Robert E. Antosia
Emergency Medicine Physician · Boston, MA
Robert E. Antosia is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1275576928, issued on Jun 13, 2006. Check the license (Massachusetts 75742, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert E. Antosia
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 75742 MA
Self-reported in NPPES; status is on the state search - Practice location
- Beth Isreal Deaconess Medical Center, Boston, MA 02215
- Phone
- (617) 667-7000
- Enumerated
- Jun 13, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Verify Robert E. Antosia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 75742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs
108 Medicare Part D claims for 29 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Abrysvo16 claims
- Ondansetron Odt15 claims
- Rizatriptan13 claims
- Lamotrigine12 claims
- Minoxidil12 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.
Robert E. Antosia among 1,829 emergency medicine physician records in Massachusetts
Robert E. Antosia is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 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 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Philip Anderson, M.D.Boston, MA 022151477540235
- Susan Bartels, MDBoston, MA 022151801852561
- Wende Buras, M.D.Boston, MA 022151376500587
- Jonathan Burstein, M.D.Boston, MA 022151740227461
- Jonathan Edlow, M.D.Boston, MA 022151962449165
- Jonathan Fisher, M.D.Boston, MA 022151437199973
- Michael Ganetsky, M.D.Boston, MA 022151053394288
- Sean Kelly, M.D.Boston, MA 022151265479927
Common questions
What is Robert E. Antosia's NPI number?
Robert E. Antosia's National Provider Identifier (NPI) is 1275576928, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert E. Antosia located?
The NPPES record lists a practice address at Beth Isreal Deaconess Medical Center, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.
How can I verify Robert E. Antosia's license?
NPPES lists Massachusetts license number 75742, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert E. Antosia prescribe under Medicare Part D?
In 2024, Robert E. Antosia had 108 Medicare Part D claims for 29 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.