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

Karen Lynn Jeffrey, NP

Individual provider Adult Health Nurse Practitioner · NPI 1861593428

Karen Lynn Jeffrey, NP is a Nurse Practitioner in Fairhaven, Massachusetts. Qualified in 1998, 28 years ago. Practices with Jose R. Gutierrez MD PC, a 13-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
28
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.

See every abbreviation used in this directory →

Practice location Address checks out

200 Mill Rd Ste 190
Fairhaven, MA 02719-5252
Phone: (508) 973-0857
Fax: (508) 973-2176
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 212305 (MA)

Record details

NPI number1861593428
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedSeptember 26, 2006
Last updated in NPPESApril 22, 2020
Certification dateApril 22, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Jose R. Gutierrez Md Pc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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