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

Individual provider Adult Health Nurse Practitioner · NPI 1225001209

Karen D Spitler, APRN, BC is a Nurse Practitioner in Cambridge, Massachusetts. Qualified in 1985, 41 years ago. Practices with Massachusetts Institute of Technology, a 56-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
41
Licensed in
MA
In the registry since
2006
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
BC — Board Certified
Appended to another credential to show current board certification, as in APRN-BC.

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Practice location Address checks out

77 Mass Ave Medical E23-395
Cambridge, MA 02139-4301
Phone: (617) 253-1311
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 152046 (MA)

Record details

NPI number1225001209
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , BC
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Massachusetts Institute Of Technology — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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