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

Mary Knust Graichen, NP

Individual provider Family Nurse Practitioner · NPI 1487750675

Mary Knust Graichen, NP is a Family 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

75 Francis St Brigham & Women's Hospital Breast Ctr
Boston, MA 02115-6110
Phone: (617) 732-8111
Fax: (617) 264-6344
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 159259 (MA)

Record details

NPI number1487750675
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 15, 2006
Last updated in NPPESAugust 9, 2007

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