Matthew B. Kosak
- Gender: Male
- Experience: 4 years
- Graduation year: 2017
- Sole propriator: No
- NPI: 1972013050
Matthew B. Kosak JR. NP
Nurse Practitioner
He is located at 2825 East Barnett Road in Medford, OR 97504. Can help patients with the following: Fever, General Care, Influenza, Migraine, Nausea and Vomiting, Prescription Refill. His National Provider Identifier (NPI) number is 1972013050. Appointment can be made via the phone number (541) 789-7100. He is affiliated with 1 hospitals.
Conditions treated
Matthew Brian Kosak, being an nurse practitioner, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Matthew B. Kosak.
- Common Cold
- Fever
- General Care
- Headache
- Influenza
- Migraine
- Nausea and Vomiting
- Prescription Refill
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Matthew B. Kosak as in-network for the following 2026 plans.
Health plans
Providence Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 8 plans from Providence Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HSA Qualified 7500 Bronze - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| HSA-E Qualified 7500 Bronze - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Choice Network | EPO · Gold | Choice | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Signature Network | EPO · Gold | EPO | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Choice Network | EPO · Silver | Choice | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Signature Network | EPO · Silver | EPO | Not accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Matthew B. Kosak is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Matthew B. Kosak is enrolled to bill Medicare as a Practitioner - Nurse Practitioner .
Bills through: Asante
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
Graduated in 2017
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- Address: 1025 East Main Street Medford, 97504, OR
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- Address: 3170 State Street Medford, 97504, OR
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- Address: 2825 East Barnett Road Medford, 97504, OR
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- Address: 2 Upper Ragsdale Drive Building A Monterey, 93940, CA
- Gender: Female
- Address: 2825 East Barnett Road Medford, 97504, OR
Questions & Answers
Where can you meet with Matthew Brian Kosak?
Matthew Brian Kosak's office is located at 2825 East Barnett Road in Medford, OR 97504.
Does Matthew Brian Kosak accept insurance?
Matthew Brian Kosak is listed in-network for 8 ACA Marketplace (Obamacare/HealthCare.gov) plans from Providence Health Plan. See the Marketplace plans section for details.
What conditions does Matthew Brian Kosak treat?
Matthew Brian Kosak provides treatment for Fever, General Care, Influenza, Migraine, Nausea and Vomiting, Prescription Refill. For the full list see this list.
Has Matthew Brian Kosak affiliation with hospitals?
Matthew Brian Kosak is affiliated with ASANTE ROGUE REGIONAL MEDICAL CENTER.