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

Nancy J Schaeffer, NP

Individual provider Nurse Practitioner · NPI 1427113067

Nancy J Schaeffer, NP is a Nurse Practitioner in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

100 Blossom Street Cox 1 Hematology Oncology Associates
Boston, MA 02114
Phone: (617) 726-8698
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 117790 (MA)

Record details

NPI number1427113067
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedDecember 26, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 9142, Mass General Physicians Organization Inc, Charleston, MA 02129-9142

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