Quick answers
- Which hospitals does Katelyn M. Sullivan work at?
- Medicare's official clinician data lists Katelyn M. Sullivan at 2 hospitals: South Shore Hospital and Tufts Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katelyn M. Sullivan see patients?
- Medicare's clinician data lists 3 practice locations, including Pembroke, MA, Abington, MA and Weymouth, MA. Call before your visit to confirm the address.
- What is Katelyn M. Sullivan's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Katelyn M. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Katelyn M. 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 Katelyn M. Sullivan?
- (781) 626-5170, as listed in official Medicare / NPI Registry data.
- What is Katelyn M. Sullivan's NPI number?
- 1205220720. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katelyn M. Sullivan works
Medicare's Facility Affiliation Data lists Katelyn M. Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · CCN 220100
- Tufts Medical CenterBoston, MA · Acute Care Hospital · CCN 220116
Practice locations
Addresses where Katelyn M. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 117 Old Church StPembroke, MA 02359 (781) 626‑5170
- 170 Bedford StAbington, MA 02351 (781) 626‑5700
- 330 Washington StWeymouth, MA 02188 (781) 626‑5160
Group practices
Medicare enrollment lists Katelyn M. Sullivan as a member of this group (CMS data updated 2026-10-02).
- South Shore Health Express Inc30 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Pembroke
Clinicians with the same Medicare primary specialty in Pembroke, MA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205220720 |
| 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