Elizabeth Rosen, M.D.
Internal Medicine Physician · Lexington, MA
Elizabeth Rosen, M.D. is an internal medicine physician with a practice address in Lexington, Massachusetts, and NPI 1073049797, issued on May 2, 2017. Check the license (Massachusetts 282284, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Rosen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 282284 MA
Self-reported in NPPES; status is on the state search - Practice location
- 24 Hartwell Ave Ste 204, Lexington, MA 02421
- Phone
- (781) 862-3800
- Enumerated
- May 2, 2017
- Record last updated
- Sep 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200803003025); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2017
- 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 24 Hartwell Ave Ste 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margot HartunianInternal Medicine Physician1154312791
- Julia Port, LMHCCounselor1922502426
Verify Elizabeth Rosen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 282284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,685 Medicare Part D claims for 368 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium271 claims
- Levothyroxine Sodium140 claims
- Amlodipine Besylate128 claims
- Lisinopril122 claims
- Omeprazole91 claims
- Hydrochlorothiazide88 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
- Medical Care OF Boston Management CorporationNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Rosen among 6,825 internal medicine physician records in Massachusetts
Elizabeth Rosen, 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2004 among the 4,103 with a school on file
- Record last updated2021 · 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 Lexington
They are 36 of the 1,467 NPPES records with a practice address in Lexington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lexington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Abreu, M.D.Lexington, MA 024211790758266
- Gail Corson, MDLexington, MA 024211750314563
- Jennifer Daley, M.D.Lexington, MA 024211508923574
- Morris Dratch, M.D.Lexington, MA 024211760583108
- Daniel Erler, MD MPHLexington, MA 024211598716862
- Elaine Grunberg, M.D.Lexington, MA 024211922249218
- Eric Guardino, M.D.Lexington, MA 024211497880207
- Margot HartunianLexington, MA 024211154312791
Common questions
What is Elizabeth Rosen, M.D.'s NPI number?
Elizabeth Rosen, M.D.'s National Provider Identifier (NPI) is 1073049797, issued on May 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Rosen, M.D. located?
The NPPES record lists a practice address at 24 Hartwell Ave Ste 204, Lexington, MA, 02421. Phone: (781) 862-3800. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Rosen, M.D.'s license?
NPPES lists Massachusetts license number 282284, 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 Elizabeth Rosen, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth Rosen, M.D. had 2,685 Medicare Part D claims for 368 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.