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

Middlesex Oncology Group, PC

Organization Hematology & Oncology Physician · NPI 1588865703

Middlesex Oncology Group, PC is a Hematology & Oncology Physician in Winchester, Massachusetts. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

955 Main St Ste 301
Winchester, MA 01890-1961
Phone: (781) 729-1113
Fax: (781) 729-2047
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X

Record details

NPI number1588865703
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Alan Edelstein — President · (781) 729-1113
NPI enumeratedMay 29, 2007
Last updated in NPPESAugust 22, 2020
Mailing address955 Main St, Suite 301, Winchester, MA 01890-1961

Other providers in Winchester