Donald M. Foxworthy, MD
Internal Medicine Physician · Boston, MA
Donald M. Foxworthy, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1558336289, issued on Feb 17, 2006. Check the license (Massachusetts 53686, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Donald M. Foxworthy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 53686 MA
Self-reported in NPPES; status is on the state search - Practice location
- 133 Brookline Ave, Boston, MA 02215
- Phone
- (617) 421-5804
- Enumerated
- Feb 17, 2006
- Record last updated
- Dec 21, 2023
- Fax
- (617) 421-8865
- Medicaid IDs
- 3104290 MA
110052441A MA - Medicare enrollment
- Enrolled (PECOS I20050406000298); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1981
- Entity
- Type 1 · individual
Also registered at 133 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shari Abramowitz, M.D.Pediatrics Physician1558346593
- Maansi AgheraAudiologist1225887292
- Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
- Marina Alfisher, MDDiagnostic Radiology Physician1417925207
- Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
- Dana An, LCSWClinical Social Worker1215108238
Verify Donald M. Foxworthy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
103 Medicare Part D claims for 47 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of 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.
Bills Medicare through one group practice
- Codman Square Health Center, IncDorchester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 2,320 in Boston → All 6,825 in Massachusetts → Every provider in Boston →
Other internal medicine physician records in Massachusetts
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- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Donald M. Foxworthy, MD's NPI number?
Donald M. Foxworthy, MD's National Provider Identifier (NPI) is 1558336289, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald M. Foxworthy, MD located?
The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-5804. Providers update this record themselves, so call before visiting.
How can I verify Donald M. Foxworthy, MD's license?
NPPES lists Massachusetts license number 53686, 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 Donald M. Foxworthy, MD prescribe under Medicare Part D?
In 2024, Donald M. Foxworthy, MD had 103 Medicare Part D claims for 47 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.