Barbara J. Koschak, APNP
Nurse Practitioner · Madison, WI
Barbara J. Koschak, APNP is a nurse practitioner with a practice address in Madison, Wisconsin, and NPI 1629033873, issued on Apr 19, 2006. Check the license (Wisconsin 2241033, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Barbara J. Koschak
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 2241033 WI
Self-reported in NPPES; status is on the state search - Practice location
- 621 Science Dr, Madison, WI 53711
- Phone
- (608) 265-3207
- Enumerated
- Apr 19, 2006
- Record last updated
- Dec 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (608) 263-4995
- Medicare enrollment
- Enrolled (PECOS I20041022000426); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 621 Science Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barbara J. Koschak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2241033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average nurse practitioner in 2024
604 Medicare Part D claims for 199 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 58 claims were for opioids.
Most prescribed
- Mexiletine Hcl117 claims
- Pregabalin115 claims
- Duloxetine Hcl72 claims
- Gabapentin65 claims
- Baclofen48 claims
- Oxycodone Hcl40 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $64.79
2 payments; by number, the most common kind was food and beverage; the largest payer was Spr Therapeutics, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara J. Koschak among 3,995 nurse practitioner records in Wisconsin
Barbara J. Koschak, APNP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 82% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2002 · median 2017 among the 2,701 with a school on file
- Record last updated2016 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
516 nurse practitioner records list a practice address in Madison
They are 516 of the 15,014 NPPES records with a practice address in Madison, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Madison → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
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- Scot Johnson, RN, BSNMadison, WI 537111407167216
- Erica Jones, NPFitchburg, WI 537111922230705
- Kim Litwack, NPMadison, WI 537111912026386
- Kelly Planton, APNPFitchburg, WI 537111578848685
- Dawn Sebranek, RN, CPNP, APNPFitchburg, WI 537111083948368
- Linda SzalkuckiFitchburg, WI 537111750345468
Common questions
What is Barbara J. Koschak, APNP's NPI number?
Barbara J. Koschak, APNP's National Provider Identifier (NPI) is 1629033873, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara J. Koschak, APNP located?
The NPPES record lists a practice address at 621 Science Dr, Madison, WI, 53711. Phone: (608) 265-3207. Providers update this record themselves, so call before visiting.
How can I verify Barbara J. Koschak, APNP's license?
NPPES lists Wisconsin license number 2241033, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Barbara J. Koschak, APNP prescribe under Medicare Part D?
In 2024, Barbara J. Koschak, APNP had 604 Medicare Part D claims for 199 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Barbara J. Koschak, APNP's MIPS final score?
The 2023 MIPS final score is 77.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.