NPPES file of Aug 9, 2026

Bettina T. Bentley, MD

Internal Medicine Physician · Cambridge, MA

Bettina T. Bentley, MD is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1538267521, issued on Sep 21, 2006. Check the license (Massachusetts 59424, 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
1538267521
Name
Bettina T. Bentley
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
59424 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Mount Auburn St, Cambridge, MA 02138
Phone
(617) 495-8414
Enumerated
Sep 21, 2006
Record last updated
Jan 14, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(617) 496-0560
Medicaid ID
3047679 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 75 Mount Auburn St

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

  1. David Abramson, MDPsychiatry Physician1376679787
  2. Anupam Agarwal, MDInternal Medicine Physician1265483523
  3. Paul Barreira, MDPsychiatry Physician1912916651
  4. Caryn Bello, PSY.D.Psychologist1699870352
  5. Lori Benjes, M.D.Dermatology Physician1154578268
  6. Wyatt Biel, FNPFamily Nurse Practitioner1801076831

Verify Bettina T. Bentley 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 59424
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

44 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Bettina Bentley44
  2. Specialty average3,176

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.

300 internal medicine physician records list a practice address in Cambridge

They are 300 of the 5,145 NPPES records with a practice address in Cambridge, and 6,825 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Bettina T. Bentley, MD's NPI number?

Bettina T. Bentley, MD's National Provider Identifier (NPI) is 1538267521, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Bettina T. Bentley, MD located?

The NPPES record lists a practice address at 75 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 495-8414. Providers update this record themselves, so call before visiting.

How can I verify Bettina T. Bentley, MD's license?

NPPES lists Massachusetts license number 59424, 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 Bettina T. Bentley, MD prescribe under Medicare Part D?

In 2024, Bettina T. Bentley, MD had 44 Medicare Part D claims for 18 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.