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

Dr. Harold L. Lazar, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1205876372

Dr. Harold L. Lazar, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
Specialties on file
2
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

732 Harrison Ave 3rd Fl
Boston, MA 02118-2309
Phone: (617) 638-5600
Fax: (617) 638-7228
Show map & directions

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

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 51809 (MA)
Surgery Physician Taxonomy 208600000X · Licence 51809 (MA)

Record details

NPI number1205876372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESJune 16, 2014

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