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

Dr. Michael Osullivan, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1043887300

Dr. Michael Osullivan, DO is a Psychiatry in Springfield, Massachusetts. Graduated from University of New England, College of Osteo Medicine in 2021, 5 years ago. Practices with Natchaug Hospital, Inc, a 34-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
5
Trained at
University of New England, College of Osteo Medicine
Licensed in
MA
In the registry since
2021
Specialties on file
2
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 →

Practice location Address checks out

759 Chestnut St
Springfield, MA 01199-1001
Phone: (413) 794-2535
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Psychiatry Physician Taxonomy 2084P0800X · Licence 288395 (MA)

Record details

NPI number1043887300
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 7, 2021
Last updated in NPPESJune 7, 2021
Certification dateJune 7, 2021
Mailing address759 Chestnut St, Springfield, MA 01199-0001

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2021 (5 years in practice)
Group practice Natchaug Hospital, Inc — 34 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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