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

Dr. Mark J Simonelli, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1598759334

Dr. Mark J Simonelli, MD is an Obstetrics/Gynecology in Southbridge, Massachusetts. Graduated from George Washington University School of Medicine in 1988, 38 years ago. Licensed in Massachusetts.

Years since qualifying
38
Trained at
George Washington University School of Medicine
Licensed in
MA
In the registry since
2005
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

100 S St Ste G05
Southbridge, MA 01550-4051
Phone: (508) 765-5981
Fax: (508) 764-4637
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 75660 (MA)

Record details

NPI number1598759334
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 8, 2005
Last updated in NPPESDecember 21, 2011
Mailing address100 South St, Suite G05, Southbridge, MA 01550-4051

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Not indicated

Other providers in Southbridge