NPPES file of Aug 9, 2026

Mari J. Bentley, M.D.

Family Medicine Physician · Boston, MA

Mari J. Bentley, M.D. is a family medicine physician with a practice address in Boston, Massachusetts, and NPI 1043299027, issued on Jan 10, 2006. Check the license (Massachusetts 209027, 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
1043299027
Name
Mari J. Bentley
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
209027 MA
0101261551 VA
Self-reported in NPPES; status is on the state search
Practice location
850 Harrison Avenue, Boston, MA 02118
Phone
(617) 414-2000
Enumerated
Jan 10, 2006
Record last updated
Sep 13, 2023
Fax
(617) 414-5798
Medicaid ID
110004861A MA
Medicare enrollment
Enrolled (PECOS I20040617001035); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 850 Harrison Avenue

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

  1. Megan Bair-Merritt, M.D.Pediatrics Physician1104868843
  2. Alexandra Belcher-Obejero-Paz, M.D., M.P.H.Obstetrics & Gynecology Physician1952798704
  3. Jessica Brick, MDPediatrics Physician1053687558
  4. Emily Burns, CNPWomen's Health Nurse Practitioner1336807957
  5. Marie Cantave-Ayer, NPFamily Nurse Practitioner1124354691
  6. Amy Coe, ARNPAdult Health Nurse Practitioner1851478051

Verify Mari J. 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 209027
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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100% fewer Medicare Part D claims than the average family medicine physician in 2024

12 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mari Bentley12
  2. Specialty average3,544

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

  1. Boston University Obstetrics And Gynecology Foundation IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mari J. Bentley among 2,265 family medicine physician records in Massachusetts

Mari J. Bentley, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 55% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1998 · median 2006 among the 1,529 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Massachusetts

There are 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Larry Culpepper, M.D.Boston, MA 021181225001076
  2. Jon Fuller, MDBoston, MA 021181952387946
  3. Thomas Hines, M.D.Boston, MA 021181235103219
  4. Brian Jack, M.D.Boston, MA 021181053385120
  5. Anita Kostecki, M.D.Boston, MA 021181295710119
  6. Nidhi Lal, MDBoston, MA 021181114990652
  7. Adebayo Lawal, M.D.Boston, MA 021181578537569
  8. Richard Long, MDBoston, MA 021181720062656

Common questions

What is Mari J. Bentley, M.D.'s NPI number?

Mari J. Bentley, M.D.'s National Provider Identifier (NPI) is 1043299027, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mari J. Bentley, M.D. located?

The NPPES record lists a practice address at 850 Harrison Avenue, Boston, MA, 02118. Phone: (617) 414-2000. Providers update this record themselves, so call before visiting.

How can I verify Mari J. Bentley, M.D.'s license?

NPPES lists Massachusetts license number 209027, 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 Mari J. Bentley, M.D. prescribe under Medicare Part D?

In 2024, Mari J. Bentley, M.D. had 12 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.