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

Halward M Blegen III, MD

Individual provider Internal Medicine Physician · NPI 1134121502

Halward M Blegen III, MD is an Internal Medicine in Sagamore Beach, Massachusetts. Graduated from Albert Einstein College of Medicine of Yeshiva University in 1977, 49 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
49
Trained at
Albert Einstein College of Medicine of Yeshiva University
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

180 State Rd
Sagamore Beach, MA 02562-2362
Phone: (508) 888-7221
Fax: (508) 888-2062
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 49939 (MA)

Record details

NPI number1134121502
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 15, 2005
Last updated in NPPESJuly 2, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services