NPPES file of Aug 9, 2026

John A. Cavallo, M.D.

Internal Medicine Physician · East Bridgewater, MA

John A. Cavallo, M.D. is an internal medicine physician with a practice address in East Bridgewater, Massachusetts, and NPI 1619914322, issued on Jun 1, 2006. Check the license (Massachusetts 158340, 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
1619914322
Name
John A. Cavallo
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
158340 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Donald's Way Ste 200, East Bridgewater, MA 02333
Phone
(508) 940-0400
Enumerated
Jun 1, 2006
Record last updated
Apr 9, 2024
Fax
(508) 894-0412
Medicaid ID
2020289 MA
Medicare enrollment
Enrolled (PECOS I20080225000200); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1995
Telehealth
Offers telehealth (CMS)
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 1 Donald's Way Ste 200

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

  1. Nadalee Angelos, FNP-CFamily Nurse Practitioner1790078863

Verify John A. Cavallo 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 158340
    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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4.5 times the Medicare Part D claims of the average internal medicine physician in 2024

14,142 Medicare Part D claims for 941 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 432 claims were for opioids.

  1. John Cavallo14,142
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium992 claims
  2. Amlodipine Besylate791 claims
  3. Lisinopril710 claims
  4. Simvastatin530 claims
  5. Metoprolol Succinate417 claims
  6. Omeprazole374 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.

Bills Medicare through one group practice

  1. Signature Healthcare Medical Group IncBridgewater, MA

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

John A. Cavallo among 6,825 internal medicine physician records in Massachusetts

John A. Cavallo, 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 fileYes · 60% of these records are
  • Graduated1995 · median 2004 among the 4,103 with a school on file
  • Record last updated2024 · 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).

6 internal medicine physician records list a practice address in East Bridgewater

They are 6 of the 152 NPPES records with a practice address in East Bridgewater, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dyan Bhatia, M.D.East Bridgewater, MA 023331376590950
  2. Edward Hassan, M.D.East Bridgewater, MA 023331396784385
  3. Shikha Merchia, M.D.East Bridgewater, MA 023331689648461
  4. Veena Molagavalli, M.D.East Bridgewater, MA 023331487600979
  5. Bruce Mathew Weinstein, M.D.East Bridgewater, MA 023331396793543
  6. Ulrike Kohler, M.D.Duxbury, MA 023321396723276
  7. Bryna McConarty, M.D.Duxbury, MA 023321609078849
  8. John Wang, MD, MSDuxbury, MA 023311740499888

Common questions

What is John A. Cavallo, M.D.'s NPI number?

John A. Cavallo, M.D.'s National Provider Identifier (NPI) is 1619914322, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John A. Cavallo, M.D. located?

The NPPES record lists a practice address at 1 Donald's Way Ste 200, East Bridgewater, MA, 02333. Phone: (508) 940-0400. Providers update this record themselves, so call before visiting.

How can I verify John A. Cavallo, M.D.'s license?

NPPES lists Massachusetts license number 158340, 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 John A. Cavallo, M.D. prescribe under Medicare Part D?

In 2024, John A. Cavallo, M.D. had 14,142 Medicare Part D claims for 941 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.