NPPES file of Aug 9, 2026

Michael Constantine, M.D.

Hematology (Internal Medicine) Physician · Milford, MA

Michael Constantine, M.D. is a hematology (internal medicine) physician with a practice address in Milford, Massachusetts, and NPI 1366468415, issued on Jul 14, 2006. Check the license (Massachusetts 75799, 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
1366468415
Name
Michael Constantine
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
75799 MA
Self-reported in NPPES; status is on the state search
Practice location
14 Prospect St, Milford, MA 01757
Phone
(508) 478-2061
Enumerated
Jul 14, 2006
Record last updated
Sep 11, 2025
Fax
(508) 478-7768
Medicaid ID
3138984 MA
Medicare enrollment
Enrolled (PECOS I20060328000297); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1988
Telehealth
Offers telehealth (CMS)
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 14 Prospect St

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

  1. Maureen Allen, PA-CMedical Physician Assistant1306803275
  2. Nitya Ananthakrishnan, M.D.Pediatrics Physician1902190648
  3. Raafat Awad Mousad, M.D.Hospitalist Physician1760402556
  4. Ariel Axelbaum, MDNeurology Physician1629637988
  5. Michael Babcock, M.D.Anesthesiology Physician1134228018
  6. Monzolesso Bagah-Kognagba, MDInternal Medicine Physician1023515996

Verify Michael Constantine 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 75799
    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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2.0 times the Medicare Part D claims of the average hematology (internal medicine) physician in 2024

999 Medicare Part D claims for 224 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims. 75 claims were for opioids.

  1. Michael Constantine999
  2. Specialty average496

Most prescribed

  1. Revlimid67 claims
  2. Prednisone59 claims
  3. Dexamethasone45 claims
  4. Oxycodone Hcl33 claims
  5. Pomalyst33 claims
  6. Nubeqa30 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).

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).

Michael Constantine among 117 hematology (internal medicine) physician records in Massachusetts

Michael Constantine, M.D. 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
  • Graduated1988 · median 2006 among the 77 with a school on file
  • Record last updated2025 · 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. Samer Ibrahim, D.O.Burlington, MA 018051174054159
  2. Tarun Kewalramani, MDBurlington, MA 018051538130570
  3. Arthur Rabinowitz, MDBurlington, MA 018051043308570
  4. Hossein Sadrzadeh, M.D.Burlington, MA 018051508278169
  5. Fei Song, MDBurlington, MA 018051992153183
  6. Neil Weiner, MDBurlington, MA 018051720159395
  7. Alden Gagnon, M.D.Chelmsford, MA 018241912966011
  8. Rachel Borson, MDWorcester, MA 016551699759209

Common questions

What is Michael Constantine, M.D.'s NPI number?

Michael Constantine, M.D.'s National Provider Identifier (NPI) is 1366468415, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Constantine, M.D. located?

The NPPES record lists a practice address at 14 Prospect St, Milford, MA, 01757. Phone: (508) 478-2061. Providers update this record themselves, so call before visiting.

How can I verify Michael Constantine, M.D.'s license?

NPPES lists Massachusetts license number 75799, 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 Michael Constantine, M.D. prescribe under Medicare Part D?

In 2024, Michael Constantine, M.D. had 999 Medicare Part D claims for 224 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.

What is Michael Constantine, M.D.'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.