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

Matthew Brian Kosak Jr., NP

Individual provider Nurse Practitioner · NPI 1972013050

Matthew Brian Kosak Jr., NP is a Nurse Practitioner in Medford, Oregon. Qualified in 2017, 9 years ago. Practices with Asante, a 135-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
9
Licensed in
OR
In the registry since
2017
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2825 E Barnett Rd
Medford, OR 97504-8332
Phone: (541) 789-7100
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 201708229NP-PP (OR)

Record details

NPI number1972013050
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 3, 2017
Last updated in NPPESOctober 3, 2017

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Asante — 135 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Medford