NPPES file of Aug 9, 2026

Michael Sean Antonis, DO

Sports Medicine (Emergency Medicine) Physician · Ashburn, VA

Michael Sean Antonis, DO is a sports medicine (emergency medicine) physician with a practice address in Ashburn, Virginia, and NPI 1760429476, issued on Jun 1, 2006. Check the license (Virginia 0102204828, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760429476
Name
Michael Sean Antonis
Credential
DO
Primary taxonomy
Sports Medicine (Emergency Medicine) Physician 207PS0010X
License numbers
0102204828 VA
DO034203 DC
Self-reported in NPPES; status is on the state search
Practice location
20041 Riverside Commons Plaza, Ashburn, VA 20147
Phone
(703) 466-0447
Enumerated
Jun 1, 2006
Record last updated
Apr 13, 2023
Fax
(703) 810-5313
Medicare enrollment
Enrolled (PECOS I20060726000265); accepts Medicare assignment
Medical or professional school
Chicago College Of Osteopathy, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 20041 Riverside Commons Plaza

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cameron MurphyOrthopaedic Surgery Physician1194216952
  2. Scott RhodesPhysical Therapist1023739554

Verify Michael Sean Antonis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0102204828
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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1% fewer Medicare Part D claims than the average sports medicine (emergency medicine) physician in 2024

224 Medicare Part D claims for 139 beneficiaries, against an average of 227 among the 145 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Michael Antonis224
  2. Specialty average227

Most prescribed

  1. Meloxicam121 claims
  2. Diclofenac Sodium24 claims
  3. Diazepam20 claims
  4. Oxycodone-Acetaminophen18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score67.2
  2. Costout of 100 · 30%54.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Orthovirginia IncNorth Chesterfield, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sports Medicine (Emergency Medicine) Physician providers in Virginia

There are 8 sports medicine (emergency medicine) physician records in Virginia.

The 7 sports medicine (emergency medicine) physician records with the nearest ZIP codes

  1. Kush PatelSterling, VA 201661548608565
  2. Garrett Farmerie, MS, LAT, ATCCentreville, VA 201211912727686
  3. Bronson Delasobera, MDMc Lean, VA 221011255599742
  4. Daniel RiscoAlexandria, VA 223061538825278
  5. Deborah Natale, MDWinchester, VA 226011659363059
  6. Vanessa Trono, ATCHarrisonburg, VA 228071366454472
  7. Erin Seabrook, LAT, ATCRichmond, VA 232301609340306

Common questions

What is Michael Sean Antonis, DO's NPI number?

Michael Sean Antonis, DO's National Provider Identifier (NPI) is 1760429476, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Sean Antonis, DO located?

The NPPES record lists a practice address at 20041 Riverside Commons Plaza, Ashburn, VA, 20147. Phone: (703) 466-0447. Providers update this record themselves, so call before visiting.

How can I verify Michael Sean Antonis, DO's license?

NPPES lists Virginia license number 0102204828, 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.

How much does Michael Sean Antonis, DO prescribe under Medicare Part D?

In 2024, Michael Sean Antonis, DO had 224 Medicare Part D claims for 139 beneficiaries; the average among sports medicine (emergency medicine) physician prescribers was 227. Part D covers Medicare prescriptions only.

What is Michael Sean Antonis, DO's MIPS final score?

The 2023 MIPS final score is 76.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.