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

Dr. William Francis Dunn, DO

Individual provider Internal Medicine Physician · NPI 1043246978

Dr. William Francis Dunn, DO is an Internal Medicine Physician in Southbridge, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

100 S St Ste G08
Southbridge, MA 01550-4051
Phone: (508) 764-2620
Fax: (508) 765-1807
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 73792 (MA)

Record details

NPI number1043246978
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 23, 2006
Last updated in NPPESJuly 8, 2007
Mailing address100 South St, Suite G08, Southbridge, MA 01550-4051

Other providers in Southbridge