Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Ryan J Sullivan, MD

Individual provider Emergency Medicine Physician · NPI 1477873412

Mr. Ryan J Sullivan, MD is an Emergency Medicine in Weymouth, Massachusetts. Graduated from Tufts University School of Medicine in 2010, 16 years ago. Practices with Coastal Medical Associates, a 446-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
16
Trained at
Tufts University School of Medicine
Licensed in
MA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

55 Fogg Rd
Weymouth, MA 02190
Phone: (781) 624-8000
Fax: (781) 878-6750
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 254184 (MA)

Record details

NPI number1477873412
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2010
Last updated in NPPESJune 18, 2026
Certification dateJune 18, 2026
Mailing address55 Fogg Road, Weymouth, MA 02190

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Coastal Medical Associates — 446 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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