Quick answers
- Which hospitals does James D. Sullivan work at?
- Medicare's official clinician data lists James D. Sullivan at 1 hospital: Brown University Health Morton Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James D. Sullivan see patients?
- Medicare's clinician data lists 2 practice locations, including Chelmsford, MA and Taunton, MA. Call before your visit to confirm the address.
- What is James D. Sullivan's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also Internal Medicine.
- Does James D. Sullivan accept Medicare assignment?
- Medicare's clinician data says James D. Sullivan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for James D. Sullivan?
- (978) 446-7515, as listed in official Medicare / NPI Registry data.
- What is James D. Sullivan's NPI number?
- 1730179607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James D. Sullivan works
Medicare's Facility Affiliation Data lists James D. Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brown University Health Morton HospitalTaunton, MA · Acute Care Hospital · CCN 220073
Practice locations
Addresses where James D. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 45 Drum Hill RdChelmsford, MA 01824 (978) 446‑7515
- 88 Washington StTaunton, MA 02780 (508) 828‑7000
Group practices
Medicare enrollment lists James D. Sullivan as a member of these groups (CMS data updated 2026-10-02).
- Lifespan Physician Group of Massachusetts Inc476 clinicians in the group
- Urgent Help Chelmsford PC15 clinicians in the group
Specialties
- Emergency Medicineprimary
- Internal Medicinealso
Other emergency medicine doctors in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1730179607 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians