Ruth Staszak, APNP
Nurse Practitioner · Oshkosh, WI
Ruth Staszak, APNP is a nurse practitioner with a practice address in Oshkosh, Wisconsin, and NPI 1518340090, issued on Jul 2, 2015. Check the license (Wisconsin 6475, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ruth Staszak
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 6475 WI
2014034632 WI
Self-reported in NPPES; status is on the state search - Practice location
- 855 N Westhaven Dr, Oshkosh, WI 54904
- Phone
- (920) 303-8700
- Enumerated
- Jul 2, 2015
- Record last updated
- Dec 8, 2024
- Medicaid ID
- 100047865 WI
- Medicare enrollment
- Enrolled (PECOS I20150917000373); 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 855 N Westhaven Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rami Abumasmah, MDHematology & Oncology Physician1972779551
- Abdulmajid AdamHospitalist Physician1528362258
- Awais Ahmed, MDGastroenterology Physician1316213481
- Kate Alexander, PA-CPhysician Assistant1700466414
- Hussein Alramini, M.D.Hospitalist Physician1497106512
- Ammar Alzoubi, MDInternal Medicine Physician1598773152
Verify Ruth Staszak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average nurse practitioner in 2024
2,284 Medicare Part D claims for 498 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 231 claims were for opioids.
Most prescribed
- Prednisone393 claims
- Hydroxychloroquine Sulfate330 claims
- Methotrexate239 claims
- Pregabalin138 claims
- Gabapentin107 claims
- Hydrocodone-Acetaminophen99 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): 77.8 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).
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Oshkosh, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruth Staszak among 3,995 nurse practitioner records in Wisconsin
Ruth Staszak, 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 2015, is newer than 46% of them.
- NPI issued2015 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2017 among the 2,701 with a school on file
- Record last updated2024 · 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).
92 nurse practitioner records list a practice address in Oshkosh
They are 92 of the 1,527 NPPES records with a practice address in Oshkosh, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Oshkosh → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Diane Ames, APNPOshkosh, WI 549041740357235
- Jamie Bonell, APNPOshkosh, WI 549041790832228
- Judith Brockman, APNPOshkosh, WI 549041073522728
- Suzanne Kiefer, APNPOshkosh, WI 549041083640056
- Xing Kong, NPOshkosh, WI 549041003896093
- Cindy Malson, APNPOshkosh, WI 549041770690232
- Gladys Michaelson, APNPOshkosh, WI 549041205828654
- Pamela Netzer, APNPOshkosh, WI 549041790892149
Common questions
What is Ruth Staszak, APNP's NPI number?
Ruth Staszak, APNP's National Provider Identifier (NPI) is 1518340090, issued on Jul 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Staszak, APNP located?
The NPPES record lists a practice address at 855 N Westhaven Dr, Oshkosh, WI, 54904. Phone: (920) 303-8700. Providers update this record themselves, so call before visiting.
How can I verify Ruth Staszak, APNP's license?
NPPES lists Wisconsin license number 6475, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Ruth Staszak, APNP prescribe under Medicare Part D?
In 2024, Ruth Staszak, APNP had 2,284 Medicare Part D claims for 498 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Ruth Staszak, APNP's MIPS final score?
The 2023 MIPS final score is 77.8 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.