Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Ryan P. Sullivan, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Ryan P. Sullivan, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Boston, MA. NPI 1831480391. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ryan P. Sullivan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
MaleGender (as listed)
Boston Emergency Physician Foundation IncGroup practice

Quick answers

Which hospitals does Ryan P. Sullivan work at?
Medicare's official clinician data lists Ryan P. Sullivan at 1 hospital: Boston Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ryan P. Sullivan see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Ryan P. Sullivan's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Ryan P. Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Ryan P. Sullivan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ryan P. Sullivan?
(617) 414-5481, as listed in official Medicare / NPI Registry data.
What is Ryan P. Sullivan's NPI number?
1831480391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ryan P. Sullivan works

Medicare's Facility Affiliation Data lists Ryan P. Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ryan P. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ryan P. Sullivan as a member of this group (CMS data updated 2026-10-02).

  • Boston Emergency Physician Foundation Inc77 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All emergency medicine doctors in Boston →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831480391
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians