Amber Marie Demerath, NP
Nurse Practitioner · Neenah, WI
Amber Marie Demerath, NP is a nurse practitioner with a practice address in Neenah, Wisconsin, and NPI 1356072417, issued on Jun 20, 2022. Check the license (Wisconsin 11954-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amber Marie Demerath
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 11954-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 300 N Commercial St # 300, Neenah, WI 54956
- Phone
- (920) 886-0818
- Enumerated
- Jun 20, 2022
- Record last updated
- Apr 23, 2024
- Medicare enrollment
- Enrolled (PECOS I20220816001171); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Verify Amber Marie Demerath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 11954-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average nurse practitioner in 2024
806 Medicare Part D claims for 203 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Calcitriol221 claims
- Sevelamer Carbonate70 claims
- Hydralazine Hcl63 claims
- Furosemide60 claims
- Amlodipine Besylate38 claims
- Calcium Acetate27 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.
Industry payments in 2024: $1,732.55
57 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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 2 group practices
- Fox Valley Nephrology Partners S CNeenah, WI
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amber Marie Demerath among 3,995 nurse practitioner records in Wisconsin
Amber Marie Demerath, 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 2022, is newer than 79% of them.
- NPI issued2022 · 79% of these records are older, 15% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · 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).
57 nurse practitioner records list a practice address in Neenah
They are 57 of the 919 NPPES records with a practice address in Neenah, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Neenah → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Mary Barker, FNP-CNeenah, WI 549561902807639
- Penny Bernards, ARNPNeenah, WI 549561760425573
- Janet Gruendemann, NPNeenah, WI 549561598750903
- Tricia Koch, A.P.N.P.Neenah, WI 549561538263223
- Jane Levine, NPNeenah, WI 549561821105370
- Jessica Lillie, A.P.N.PNeenah, WI 549561932100096
- Christine Munson, NPNeenah, WI 549561427133834
- Kristin Neilsen, NPNeenah, WI 549561902841497
Common questions
What is Amber Marie Demerath, NP's NPI number?
Amber Marie Demerath, NP's National Provider Identifier (NPI) is 1356072417, issued on Jun 20, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Amber Marie Demerath, NP located?
The NPPES record lists a practice address at 300 N Commercial St # 300, Neenah, WI, 54956. Phone: (920) 886-0818. Providers update this record themselves, so call before visiting.
How can I verify Amber Marie Demerath, NP's license?
NPPES lists Wisconsin license number 11954-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Amber Marie Demerath, NP prescribe under Medicare Part D?
In 2024, Amber Marie Demerath, NP had 806 Medicare Part D claims for 203 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
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.