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

Karen Matragrano, NP-C

Individual provider Adult Health Nurse Practitioner · NPI 1629356571

Karen Matragrano, NP-C is a Nurse Practitioner in Port Jefferson Station, New York. Graduated from State University of New York at Stony Brook, School of Medicine in 2011, 15 years ago. Practices with Gastroenterology Associates of Suffolk PC, a 6-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
15
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
NY
In the registry since
2011
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

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Practice location Address checks out

931 Hallock Ave
Port Jefferson Station, NY 11776-1228
Phone: (631) 331-7200
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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 305818 (NY)

Record details

NPI number1629356571
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorYes
NPI enumeratedJuly 26, 2011
Last updated in NPPESJune 17, 2014

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Gastroenterology Associates Of Suffolk Pc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Port Jefferson Station