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

Dr. John J Diggins, MD

Individual provider Child & Adolescent Psychiatry Physician · NPI 1952519415

Dr. John J Diggins, MD is a Psychiatry in Southbridge, Massachusetts. Graduated from University of Cincinnati College of Medicine in 2003, 23 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
23
Trained at
University of Cincinnati College of Medicine
Licensed in
MA
In the registry since
2007
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

29 Pine St
Southbridge, MA 01550-1823
Phone: (508) 765-9167
Fax: (508) 764-2462
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 238052 (MA)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 238052 (MA)

Record details

NPI number1952519415
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2007
Last updated in NPPESMay 2, 2025
Certification dateMay 2, 2025
Mailing addressPo Box 415348, Boston, MA 02241-5348

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount