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

Dr. Seth McClennen, MD

Individual provider Internal Medicine Physician · NPI 1265419410

Dr. Seth McClennen, MD is a Cardiac Electrophysiology in South Weymouth, Massachusetts. Graduated from Geisel School of Medicine at Dartmouth in 1997, 29 years ago. Practices with Mass General Brigham Medical Group Suburban Massachusetts Inc, a 532-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
29
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
MA
In the registry since
2005
Specialties on file
3
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

541 Main St Ste 400
South Weymouth, MA 02190-1868
Phone: (781) 952-1200
Fax: (781) 340-1610
Show map & directions

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

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence 160065 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 160065 (MA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 160065 (MA)

Record details

NPI number1265419410
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESMarch 13, 2014

Medicare enrollment

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

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1997 (29 years in practice)
Group practice Mass General Brigham Medical Group Suburban Massachusetts Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

Other providers in South Weymouth