Matthew Brian Kosak Jr., NP

  • Medford, OR
  • Nurse practitioner
NPI1972013050PAC ID2860751179
Medicare patients, 2024
139
Part D claims, 2024
160
Hospital affiliations
2
Medical group
1
State license
1
Practice address
2825 E Barnett Road, Medford, OR 97504
Practice phone
Call (541) 789-7000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Asante Rogue Regional Medical Center

Hospital · Medford, Oregon

See all 3 affiliations

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Matthew Brian Kosak Jr. is a nurse practitioner in Medford, Oregon

Matthew Kosak practices at Asante Rogue Regional Medical Center in Medford, Oregon, part of Asante Health System.

Matthew Kosak's NPI, 1972013050, was assigned on October 3, 2017. Matthew Kosak holds Oregon license 201708229NP-PP.

NPI and contact details
Medicare PAC ID
2860751179
NPI enumeration date
October 3, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(541) 789-7000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Matthew Brian Kosak Jr. practices at Asante Rogue Regional Medical Center in Medford, Oregon

Matthew Kosak's primary practice is Asante Rogue Regional Medical Center, at 2825 E Barnett Road, Medford, OR 97504 in Jackson County. The practice phone is (541) 789-7000.

Source: Dmand AI Affiliation Data

Matthew Brian Kosak Jr. is affiliated with 2 sites of care and 1 medical group

Matthew Kosak's primary practice is Asante Rogue Regional Medical Center in Medford, Oregon, part of Asante Health System. The medical group on file is Asante Rogue Regional Medical Center. Dmand AI also links Matthew Kosak to 1 more hospital, named with a free account. Matthew Kosak's employer is on file too: a hospital.

See all 3 affiliations for Matthew Kosak

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Matthew Brian Kosak Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Kosak practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Asante Rogue Regional Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Matthew Brian Kosak Jr. is one of 501 nurse practitioners in Oregon

Nurse practitioner is Matthew Kosak's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Matthew Kosak is licensed in Oregon.

Specialties and state licenses

  • Nurse practitioner, OregonPrimaryLicense 201708229NP-PP · taxonomy 363L00000X

Nurse practitioners near Matthew Kosak

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Matthew Brian Kosak Jr. treated 139 Medicare patients in 2024, average age 72

CMS counts 139 Medicare patients who saw Matthew Kosak in 2024. The largest group is 75 to 84, with 52 patients. 67% of them have high blood pressure, and 67% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Matthew Kosak's median patient age at 39, with 54% women.

Medicare patients, 2024139
Average age72
Average risk score1.20
Also on Medicaid25%

Matthew Kosak's Medicare patients by age, 2024

Matthew Kosak's Medicare patients by sex, 2024

  • Women8058%
  • Men5942%

Chronic conditions among Matthew Kosak's Medicare patients, 2024

  1. High blood pressure67%
  2. High cholesterol67%
  3. Arthritis51%
  4. Mood disorders37%
  5. Depression32%
  6. Anxiety28%
  7. COPD27%
  8. Diabetes24%

Share of Medicare patients with each condition. A patient can have several.

Matthew Kosak's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Matthew Brian Kosak Jr. wrote 160 Medicare Part D claims in 2024

In 2024, Matthew Kosak wrote 160 Medicare Part D claims for 114 patients. 93% of them were for generic drugs.

Part D claims, 2024160
Part D patients114

Matthew Kosak's Part D claims by kind of drug, 2024

  • Generic149 claims93%
  • Brand-name11 claims7%

Drug classes CMS tracks in Matthew Kosak's Part D claims, 2024

  • Opioids21%33 of 160 claims
  • Antibiotics37%59 of 160 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Matthew Brian Kosak Jr. takes part in Medicare

Matthew Kosak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Matthew Brian Kosak Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Matthew Brian Kosak Jr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Matthew Brian Kosak Jr.'s NPI number?

Matthew Brian Kosak Jr.'s NPI number is 1972013050. It was assigned on October 3, 2017, and it is active in the NPI Registry.

What does Matthew Brian Kosak Jr. specialize in?

Matthew Brian Kosak Jr. is a nurse practitioner in Medford, Oregon. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Matthew Brian Kosak Jr. practice?

Matthew Kosak practices at 2825 E Barnett Road, Medford, OR 97504. Matthew Kosak's primary practice is Asante Rogue Regional Medical Center in Medford, Oregon, part of Asante Health System. Dmand AI also links Matthew Kosak to 1 hospital.

What is Matthew Brian Kosak Jr.'s office phone number?

The practice phone on file for Matthew Kosak is (541) 789-7000.

What is Matthew Brian Kosak Jr.'s medical license number?

Matthew Kosak holds Oregon license 201708229NP-PP.

Which hospitals is Matthew Brian Kosak Jr. affiliated with?

Matthew Kosak practices at Asante Rogue Regional Medical Center in Medford, Oregon. Dmand AI links Matthew Kosak to 1 more hospital.

What medical group is Matthew Brian Kosak Jr. part of?

Matthew Kosak is linked to Asante Rogue Regional Medical Center.

Does Matthew Brian Kosak Jr. accept Medicare?

Yes. CMS lists Matthew Kosak as accepting Medicare assignment.

How many Medicare patients does Matthew Brian Kosak Jr. see?

CMS counts 139 Medicare patients who saw Matthew Kosak in 2024, with an average age of 72.

How long has Matthew Brian Kosak Jr. been practicing?

Matthew Kosak graduated from medical school in 2017, 9 years ago.

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