Ryan J. Sullivan, M.D.
Emergency Medicine Physician · Weymouth, MA
Ryan J. Sullivan, M.D. is an emergency medicine physician with a practice address in Weymouth, Massachusetts, and NPI 1477873412, issued on Jun 1, 2010. Check the license (Massachusetts 254184, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ryan J. Sullivan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 254184 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fogg Road, Weymouth, MA 02190
- Phone
- (781) 624-8000
- Enumerated
- Jun 1, 2010
- Record last updated
- Jun 18, 2026
- Fax
- (781) 878-6750
- Medicare enrollment
- Enrolled (PECOS I20130917000016); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 55 Fogg Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maurice Loeffel, MDEmergency Medicine Physician1548228042
- Matthew Mason, CNPAcute Care Nurse Practitioner1750153821
- Ari Moskowitz, MDCritical Care Medicine (Anesthesiology) Physician1083908867
- Karen Murphy-Fitch, CNMAdvanced Practice Midwife1750433405
Verify Ryan J. Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 254184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average emergency medicine physician in 2024
70 Medicare Part D claims for 54 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): 82.8 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 2 group practices
- Brockton Hospital, Inc.Brockton, MA
- Coastal Medical AssociatesWeymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan J. Sullivan among 1,829 emergency medicine physician records in Massachusetts
Ryan J. Sullivan, M.D. 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 2010, is newer than 56% of them.
- NPI issued2010 · 56% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2011 among the 1,200 with a school on file
- Record last updated2026 · 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).
33 emergency medicine physician records list a practice address in Weymouth
They are 33 of the 1,156 NPPES records with a practice address in Weymouth, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Weymouth → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Claudette Bibro, M.D.Weymouth, MA 021901528073988
- Wayne A D Chin, M.D.Weymouth, MA 021901205894102
- David Cingari, M.D.South Weymouth, MA 021901326006719
- Stephen Hartlaub, M.D.Weymouth, MA 021901700827953
- Jeffrey Johnson, M.D.Weymouth, MA 021901083672281
- Doreen Kennedy McLaughlin, M.D.Weymouth, MA 021901053326447
- Maurice Loeffel, MDWeymouth, MA 021901548228042
- Ann Loudermilk, M.D.Weymouth, MA 021901598702326
Common questions
What is Ryan J. Sullivan, M.D.'s NPI number?
Ryan J. Sullivan, M.D.'s National Provider Identifier (NPI) is 1477873412, issued on Jun 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ryan J. Sullivan, M.D. located?
The NPPES record lists a practice address at 55 Fogg Road, Weymouth, MA, 02190. Phone: (781) 624-8000. Providers update this record themselves, so call before visiting.
How can I verify Ryan J. Sullivan, M.D.'s license?
NPPES lists Massachusetts license number 254184, 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 Ryan J. Sullivan, M.D. prescribe under Medicare Part D?
In 2024, Ryan J. Sullivan, M.D. had 70 Medicare Part D claims for 54 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Ryan J. Sullivan, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.8 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.