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

Dr. William L Breckwoldt III, MD

Individual provider Specialist · NPI 1306814272

Dr. William L Breckwoldt III, MD is a Vascular Surgery in Winchester, Massachusetts. Graduated from University of Michigan Medical School in 1984, 42 years ago. Practices with Beth Israel Lahey Health Specialty Care, Inc, a 263-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
42
Trained at
University of Michigan Medical School
Licensed in
MA
In the registry since
2006
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

955 Main St Ste G2A
Winchester, MA 01890-1961
Phone: (781) 729-2020
Fax: (781) 729-6846
Show map & directions

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

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence 70797 (MA)
Specialist Taxonomy 174400000X · Licence 70797 (MA)
Surgery Physician Taxonomy 208600000X · Licence 70797 (MA)

Record details

NPI number1306814272
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2006
Last updated in NPPESFebruary 28, 2020
Certification dateFebruary 28, 2020

Medicare enrollment

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

Medicare specialtyVASCULAR SURGERY
Also practisesGENERAL SURGERY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1984 (42 years in practice)
Group practice Beth Israel Lahey Health Specialty Care, Inc. — 263 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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