Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Katelyn Sullivan, DO

Individual provider Emergency Medicine Physician · NPI 1205220720

Dr. Katelyn Sullivan, DO is an Emergency Medicine in Springfield, Massachusetts. Qualified in 2015, 11 years ago. Practices with South Shore Health Express Inc, a 30-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
11
Licensed in
MA
In the registry since
2015
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Partly verified

Some contact details are missing from the federal record.

Baystate Medical Ctr 759 Chestnut Steet
Springfield, MA 01199-0001
Phone: (413) 794-0000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 274956 (MA)

Record details

NPI number1205220720
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 23, 2015
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025
Mailing addressBaystate Medical Ctr, 759 Chestnut Steet, Springfield, MA 01199-0001

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice South Shore Health Express Inc — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Springfield