Karen P Mckay , PA
Physician Assistant • Marshfield, MA
Professional Overview & Biography Verified Profile Summary
Karen Mckay, PA is a registered healthcare professional specializing in Physician Assistant in Marshfield, MA. Practice services are available at 435 FURNACE ST under active NPI credentials.
Practice Location & Contact Primary Location
435 Furnace St
Marshfield, MA 020502332
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Marshfield, MA
Practicing in Marshfield, MA (4746 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-08-05NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Secondary Practice Locations
484 Route 134
South Dennis, MA 026603423
Phone: 5086947901
500 Lincoln St
Worcester, MA 016051916
Phone: 7744202111
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Pediatrics
Doctor of Medicine (M.D.)
Pediatrics
Doctor of Medicine (M.D.)
Nurse Practitioner - Pediatrics
Pediatric Nurse Practitioner (Board Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 435 FURNACE ST, MARSHFIELD, MA 020502332 (Tel: 7818377200)
Registered at 302 WEYMOUTH ST STE 202, ROCKLAND, MA 023701172 (Tel: 7818032786)
Registered at 10 FERRY ST STE 302, CONCORD, NH 033015081 (Tel: 6033331471)
NPI status registered as active in NPPES database
Registered at 10 NEW DRIFTWAY, SUITE 201, SCITUATE, MA 020664530 (Tel: 7815441388)
Registered at 10 NEW DRIFTWAY, SUITE 201, SCITUATE, MA 020664530 (Tel: 7815441388)
Recorded as KAREN MCKAY, PA
Physician Assistant (License #177 in MA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Karen Mckay
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
302 Weymouth St Ste 202
Rockland, MA 023701172
Phone: 7818032786
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.