Jonathan M. Gaffin, MD
Pediatric Pulmonology Physician · Boston, MA
Jonathan M. Gaffin, MD is a pediatric pulmonology physician with a practice address in Boston, Massachusetts, and NPI 1487844403, issued on Jul 26, 2007. Check the license (Massachusetts 240274, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan M. Gaffin
- Credential
- MD
- Primary taxonomy
- Pediatric Pulmonology Physician 2080P0214X
- License number
- 240274 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave # 208, Boston, MA 02115
- Phone
- (617) 355-6953
- Enumerated
- Jul 26, 2007
- Record last updated
- Sep 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100916000020); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2004
- Entity
- Type 1 · individual
8 nearest pediatric pulmonology physician records → All 72 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave # 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eva Leder, MDRespiratory/Developmental/Rehabilitative Specialist/Technologist1982894994
Verify Jonathan M. Gaffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 240274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Children's Hospital Pediatric Associates, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan M. Gaffin among 72 pediatric pulmonology physician records in Massachusetts
Jonathan M. Gaffin, MD is one of 72 pediatric pulmonology physician records with a practice address in Massachusetts. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 50% newer
- In a Medicare fileYes · 51% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2004 · median 2008 among the 37 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0214X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Pulmonology Physician providers in Massachusetts
There are 72 pediatric pulmonology physician records in Massachusetts.
All 72 in Massachusetts → Every provider in Boston → Pediatric Pulmonology Physician nationwide →
The 8 pediatric pulmonology physician records with the nearest ZIP codes
- Henry Dorkin, MDBoston, MA 021151427048107
- Dawn Ericson, MDBoston, MA 021151578653853
- Martha Fishman, MDBoston, MA 021151689764946
- Kenan Haver, M.D.Boston, MA 021151548250228
- Christopher Hug, MD, PHDBoston, MA 021151386742336
- Thomas Martin, MDBoston, MA 021151497845762
- Claudia Ordonez, MDBoston, MA 021151679650303
- Dennis RosenBoston, MA 021151437183316
Common questions
What is Jonathan M. Gaffin, MD's NPI number?
Jonathan M. Gaffin, MD's National Provider Identifier (NPI) is 1487844403, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan M. Gaffin, MD located?
The NPPES record lists a practice address at 300 Longwood Ave # 208, Boston, MA, 02115. Phone: (617) 355-6953. Providers update this record themselves, so call before visiting.
How can I verify Jonathan M. Gaffin, MD's license?
NPPES lists Massachusetts license number 240274, 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. 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.