David A. Epstein, M.D.
Internal Medicine Physician · Somerville, MA
David A. Epstein, M.D. is an internal medicine physician with a practice address in Somerville, Massachusetts, and NPI 1396753067, issued on Aug 4, 2006. Check the license (Massachusetts 150413, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David A. Epstein
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 150413 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Broadway, Somerville, MA 02145
- Phone
- (617) 284-7000
- Enumerated
- Aug 4, 2006
- Record last updated
- Nov 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 3158951 MA
- Medicare enrollment
- Enrolled (PECOS I20050902000074); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 300 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley AmarRegistered Nurse1184469769
- Uilst Bat-Erdene, MDFamily Medicine Physician1235985342
- Jessamyn Blau, MDInternal Medicine Physician1376960690
- Barbara Bowe, RNRegistered Nurse1629376959
- Laura BrightmanInternal Medicine Physician1801970546
- Casey Callahan, MDFamily Medicine Physician1225657919
Verify David A. Epstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 150413Check 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
6,281 Medicare Part D claims for 386 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 241 claims were for opioids.
Most prescribed
- Atorvastatin Calcium441 claims
- Amlodipine Besylate240 claims
- Lisinopril216 claims
- Omeprazole206 claims
- Metoprolol Succinate187 claims
- Metformin Hcl Er156 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
- Cambridge Public Health CommissionSomerville, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Epstein among 6,825 internal medicine physician records in Massachusetts
David A. Epstein, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2004 among the 4,103 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Somerville
They are 36 of the 1,860 NPPES records with a practice address in Somerville, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Somerville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jessamyn Blau, MDSomerville, MA 021451376960690
- Laura BrightmanSomerville, MA 021451801970546
- Luis Henkel, M.D.Somerville, MA 021451578787248
- Jonathan Holder, DO,MPHSomerville, MA 021451629166244
- Patrick Leong, DOSomerville, MA 021451447237003
- Rebecca Rogers, M.D.Somerville, MA 021451205120862
- Brian Smerkers, MDSomerville, MA 021451497140305
- Bonni Stahl, MDSomerville, MA 021451568756062
Common questions
What is David A. Epstein, M.D.'s NPI number?
David A. Epstein, M.D.'s National Provider Identifier (NPI) is 1396753067, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Epstein, M.D. located?
The NPPES record lists a practice address at 300 Broadway, Somerville, MA, 02145. Phone: (617) 284-7000. Providers update this record themselves, so call before visiting.
How can I verify David A. Epstein, M.D.'s license?
NPPES lists Massachusetts license number 150413, 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 David A. Epstein, M.D. prescribe under Medicare Part D?
In 2024, David A. Epstein, M.D. had 6,281 Medicare Part D claims for 386 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.