NPPES file of Aug 9, 2026

Jonathan A. Finkelstein, M.D.

Pediatrics Physician · Boston, MA

Jonathan A. Finkelstein, M.D. is a pediatrics physician with a practice address in Boston, Massachusetts, and NPI 1366420143, issued on Jan 3, 2006. Check the license (Massachusetts 74138, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366420143
Name
Jonathan A. Finkelstein
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
74138 MA
Self-reported in NPPES; status is on the state search
Practice location
165 Dartmouth St, Boston, MA 02116
Phone
(617) 859-5000
Enumerated
Jan 3, 2006
Record last updated
Jul 13, 2026
Fax
(617) 859-5425
Medicaid ID
3122336 MA
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.
Download card Updates feed

Also registered at 165 Dartmouth St

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

  1. Stephen Baer, MDObstetrics & Gynecology Physician1578528568
  2. Bryan Bordeaux, D.O.Internal Medicine Physician1972560696
  3. Mary Carson, MDObstetrics & Gynecology Physician1356308787
  4. Mackenzie Casey, FNP-BC, RNPrimary Care Nurse Practitioner1033897731
  5. Michelle Chan, FNP-BCFamily Nurse Practitioner1952003386
  6. Sameer Chinoy, MDFamily Medicine Physician1770677767

Verify Jonathan A. Finkelstein 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 74138
    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.

Jonathan A. Finkelstein among 2,628 pediatrics physician records in Massachusetts

Jonathan A. Finkelstein, M.D. is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 48% newer
  • In a Medicare fileNo · 25% of these records are
  • In the CMS Doctors and Clinicians fileNo · 12% of these records are
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

822 pediatrics physician records list a practice address in Boston

They are 822 of the 41,865 NPPES records with a practice address in Boston, and 2,628 pediatrics physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Linda Cohen, M.D.Boston, MA 021161144207887
  2. Heather Kempczinski, MDBoston, MA 021161346871381
  3. Karen Klein, M.D.Boston, MA 021161154309235
  4. Richard Marshall, M.D.Boston, MA 021161770562324
  5. Gareth Marshall, MDBoston, MA 021161487159851
  6. Lynn Porter, MDBoston, MA 021161518184456
  7. Brenda PringBoston, MA 021161508183351
  8. Barbara Rathmell, M.D.Boston, MA 021161922447663

Common questions

What is Jonathan A. Finkelstein, M.D.'s NPI number?

Jonathan A. Finkelstein, M.D.'s National Provider Identifier (NPI) is 1366420143, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan A. Finkelstein, M.D. located?

The NPPES record lists a practice address at 165 Dartmouth St, Boston, MA, 02116. Phone: (617) 859-5000. Providers update this record themselves, so call before visiting.

How can I verify Jonathan A. Finkelstein, M.D.'s license?

NPPES lists Massachusetts license number 74138, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.