NPPES file of Aug 9, 2026

Ruth Cadet, MD, MPH

Developmental - Behavioral Pediatrics Physician · Boston, MA

Ruth Cadet, MD, MPH is a developmental - behavioral pediatrics physician with a practice address in Boston, Massachusetts, and NPI 1144843681, issued on May 19, 2020. Check the license (Massachusetts 1020123, 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
1144843681
Name
Ruth Cadet
Credential
MD, MPH
Primary taxonomy
Developmental - Behavioral Pediatrics Physician 2080P0006X
License numbers
1020123 MA
LP04982 RI
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(173) 556-0006
Enumerated
May 19, 2020
Record last updated
Aug 1, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 300 Longwood Ave

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

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Ruth Cadet 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 1020123
    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

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28% fewer Medicare Part D claims than the average developmental - behavioral pediatrics physician in 2024

78 Medicare Part D claims for 13 beneficiaries, against an average of 109 among the 122 providers of this specialty who prescribed in Part D.

  1. Ruth Cadet78
  2. Specialty average109

Most prescribed

  1. Rosuvastatin Calcium15 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.

Ruth Cadet among 70 developmental - behavioral pediatrics physician records in Massachusetts

Ruth Cadet, MD, MPH is one of 70 developmental - behavioral pediatrics physician records with a practice address in Massachusetts. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.

  • NPI issued2020 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2024 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0006X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Developmental - Behavioral Pediatrics Physician providers in Massachusetts

There are 70 developmental - behavioral pediatrics physician records in Massachusetts.

The 8 developmental - behavioral pediatrics physician records with the nearest ZIP codes

  1. William Barbaresi, M.D.Boston, MA 021151689654816
  2. Ronald Becker, MDBoston, MA 021151881707479
  3. Julie Bickel, MDBoston, MA 021151518163377
  4. Jo-Ann Bier, MDBoston, MA 021151649383258
  5. Constance Keefer, MDBoston, MA 021151023055712
  6. Sharon Levy, MDBoston, MA 021151962502260
  7. Ramzi Nasir, M.D.Boston, MA 021151831225424
  8. Judith Palfrey, MDBoston, MA 021151548361447

Common questions

What is Ruth Cadet, MD, MPH's NPI number?

Ruth Cadet, MD, MPH's National Provider Identifier (NPI) is 1144843681, issued on May 19, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ruth Cadet, MD, MPH located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (173) 556-0006. Providers update this record themselves, so call before visiting.

How can I verify Ruth Cadet, MD, MPH's license?

NPPES lists Massachusetts license number 1020123, 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 Ruth Cadet, MD, MPH prescribe under Medicare Part D?

In 2024, Ruth Cadet, MD, MPH had 78 Medicare Part D claims for 13 beneficiaries; the average among developmental - behavioral pediatrics physician prescribers was 109. 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.