NPPES file of Aug 9, 2026

Joseph Harry Antin, MD

Hematology (Internal Medicine) Physician · Boston, MA

Joseph Harry Antin, MD is a hematology (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1861469249, issued on Mar 3, 2006. Check the license (Massachusetts 55573, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1861469249
Name
Joseph Harry Antin
Credential
MD
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
55573 MA
Self-reported in NPPES; status is on the state search
Practice location
450 Brookline Ave, Boston, MA 02215
Phone
(617) 632-3667
Enumerated
Mar 3, 2006
Record last updated
May 11, 2026
Fax
(617) 632-5175
Medicare enrollment
Enrolled (PECOS I20050325000300); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1978
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 450 Brookline Ave

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

  1. Gregory Abel, MDHematology & Oncology Physician1285611954
  2. Lara Abousamra, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851183404
  3. Karley Adams, PAPhysician Assistant1578261764
  4. Lauren Adams, PA-CPhysician Assistant1902763469
  5. Ana Aguilar-Bonilla, M.D.Pediatric Hematology & Oncology Physician1023319761
  6. Andrew Aguirre, MD, PHDMedical Oncology Physician1609071208

Verify Joseph Harry Antin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 55573
    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 Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024

520 Medicare Part D claims for 78 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Joseph Antin520
  2. Specialty average496

Most prescribed

  1. Jakafi80 claims
  2. Rezurock65 claims
  3. Sulfamethoxazole-Trimethoprim62 claims
  4. Acyclovir48 claims
  5. Prednisone32 claims
  6. Ursodiol23 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): 86.3 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 score69.4
  2. Costnot scored (reweighted)
  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).

Industry payments in 2024: $18,359.57

23 payments; by number, the most common kind was consulting fee; the largest payer was Janssen Research & Development, LLC. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Antin$18,360
  2. Specialty average$13,778

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Dana-Farber Cancer Institute, Inc.Boston, MA

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

Joseph Harry Antin among 117 hematology (internal medicine) physician records in Massachusetts

Joseph Harry Antin, MD is one of 117 hematology (internal medicine) physician records with a practice address in Massachusetts. 77% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 50% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1978 · median 2006 among the 77 with a school on file
  • Record last updated2026 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in Massachusetts

There are 117 hematology (internal medicine) physician records in Massachusetts.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Nancy Berliner, MDBoston, MA 022151609855576
  2. Jorge Castillo, MDBoston, MA 022151689891129
  3. Joan Goldberg, MDBoston, MA 022151568558039
  4. Monique Hartley-Brown, M.D.Boston, MA 022151992904387
  5. Robin Marie Joyce, M.D.Boston, MA 022151659318350
  6. John Koreth, MBBS DPHILBoston, MA 022151396706503
  7. James Levine, M.D.Boston, MA 022151275573701
  8. Jessica Liegel, M.D.Boston, MA 022151700027000

Common questions

What is Joseph Harry Antin, MD's NPI number?

Joseph Harry Antin, MD's National Provider Identifier (NPI) is 1861469249, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Harry Antin, MD located?

The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-3667. Providers update this record themselves, so call before visiting.

How can I verify Joseph Harry Antin, MD's license?

NPPES lists Massachusetts license number 55573, 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 Joseph Harry Antin, MD prescribe under Medicare Part D?

In 2024, Joseph Harry Antin, MD had 520 Medicare Part D claims for 78 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.

What is Joseph Harry Antin, MD's MIPS final score?

The 2023 MIPS final score is 86.3 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.