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

Dr. Leonard Lloyd Ellman, MD

Individual provider Internal Medicine Physician · NPI 1679564322

Dr. Leonard Lloyd Ellman, MD is an Internal Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
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

15 Parkman St Wac 516
Boston, MA 02114-3117
Phone: (617) 726-3448
Fax: (617) 724-3480
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 30751 (MA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence 30751 (MA)

Record details

NPI number1679564322
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2005
Last updated in NPPESJuly 13, 2026

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