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

Donal T O'Hanlon, MD

Individual provider Psychiatry Physician · NPI 1548267107

Donal T O'Hanlon, MD is a Psychiatry Physician in Springfield, Massachusetts. Licensed in Connecticut and Massachusetts. Registered with an NPI since 2005.

Licensed in
CT, MA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

759 Chestnut Street S5632
Springfield, MA 01199
Phone: (413) 794-4326
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 158935 (MA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 042004 (CT)

Record details

NPI number1548267107
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2005
Last updated in NPPESJune 18, 2009

Other providers in Springfield