NPPES file of Aug 9, 2026

Claire Tine Cronin, M.D.

Surgery Physician · Boston, MA

Claire Tine Cronin, M.D. is a surgery physician with a practice address in Boston, Massachusetts, and NPI 1720084833, issued on Jun 23, 2005. Check the license (Massachusetts 204344, 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
1720084833
Name
Claire Tine Cronin
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
204344 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave, Boston, MA 02215
Phone
(617) 421-8749
Enumerated
Jun 23, 2005
Record last updated
Feb 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(617) 421-2236
Medicaid ID
3209121 MA
Medicare enrollment
Enrolled (PECOS I20080715000109); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1995
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.
Download card Updates feed

Also registered at 133 Brookline Ave

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

  1. Shari Abramowitz, M.D.Pediatrics Physician1558346593
  2. Maansi AgheraAudiologist1225887292
  3. Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
  4. Marina Alfisher, MDDiagnostic Radiology Physician1417925207
  5. Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
  6. Dana An, LCSWClinical Social Worker1215108238

Verify Claire Tine Cronin 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 204344
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

83% fewer Medicare Part D claims than the average surgery physician in 2024

25 Medicare Part D claims for 13 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Claire Cronin25
  2. Specialty average147

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. Atrius Health IncBoston, MA

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

Claire Tine Cronin among 1,003 surgery physician records in Massachusetts

Claire Tine Cronin, M.D. is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1995 · median 2003 among the 503 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

443 surgery physician records list a practice address in Boston

They are 443 of the 41,865 NPPES records with a practice address in Boston, and 1,003 surgery physician records in Massachusetts.

The 8 surgery physician records with the nearest ZIP codes

  1. Christopher Boyd, M.D.Boston, MA 022151760422299
  2. Michael Cahalane, M.D.Boston, MA 022151073553731
  3. Charles Cook, MDBoston, MA 022151588616148
  4. Devin Eckhoff, MDBoston, MA 022151033152160
  5. Amy Evenson, MDBoston, MA 022151184601197
  6. Per-Olof Hasselgren, M.D.Boston, MA 022151700833035
  7. Mary Jane Houlihan, M.D.Boston, MA 022151093755738
  8. Daniel Jones, M.D.Boston, MA 022151780642181

Common questions

What is Claire Tine Cronin, M.D.'s NPI number?

Claire Tine Cronin, M.D.'s National Provider Identifier (NPI) is 1720084833, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Claire Tine Cronin, M.D. located?

The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-8749. Providers update this record themselves, so call before visiting.

How can I verify Claire Tine Cronin, M.D.'s license?

NPPES lists Massachusetts license number 204344, 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 Claire Tine Cronin, M.D. prescribe under Medicare Part D?

In 2024, Claire Tine Cronin, M.D. had 25 Medicare Part D claims for 13 beneficiaries; the average among surgery physician prescribers was 147. 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.