Michael Samuel Amster, MD
Pediatrics Physician · Warrenton, VA
Michael Samuel Amster, MD is a pediatrics physician with a practice address in Warrenton, Virginia, and NPI 1821097478, issued on Jul 17, 2005. Check the license (Virginia 0101231776, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Samuel Amster
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 0101231776 VA
Self-reported in NPPES; status is on the state search - Practice location
- 28 Blackwell Park LN, Warrenton, VA 20186
- Phone
- (540) 349-3225
- Enumerated
- Jul 17, 2005
- Record last updated
- Aug 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (540) 349-1204
- Medicaid ID
- 1023133410 VA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,002 in Virginia → Look up another NPI →
Also registered at 28 Blackwell Park LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Samuel Amster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101231776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $252.55
13 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael Samuel Amster among 2,002 pediatrics physician records in Virginia
Michael Samuel Amster, MD is one of 2,002 pediatrics physician records with a practice address in Virginia. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Virginia
There are 2,002 pediatrics physician records in Virginia.
All 2,002 in Virginia → Every provider in Warrenton → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Katherine Bovee, M.D.Warrenton, VA 201861740419415
- Diana Chalmeta, M.D.Warrenton, VA 201861265406359
- Maria Juanpere, M.D., M.S., F.A.A.P.Warrenton, VA 201861598730475
- Dennis Rustom, M.D., F.A.A.P.Warrenton, VA 201861497720361
- Gurinder Dabhia, M.DReston, VA 201901801885322
- Anthony Dipaola, M.D.Reston, VA 201901922069228
- Kenneth Harkavy, MDReston, VA 201901497739254
- Stephen Harrison, M.D.Reston, VA 201901750342333
Common questions
What is Michael Samuel Amster, MD's NPI number?
Michael Samuel Amster, MD's National Provider Identifier (NPI) is 1821097478, issued on Jul 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Samuel Amster, MD located?
The NPPES record lists a practice address at 28 Blackwell Park LN, Warrenton, VA, 20186. Phone: (540) 349-3225. Providers update this record themselves, so call before visiting.
How can I verify Michael Samuel Amster, MD's license?
NPPES lists Virginia license number 0101231776, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.