Jillian Britt Duffy, MD
Emergency Medicine Physician · Boston, MA
Jillian Britt Duffy, MD is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1942705884, issued on Mar 23, 2018. Check the license (Massachusetts 275799, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jillian Britt Duffy
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 275799 MA
036163109 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boston Medical Ctr PL RM 1322, Boston, MA 02118
- Phone
- (617) 414-4929
- Enumerated
- Mar 23, 2018
- Record last updated
- Mar 10, 2023
- Medicare enrollment
- Enrolled (PECOS I20230324001634); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1 Boston Medical Ctr PL RM 1322
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Courtney Todd, MDEmergency Medicine Physician1205412301
Verify Jillian Britt Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 275799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average emergency medicine physician in 2024
31 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 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).
Bills Medicare through one group practice
- Cepamerica Illinois LLPChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jillian Britt Duffy among 1,829 emergency medicine physician records in Massachusetts
Jillian Britt Duffy, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 80% of them.
- NPI issued2018 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2011 among the 1,200 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Evan Berg, MDBoston, MA 021181982692596
- Edward Bernstein, MDBoston, MA 021181568434926
- Andreas Dewitz, MDBoston, MA 021181740267434
- Kathryn Dyer, MDBoston, MA 021181851363048
- James Feldman, MDBoston, MA 021181801868682
- Jerrilyn Jones, MDBoston, MA 021181467435396
- Joseph Kahn, M.D.Boston, MA 021181144293572
- Ricky Kue, M.D., M.P.H.Boston, MA 021181134102395
Common questions
What is Jillian Britt Duffy, MD's NPI number?
Jillian Britt Duffy, MD's National Provider Identifier (NPI) is 1942705884, issued on Mar 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jillian Britt Duffy, MD located?
The NPPES record lists a practice address at 1 Boston Medical Ctr PL RM 1322, Boston, MA, 02118. Phone: (617) 414-4929. Providers update this record themselves, so call before visiting.
How can I verify Jillian Britt Duffy, MD's license?
NPPES lists Massachusetts license number 275799, 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 Jillian Britt Duffy, MD prescribe under Medicare Part D?
In 2024, Jillian Britt Duffy, MD had 31 Medicare Part D claims for 24 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Jillian Britt Duffy, MD's MIPS final score?
The 2023 MIPS final score is 100 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.