MICHAEL SAMUEL AMSTER (MD) – Pediatrics Physician, NPI 1821097478
Pediatrics Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MICHAEL SAMUEL AMSTER (MD)
Blackwell Park Lane, Blackwell Park, Warrenton, Fauquier County, Virginia, 20188, United States
SUITE 103
WARRENTON, VA 201862685
Phone: (540) 349-3225
Fax: (540) 349-1204
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $397.
Total Amount is formed as General ($397) + Research ($0) + Ownership ($0) = $397.
Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Supernus Pharmaceuticals, Inc. ($137).
Total Amount
$397
General + Research + Ownership
Payments
21
Total payment records
General Amount
$397
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Supernus Pharmaceuticals, Inc. | $137 |
| Corium, LLC | $55 |
| PFIZER INC. | $42 |
| Verrica Pharmaceuticals Inc. | $33 |
| ALK-Abello, Inc | $32 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
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Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 20186)
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