Ann M. Mayer, NP
Nurse Practitioner · Oshkosh, WI
Ann M. Mayer, NP is a nurse practitioner with a practice address in Oshkosh, Wisconsin, and NPI 1295387975, issued on Jul 12, 2019. Check the license (Wisconsin 9092-033, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann M. Mayer
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 9092-033 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 12, 2019
- Record last updated
- Jan 16, 2024
- Medicaid ID
- 100090713 WI
- Medicare enrollment
- Enrolled (PECOS I20190718000034); accepts Medicare assignment
- 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.
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Verify Ann M. Mayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 9092-033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average nurse practitioner in 2024
541 Medicare Part D claims for 201 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Metoprolol Succinate57 claims
- Atorvastatin Calcium43 claims
- Clopidogrel42 claims
- Amlodipine Besylate36 claims
- Metoprolol Tartrate32 claims
- Lisinopril31 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): 78.2 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: $24.17
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, 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
- Aurora Medical Group, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann M. Mayer among 3,995 nurse practitioner records in Wisconsin
Ann M. Mayer, NP 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 2019, is newer than 65% of them.
- NPI issued2019 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2018 · 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 Ann M. Mayer, NP's NPI number?
Ann M. Mayer, NP's National Provider Identifier (NPI) is 1295387975, issued on Jul 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ann M. Mayer, NP 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 Ann M. Mayer, NP's license?
NPPES lists Wisconsin license number 9092-033, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Ann M. Mayer, NP prescribe under Medicare Part D?
In 2024, Ann M. Mayer, NP had 541 Medicare Part D claims for 201 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Ann M. Mayer, NP's MIPS final score?
The 2023 MIPS final score is 78.2 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.