NPPES file of Aug 9, 2026

Benjamin Leffel, M.D.

Internal Medicine Physician · Weymouth, MA

Benjamin Leffel, M.D. is an internal medicine physician with a practice address in Weymouth, Massachusetts, and NPI 1023469525, issued on Jun 26, 2016. Check the license (Massachusetts 281246, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023469525
Name
Benjamin Leffel
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
281246 MA
268784 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fogg RD, Weymouth, MA 02190
Phone
(781) 624-8000
Enumerated
Jun 26, 2016
Record last updated
Oct 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(781) 878-6750
Medicare enrollment
Enrolled (PECOS I20191116000375); accepts Medicare assignment
Medical or professional school
Wright State University Boonshoft School Of Medicine, 2016
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 55 Fogg RD

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

  1. Michael Abreu, CRNACertified Registered Nurse Anesthetist1407330848
  2. Kathleen Abruzese, R.N.Clinical Nurse Specialist1487773180
  3. Mohammad AfrasiabiSurgery Physician1063893139
  4. Hana Altwal, MDInternal Medicine Physician1386075091
  5. Samuel BabchuckRegistered Nurse1700559515
  6. Shannon Badgett, LCSWClinical Social Worker1972142834

Verify Benjamin Leffel 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 281246
    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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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

348 Medicare Part D claims for 144 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 11 claims were for opioids.

  1. Benjamin Leffel348
  2. Specialty average3,176

Most prescribed

  1. Cefpodoxime Proxetil29 claims
  2. Prednisone20 claims
  3. Eliquis19 claims
  4. Azithromycin16 claims
  5. Metoprolol Succinate14 claims
  6. Amlodipine Besylate11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score88.3
  2. Costout of 100 · 30%69.5
  3. Promoting interoperabilityout of 100 · 25%70.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Sound Physicians OF Massachusetts IncBrockton, MA

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

Benjamin Leffel among 6,825 internal medicine physician records in Massachusetts

Benjamin Leffel, 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 2016, is newer than 77% of them.

  • NPI issued2016 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2004 among the 4,103 with a school on file
  • Record last updated2019 · 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).

23 internal medicine physician records list a practice address in Weymouth

They are 23 of the 1,156 NPPES records with a practice address in Weymouth, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Aboualkheir Alzaim, MDSouth Weymouth, MA 021901073595260
  2. Brian Battista, MDSouth Weymouth, MA 021901821075961
  3. Charles Chalko, D.O.South Weymouth, MA 021901548218126
  4. Brian Dolan, M.D.Weymouth, MA 021901952345928
  5. Judy Dunal, MDSouth Weymouth, MA 021901619954757
  6. Vitaly Ermolin, MDWeymouth, MA 021901114901485
  7. Andrea Kopasz, M.D.South Weymouth, MA 021901770698573
  8. Robert Lille, MDSouth Weymouth, MA 021901548247695

Common questions

What is Benjamin Leffel, M.D.'s NPI number?

Benjamin Leffel, M.D.'s National Provider Identifier (NPI) is 1023469525, issued on Jun 26, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Leffel, M.D. located?

The NPPES record lists a practice address at 55 Fogg RD, Weymouth, MA, 02190. Phone: (781) 624-8000. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Leffel, M.D.'s license?

NPPES lists Massachusetts license number 281246, 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 Benjamin Leffel, M.D. prescribe under Medicare Part D?

In 2024, Benjamin Leffel, M.D. had 348 Medicare Part D claims for 144 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Benjamin Leffel, M.D.'s MIPS final score?

The 2023 MIPS final score is 82.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.