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

Karen Kieffer

Individual provider Clinical Social Worker · NPI 1750942371

Karen Kieffer is a Clinical Social Worker in Harvard, Massachusetts. Qualified in 2018, 8 years ago. Practices with Northeast Health Services LLC, a 469-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
8
Licensed in
MA
In the registry since
2019

Practice location Address checks out

257 Ayer Rd
Harvard, MA 01451-1176
Phone: (978) 772-1846
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 224364 (MA)

Record details

NPI number1750942371
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 25, 2019
Last updated in NPPESJune 25, 2019

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Northeast Health Services Llc — 469 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Harvard