Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Oak Street Medical Associates, PC

Organization Hematology (Internal Medicine) Physician · NPI 1598877144

Oak Street Medical Associates, PC provides Hematology (Internal Medicine) Physician services in Needham, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

300 Chestnut St Ste 700
Needham, MA 02492-2427 Not confirmed with CMS for 18 years — call before visiting
Phone: (781) 455-6200
Fax: (781) 449-1096
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 35581 (MA)

Record details

NPI number1598877144
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Earl Yunes — President · (781) 455-6200
NPI enumeratedAugust 31, 2006
Last updated in NPPESNovember 13, 2007
Mailing address300 Chestnut St, Suite 700, Needham, MA 02492-2427