Jeffrey Robert Gagan, M.D./PH.D.
Clinical Pathology Physician · Boston, MA
Jeffrey Robert Gagan, M.D./PH.D. is a clinical pathology physician with a practice address in Boston, Massachusetts, and NPI 1265835839, issued on Sep 26, 2014. Check the license (Massachusetts 259743, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Robert Gagan
- Credential
- M.D./PH.D.
- Primary taxonomy
- Clinical Pathology Physician 207ZC0006X
- License number
- 259743 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 525-8021
- Enumerated
- Sep 26, 2014
- Record last updated
- Jul 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical pathology physician records → All 40 in Massachusetts → Look up another NPI →
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jeffrey Robert Gagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 259743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Jeffrey Robert Gagan among 40 clinical pathology physician records in Massachusetts
Jeffrey Robert Gagan, M.D./PH.D. is one of 40 clinical pathology physician records with a practice address in Massachusetts. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 35% of them.
- NPI issued2014 · 35% of these records are older, 55% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2015 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZC0006X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology Physician providers in Massachusetts
There are 40 clinical pathology physician records in Massachusetts.
All 40 in Massachusetts → Every provider in Boston → Clinical Pathology Physician nationwide →
The 8 clinical pathology physician records with the nearest ZIP codes
- Sankha Basu, M.D., PH.DBoston, MA 021151982028379
- Phoenix BellBoston, MA 021151235668641
- Georg Gerber, M.D., PH.D.Boston, MA 021151083856645
- Christopher Hergott, MD, PHDBoston, MA 021151114448958
- William Lane, M.D., PH.D.Boston, MA 021151609018191
- Vinay Mahajan, M.B.B.S, PH.D.Boston, MA 021151508005232
- David Miller, MDBoston, MA 021151710942909
- Alissa Minkovsky, M.D./PH.D.Boston, MA 021151457735284
Common questions
What is Jeffrey Robert Gagan, M.D./PH.D.'s NPI number?
Jeffrey Robert Gagan, M.D./PH.D.'s National Provider Identifier (NPI) is 1265835839, issued on Sep 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Robert Gagan, M.D./PH.D. located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 525-8021. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Robert Gagan, M.D./PH.D.'s license?
NPPES lists Massachusetts license number 259743, 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.
What is Jeffrey Robert Gagan, M.D./PH.D.'s MIPS final score?
The 2023 MIPS final score is 74.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.