Marietta S. Kern, APNP
Nurse Practitioner · Wausau, WI
Marietta S. Kern, APNP is a nurse practitioner with a practice address in Wausau, Wisconsin, and NPI 1023032075, issued on Jul 26, 2006. Check the license (Wisconsin 125671, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marietta S. Kern
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 125671 WI
Self-reported in NPPES; status is on the state search - Practice location
- 218 N 28TH Ave, Wausau, WI 54401
- Phone
- (715) 847-2866
- Enumerated
- Jul 26, 2006
- Record last updated
- Mar 14, 2024
- Medicare enrollment
- Enrolled (PECOS I20060815000207); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Verify Marietta S. Kern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 125671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average nurse practitioner in 2024
1,212 Medicare Part D claims for 343 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 67 claims were for opioids.
Most prescribed
- Anastrozole143 claims
- Tamoxifen Citrate75 claims
- Letrozole61 claims
- Acyclovir57 claims
- Potassium Chloride52 claims
- Hydroxyurea49 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): 83.7 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: $127.20
1 payment: food and beverage; the largest payer was Janssen Biotech, 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
- Aspirus Wausau Hospital IncWausau, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marietta S. Kern among 3,995 nurse practitioner records in Wisconsin
Marietta S. Kern, 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
- Graduated2006 · 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).
64 nurse practitioner records list a practice address in Wausau
They are 64 of the 1,958 NPPES records with a practice address in Wausau, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Wausau → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Rhonda Bartelt, FNPCWausau, WI 544011699754184
- Russell Creel, NPWausau, WI 544011134265739
- Lori Erdman, ANPCWausau, WI 544011427036789
- Amy Higgins, NPWausau, WI 544011902821747
- Inger Jacobson, NPWausau, WI 544011336257229
- Christina Kurkowski, NPWausau, WI 544011467460816
- Jennifer Mullen, APNPWausau, WI 544011578579512
- Vicki Musselman, NPWausau, WI 544011063409159
Common questions
What is Marietta S. Kern, APNP's NPI number?
Marietta S. Kern, APNP's National Provider Identifier (NPI) is 1023032075, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marietta S. Kern, APNP located?
The NPPES record lists a practice address at 218 N 28TH Ave, Wausau, WI, 54401. Phone: (715) 847-2866. Providers update this record themselves, so call before visiting.
How can I verify Marietta S. Kern, APNP's license?
NPPES lists Wisconsin license number 125671, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Marietta S. Kern, APNP prescribe under Medicare Part D?
In 2024, Marietta S. Kern, APNP had 1,212 Medicare Part D claims for 343 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Marietta S. Kern, APNP's MIPS final score?
The 2023 MIPS final score is 83.7 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.