Provider Profile
Matthew B. Kosak, NP
Unclaimed ProfileAbout Matthew Kosak
Listed in the NPI registry as a nurse practitioner, Matthew B. Kosak, NP practices in Medford, OR. According to Medicare claims data, Matthew cared for 132 Medicare patients across 133 services. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with low level of medical decision making, and emergency department visit with high level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (541) 789-7100
- Email not available
Practice Locations
2825 E BARNETT RD
Medford, OR 97504
Procedures Most Often Billed to Medicare
133 services · 132 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
63 | More often than most peers in Nurse Practitioner |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
55 | More than most peers in Nurse Practitioner |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other nurse practitioners in Medford 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Matthew B. Kosak specialize in?
Matthew B. Kosak is a nurse practitioner in Medford, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Matthew B. Kosak located?
Matthew B. Kosak is listed at 2825 E Barnett Rd, Medford, OR 97504. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Matthew B. Kosak's phone number?
The number on file is (541) 789-7100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Matthew B. Kosak's NPI number?
Matthew B. Kosak's National Provider Identifier is 1972013050. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Matthew B. Kosak train?
Matthew B. Kosak attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Matthew B. Kosak been practicing?
Matthew B. Kosak has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Matthew B. Kosak do most often?
According to Medicare billing data, Matthew B. Kosak the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Matthew B. Kosak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Matthew B. Kosak. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.