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.
- 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
Also registered at 75 Mount Auburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Bettina T. Bentley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 59424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
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.
All 300 in Cambridge → All 6,825 in Massachusetts → Every provider in Cambridge →
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- Samah Abdallah, MDBrighton, MA1730814971
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- 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.