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.
- 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
- Record last updated
- May 20, 2026
- Fax
- (508) 488-2016
- Medicare enrollment
- Enrolled (PECOS I20210524002413); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 20 Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zahra Amiji, PA-CPhysician Assistant1477277135
- Stacey Coyle, P.A.Medical Physician Assistant1467477679
- Emily Joyal, PA-CMedical Physician Assistant1356779631
- Anita Koshy, MDInternal Medicine Physician1033572060
- Stephanie Macausland, M.DRadiation Oncology Physician1740245505
- Marie Morgan, MSW, LICSWClinical Social Worker1669954285
Verify Daniel Fein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 286890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Orgovyx239 claims
- Nubeqa216 claims
- Abiraterone Acetate156 claims
- Xtandi145 claims
- Prednisone98 claims
- 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.
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
- 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
- Janet Abrahm, MDBoston, MA1427024264
- Thomas Abrams, M.D.Boston, MA1184693947
- Jeremy Abramson, MDBoston, MA1740262484
- Nana Addo-Tabiri, MDBoston, MA1942557079
- Adeboye Adewoye, M.D.Boston, MA1316920838
- Andrew Aguirre, MD, PHDBoston, MA1609071208
- Inhye Ahn, M.D.Boston, MA1053632984
- Jean Joseph Thierry AlcindorBoston, MA1578281796
- Syed Ali, MDSpringfield, MA1174751267
- 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), 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.