NPPES file of Aug 9, 2026

Janine Petito

Internal Medicine Physician · Cambridge, MA

Janine Petito is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1255862256, issued on Mar 22, 2017. Check the license (Massachusetts 282189, 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
1255862256
Name
Janine Petito
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
282189 MA
Self-reported in NPPES; status is on the state search
Practice location
1493 Cambridge St, Cambridge, MA 02139
Phone
(617) 665-1000
Enumerated
Mar 22, 2017
Record last updated
May 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200519002428); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2017
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 1493 Cambridge St

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

  1. Omar Abbas, MDStudent in an Organized Health Care Education/Training Program1225728025
  2. Nawyaab Abbasi, DOStudent in an Organized Health Care Education/Training Program1215875364
  3. Flannery AbbeySocial Worker1508604273
  4. Rana AbdallahSocial Worker1689220204
  5. Khaleel Abdul-Jabbaar, PT, DPTOrthopedic Physical Therapist1780295717
  6. Adri Abou-Bakr, MDStudent in an Organized Health Care Education/Training Program1770421844

Verify Janine Petito 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 282189
    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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26% more Medicare Part D claims than the average internal medicine physician in 2024

4,003 Medicare Part D claims for 291 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 75 claims were for opioids.

  1. Janine Petito4,003
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium300 claims
  2. Lisinopril187 claims
  3. Omeprazole178 claims
  4. Metformin Hcl165 claims
  5. Losartan Potassium135 claims
  6. Amlodipine Besylate129 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 2 group practices

  1. Massachusetts General Physicians Organization IncBoston, MA
  2. The General Hospital CorporationBoston, MA

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

Janine Petito among 6,825 internal medicine physician records in Massachusetts

Janine Petito 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 2017, is newer than 79% of them.

  • NPI issued2017 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2017 · median 2004 among the 4,103 with a school on file
  • Record last updated2020 · 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).

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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. David Baron, MDCambridge, MA 021391376503318
  2. John Brusch, MDCambridge, MA 021391639138449
  3. David Diamond, MDCambridge, MA 021391265411664
  4. Leigh Firn, MDCambridge, MA 021391194706507
  5. Agnes Graves, M.D.Cambridge, MA 021391932160934
  6. Howard Heller, MDCambridge, MA 021391508856287
  7. Michael Kane, MDCambridge, MA 021391376524769
  8. William Kettyle, MDCambridge, MA 021391306823414

Common questions

What is Janine Petito's NPI number?

Janine Petito's National Provider Identifier (NPI) is 1255862256, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Janine Petito located?

The NPPES record lists a practice address at 1493 Cambridge St, Cambridge, MA, 02139. Phone: (617) 665-1000. Providers update this record themselves, so call before visiting.

How can I verify Janine Petito's license?

NPPES lists Massachusetts license number 282189, 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 Janine Petito prescribe under Medicare Part D?

In 2024, Janine Petito had 4,003 Medicare Part D claims for 291 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.