Doctor profile · Federal record

Dr. Michael Amster, MD

Pediatrics Physician · Warrenton, VA

  • NPI 1821097478
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
28 Blackwell Park Ln, Suite 103
Warrenton, VA 201862685
(540) 349-3225
fax (540) 349-1204

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
August 13, 2012
Specialty taxonomy
208000000X — NUCC code
State license (1)
Virginia #0101231776
Medicaid
VA #1023133410

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821097478. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$253
Transactions
13
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, INC. 4 $74.56
Corium, LLC 2 $55.10
Verrica Pharmaceuticals INC. 2 $32.95
Pfizer INC. 2 $27.28
Merck Sharp & Dohme LLC 1 $24.18
Ironshore Pharmaceuticals INC. 1 $22.55
Cranial Technologies, INC 1 $15.93

By nature of payment

Food and Beverage
$253

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Amster's medical specialty?
Dr. Michael Amster practices Pediatrics Physician in Warrenton, VA.
Where does Dr. Michael Amster practice?
Dr. Michael Amster practices at 28 Blackwell Park Ln, Warrenton, VA 201862685. Office phone: 5403493225.
What is Dr. Michael Amster's NPI?
Dr. Michael Amster's National Provider Identifier (NPI) is 1821097478, issued by NPPES.