NPPES file of Aug 9, 2026

Daniel Fein, M.D.

Medical Oncology Physician · Milford, MA

Daniel Fein, M.D. is a medical oncology physician with a practice address in Milford, Massachusetts, and NPI 1053791707, issued on Jun 8, 2015. Check the license (Massachusetts 286890, 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, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053791707
Name
Daniel Fein
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
286890 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Prospect St, Milford, MA 01757
Phone
(508) 488-3700
Enumerated
Jun 8, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 20 Prospect St

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

  1. Zahra Amiji, PA-CPhysician Assistant1477277135
  2. Stacey Coyle, P.A.Medical Physician Assistant1467477679
  3. Emily Joyal, PA-CMedical Physician Assistant1356779631
  4. Anita Koshy, MDInternal Medicine Physician1033572060
  5. Stephanie Macausland, M.DRadiation Oncology Physician1740245505
  6. Marie Morgan, MSW, LICSWClinical Social Worker1669954285

Verify Daniel Fein 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 286890
    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

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73% more Medicare Part D claims than the average medical oncology physician in 2024

1,219 Medicare Part D claims for 126 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims. 23 claims were for opioids.

  1. Daniel Fein1,219
  2. Specialty average703

Most prescribed

  1. Orgovyx239 claims
  2. Nubeqa216 claims
  3. Abiraterone Acetate156 claims
  4. Xtandi145 claims
  5. Prednisone98 claims
  6. Dexamethasone44 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.

Industry payments in 2024: $114.92

3 payments; by number, the most common kind was food and beverage; the largest payer was Macrogenics, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Daniel Fein$115
  2. Specialty average$11,773

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.Milford, MA

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

Medical Oncology Physician providers in Massachusetts

There are 421 medical oncology physician records in Massachusetts.

Other medical oncology physician records in Massachusetts

  1. Janet Abrahm, MDBoston, MA1427024264
  2. Thomas Abrams, M.D.Boston, MA1184693947
  3. Jeremy Abramson, MDBoston, MA1740262484
  4. Nana Addo-Tabiri, MDBoston, MA1942557079
  5. Adeboye Adewoye, M.D.Boston, MA1316920838
  6. Andrew Aguirre, MD, PHDBoston, MA1609071208
  7. Inhye Ahn, M.D.Boston, MA1053632984
  8. Jean Joseph Thierry AlcindorBoston, MA1578281796
  9. Syed Ali, MDSpringfield, MA1174751267
  10. Jill Allen, M.D.Boston, MA1285671453

Common questions

What is Daniel Fein, M.D.'s NPI number?

Daniel Fein, M.D.'s National Provider Identifier (NPI) is 1053791707, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Fein, M.D. located?

The NPPES record lists a practice address at 20 Prospect St, Milford, MA, 01757. Phone: (508) 488-3700. Providers update this record themselves, so call before visiting.

How can I verify Daniel Fein, M.D.'s license?

NPPES lists Massachusetts license number 286890, 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 Daniel Fein, M.D. prescribe under Medicare Part D?

In 2024, Daniel Fein, M.D. had 1,219 Medicare Part D claims for 126 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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 27, 2026.