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

Alan Rosmarin, MD

Individual provider Hematology & Oncology Physician · NPI 1225040025

Alan Rosmarin, MD is a Hematology & Oncology Physician in Worcester, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

55 Lake Ave N
Worcester, MA 01655-0002
Phone: (508) 856-3550
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 52497 (MA)

Record details

NPI number1225040025
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 12, 2006
Last updated in NPPESNovember 22, 2010

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