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

William Calhoun, MD

Individual provider Cardiovascular Disease Physician · NPI 1952324303

William Calhoun, MD is a Cardiovascular Disease (Cardiology) in South Weymouth, Massachusetts. Graduated from University of Massachusetts Medical School in 1983, 43 years ago. Practices with South Shore Medical Center, Inc, a 175-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
43
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

70 Pleasant St
South Weymouth, MA 02190-2427
Phone: (781) 331-2000
Fax: (781) 337-6104
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 53819 (MA)

Record details

NPI number1952324303
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESJuly 8, 2013

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 1983 (43 years in practice)
Group practice South Shore Medical Center, Inc. — 175 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in South Weymouth