, INC. 1 $16.77
Merck Sharp & Dohme LLC 1 $16.53

By nature of payment

Food and Beverage
$332

Frequently asked questions

Auto-generated from federal data
What is Dr. John Ko's medical specialty?
Dr. John Ko practices Gastroenterology Physician in Las Vegas, NV.
Where does Dr. John Ko practice?
Dr. John Ko practices at 620 Shadow Ln, Las Vegas, NV 891064119. Office phone: 7023888436.
What is Dr. John Ko's NPI?
Dr. John Ko's National Provider Identifier (NPI) is 1033841101, issued by NPPES.