Kellsey Mary Fellbaum, DNP, FNP-BC
Family Nurse Practitioner · Ladysmith, WI
Kellsey Mary Fellbaum, DNP, FNP-BC is a family nurse practitioner with a practice address in Ladysmith, Wisconsin, and NPI 1811584147, issued on Dec 21, 2020. Check the license (Wisconsin 10426, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kellsey Mary Fellbaum
- Credential
- DNP, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 10426 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Port Arthur RD, Ladysmith, WI 54848
- Phone
- (715) 532-5561
- Enumerated
- Dec 21, 2020
- Record last updated
- Dec 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20210222000956); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 1200 Port Arthur RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kryselle Geroy, PTPhysical Therapist1245538768
- Amber Hall, NPFamily Nurse Practitioner1174308019
- Ernest Hall, NPPsychiatric/Mental Health Nurse Practitioner1245015171
- Patricia Hautamaki, PTPhysical Therapist1528168267
Verify Kellsey Mary Fellbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 10426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,247 Medicare Part D claims for 315 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 100 claims were for opioids.
Most prescribed
- Atorvastatin Calcium259 claims
- Lisinopril179 claims
- Losartan Potassium175 claims
- Levothyroxine Sodium166 claims
- Amlodipine Besylate144 claims
- Omeprazole143 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).
Industry payments in 2024: $24.26
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 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
- Mchs Hospitals IncLadysmith, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kellsey Mary Fellbaum among 2,814 family nurse practitioner records in Wisconsin
Kellsey Mary Fellbaum, DNP, FNP-BC is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2019 among the 1,740 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family nurse practitioner records list a practice address in Ladysmith
They are 9 of the 122 NPPES records with a practice address in Ladysmith, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Ladysmith → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Brita Bush, FNP-CLadysmith, WI 548481164033387
- Amanda Crabb, APNPLadysmith, WI 548481467004887
- Stephanie Croft, FNP-BCLadysmith, WI 548481235789199
- Amber Hall, NPLadysmith, WI 548481174308019
- Sheila Heiser, APNPLadysmith, WI 548481891209664
- Irene Presnell, NPLadysmith, WI 548481871915298
- Danielle Soltis, APNPLadysmith, WI 548481114672136
- Jessica Takach, APNPLadysmith, WI 548481053756973
Common questions
What is Kellsey Mary Fellbaum, DNP, FNP-BC's NPI number?
Kellsey Mary Fellbaum, DNP, FNP-BC's National Provider Identifier (NPI) is 1811584147, issued on Dec 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kellsey Mary Fellbaum, DNP, FNP-BC located?
The NPPES record lists a practice address at 1200 Port Arthur RD, Ladysmith, WI, 54848. Phone: (715) 532-5561. Providers update this record themselves, so call before visiting.
How can I verify Kellsey Mary Fellbaum, DNP, FNP-BC's license?
NPPES lists Wisconsin license number 10426, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Kellsey Mary Fellbaum, DNP, FNP-BC prescribe under Medicare Part D?
In 2024, Kellsey Mary Fellbaum, DNP, FNP-BC had 4,247 Medicare Part D claims for 315 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Kellsey Mary Fellbaum, DNP, FNP-BC'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.