Amy E. Nikolai, FNP
Nurse Practitioner · Merrill, WI
Amy E. Nikolai, FNP is a nurse practitioner with a practice address in Merrill, Wisconsin, and NPI 1477716462, issued on Jul 9, 2008. Check the license (Wisconsin 144716, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy E. Nikolai
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 144716 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1205 O Day St, Merrill, WI 54452
- Phone
- (715) 539-0101
- Enumerated
- Jul 9, 2008
- Record last updated
- Sep 28, 2023
- Medicare enrollment
- Enrolled (PECOS I20081017000254); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 1205 O Day St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Dodge, MDSurgery Physician1497857171
- Donald Evans, MDFamily Medicine Physician1841396256
- Andrea Heller, NPNurse Practitioner1134479819
- Arthur Marquis, MDFamily Medicine Physician1982793147
- Kristin Mocadlo, PA-CPhysician Assistant1558597666
- Rajender Polireddy, M.DInternal Medicine Physician1497998173
Verify Amy E. Nikolai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 144716Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average nurse practitioner in 2024
1,598 Medicare Part D claims for 155 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium101 claims
- Lisinopril77 claims
- Amlodipine Besylate76 claims
- Levothyroxine Sodium65 claims
- Hydrochlorothiazide63 claims
- Losartan Potassium57 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): 78.9 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
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy E. Nikolai among 3,995 nurse practitioner records in Wisconsin
Amy E. Nikolai, FNP 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 2008, is newer than 23% of them.
- NPI issued2008 · 23% of these records are older, 74% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2008 · median 2017 among the 2,701 with a school on file
- Record last updated2023 · 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).
5 nurse practitioner records list a practice address in Merrill
They are 5 of the 147 NPPES records with a practice address in Merrill, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Merrill → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Andrea Heller, NPMerrill, WI 544521134479819
- Juanita Silverstein, NPMerrill, WI 544521417275009
- Kathleen Weix-Klippel, NPMerrill, WI 544521750485066
- Craig Zastrow, ANPCMerrill, WI 544521407835903
- Diane Anderson, FNPCMedford, WI 544511801875364
- Janice Berry, APNPMedford, WI 544511366453334
- Haley Erl, DNPMedford, WI 544511770067357
- Alexandra Gaines, AGACNP-BCMedford, WI 544511245123728
Common questions
What is Amy E. Nikolai, FNP's NPI number?
Amy E. Nikolai, FNP's National Provider Identifier (NPI) is 1477716462, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Amy E. Nikolai, FNP located?
The NPPES record lists a practice address at 1205 O Day St, Merrill, WI, 54452. Phone: (715) 539-0101. Providers update this record themselves, so call before visiting.
How can I verify Amy E. Nikolai, FNP's license?
NPPES lists Wisconsin license number 144716, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Amy E. Nikolai, FNP prescribe under Medicare Part D?
In 2024, Amy E. Nikolai, FNP had 1,598 Medicare Part D claims for 155 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Amy E. Nikolai, FNP's MIPS final score?
The 2023 MIPS final score is 78.9 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.