James Cohen, M.D.
Internal Medicine Physician · Westford, MA
James Cohen, M.D. is an internal medicine physician with a practice address in Westford, Massachusetts, and NPI 1013965003, issued on May 4, 2006. Check the license (Massachusetts 53637, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James Cohen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 53637 MA
Self-reported in NPPES; status is on the state search - Practice location
- 133 Littleton RD, Westford, MA 01886
- Phone
- (978) 577-1946
- Enumerated
- May 4, 2006
- Entity
- Type 1 · individual
Also registered at 133 Littleton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maureen Dinapoli, NPPediatric Nurse Practitioner1659467389
- Joan Eagan, MD, FAAPPediatrics Physician1093702292
Verify James Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% more Medicare Part D claims than the average internal medicine physician in 2024
5,502 Medicare Part D claims for 620 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 235 claims were for opioids.
Most prescribed
- Atorvastatin Calcium461 claims
- Lisinopril313 claims
- Amlodipine Besylate305 claims
- Losartan Potassium300 claims
- Rosuvastatin Calcium247 claims
- Levothyroxine Sodium138 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.
One hospital or facility affiliation
- Mass General Brigham Community Physicians IncWestford, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
7 internal medicine physician records list a Westford practice address
They are 7 of the 349 NPPES records with a Westford practice address, and 7,865 internal medicine physician records in Massachusetts.
All 7 in Westford → All 7,865 in Massachusetts → Every provider in Westford →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Zainab AbbasWorcester, MA1609028000
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Salah Abdelgadir, MDBoston, MA1891280954
- Mahmoud Abdelghany, M.D.Springfield, MA1134479629
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is James Cohen, M.D.'s NPI number?
James Cohen, M.D.'s National Provider Identifier (NPI) is 1013965003, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Cohen, M.D. located?
The NPPES record lists a practice address at 133 Littleton RD, Westford, MA, 01886. Phone: (978) 577-1946. Providers update this record themselves, so call before visiting.
How can I verify James Cohen, M.D.'s license?
NPPES lists Massachusetts license number 53637, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Cohen, M.D. prescribe under Medicare Part D?
In 2024, James Cohen, M.D. had 5,502 Medicare Part D claims for 620 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.