NPPES file of Aug 9, 2026

Elizabeth M. Ross, M.D.

Internal Medicine Physician · Boston, MA

Elizabeth M. Ross, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1952338014, issued on Jun 26, 2006. Check the license (Massachusetts 80364, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952338014
Name
Elizabeth M. Ross
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
80364 MA
Self-reported in NPPES; status is on the state search
Practice location
165 Dartmouth St, Boston, MA 02116
Phone
(617) 859-5108
Enumerated
Jun 26, 2006
Record last updated
Oct 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(617) 859-5050
Medicaid ID
3130169 MA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 165 Dartmouth St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephen Baer, MDObstetrics & Gynecology Physician1578528568
  2. Bryan Bordeaux, D.O.Internal Medicine Physician1972560696
  3. Mary Carson, MDObstetrics & Gynecology Physician1356308787
  4. Mackenzie Casey, FNP-BC, RNPrimary Care Nurse Practitioner1033897731
  5. Michelle Chan, FNP-BCFamily Nurse Practitioner1952003386
  6. Sameer Chinoy, MDFamily Medicine Physician1770677767

Verify Elizabeth M. Ross in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 80364
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

195 Medicare Part D claims for 35 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Elizabeth Ross195
  2. Specialty average3,176

Most prescribed

  1. Donepezil Hcl18 claims
  2. Lisinopril15 claims
  3. Escitalopram Oxalate14 claims
  4. Memantine Hcl13 claims
  5. Rosuvastatin Calcium13 claims
  6. Venlafaxine Hcl Er13 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.

Elizabeth M. Ross among 6,825 internal medicine physician records in Massachusetts

Elizabeth M. Ross, 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 fileNo · 60% of these records are
  • Record last updated2020 · 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).

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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. James Bonanno, MDBoston, MA 021161760461115
  2. Bryan Bordeaux, D.O.Boston, MA 021161972560696
  3. Moira Cunningham, M.D.Boston, MA 021161437120995
  4. Federico Erebia, M.D.Boston, MA 021161588639744
  5. Monica Gomez, MDBoston, MA 021161174585368
  6. Yun Lam, M.D.Boston, MA 021161134100894
  7. Katherine Lantsman, M.D.Boston, MA 021161720052475
  8. Frederick LeeBoston, MA 021161295710473

Common questions

What is Elizabeth M. Ross, M.D.'s NPI number?

Elizabeth M. Ross, M.D.'s National Provider Identifier (NPI) is 1952338014, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth M. Ross, M.D. located?

The NPPES record lists a practice address at 165 Dartmouth St, Boston, MA, 02116. Phone: (617) 859-5108. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth M. Ross, M.D.'s license?

NPPES lists Massachusetts license number 80364, 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 M. Ross, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth M. Ross, M.D. had 195 Medicare Part D claims for 35 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.