Doctor profile · Federal record

Dr. John Welch, MD, PHD

Pediatric Hematology & Oncology Physician · Hematology & Oncology Physician · Dulles, VA

  • NPI 1326423260
  • 11 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2040 Antananarivo Pl
Dulles, VA 201892039
(314) 266-8426

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Specialty taxonomy
2080P0207X — NUCC code
State license (1)
Pennsylvania #MD071820L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326423260. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 2 $39.61

By nature of payment

Food and Beverage
$40

Frequently asked questions

Auto-generated from federal data
What is Dr. John Welch's medical specialty?
Dr. John Welch practices Pediatric Hematology & Oncology Physician in Dulles, VA.
Where does Dr. John Welch practice?
Dr. John Welch practices at 2040 Antananarivo Pl, Dulles, VA 201892039. Office phone: 3142668426.
What is Dr. John Welch's NPI?
Dr. John Welch's National Provider Identifier (NPI) is 1326423260, issued by NPPES.