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

Dr. Michael J. Regan IV, MD

Individual provider Obesity Medicine (Internal Medicine) Physician · NPI 1215134325

Dr. Michael J. Regan IV, MD is an Obesity Medicine (Internal Medicine) Physician in Norwood, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
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

800 Washington St
Norwood, MA 02062-3487
Phone: (781) 769-4000
Show map & directions

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

Additional practice locations (1)

  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 421-1400

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 238929 (MA)
Obesity Medicine (Internal Medicine) Physician Taxonomy 207RB0002X · Licence 89997183 (MA)
Obesity Medicine (Preventive Medicine) Physician Taxonomy 2083B0002X · Licence 89997183 (MA)

Record details

NPI number1215134325
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 2, 2007
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025