Madeline Rita Fasen, DO
Endocrinology, Diabetes & Metabolism Physician · La Crosse, WI
Madeline Rita Fasen, DO is an endocrinology, diabetes & metabolism physician with a practice address in La Crosse, Wisconsin, and NPI 1033613583, issued on Mar 20, 2018. Check the license (Wisconsin 81451, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Madeline Rita Fasen
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 81451 WI
1033613583 FL
Self-reported in NPPES; status is on the state search - Practice location
- 800 West Ave S, La Crosse, WI 54601
- Phone
- (608) 785-0940
- Enumerated
- Mar 20, 2018
- Record last updated
- Sep 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20240924001801); accepts Medicare assignment
- Medical or professional school
- Nova Southeastern College Of Osteo Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 187 in Wisconsin → Look up another NPI →
Also registered at 800 West Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Madeline Rita Fasen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 81451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
86 Medicare Part D claims for 45 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Levothyroxine Sodium15 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: $339.69
4 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Madeline Rita Fasen among 187 endocrinology, diabetes & metabolism physician records in Wisconsin
Madeline Rita Fasen, DO is one of 187 endocrinology, diabetes & metabolism physician records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 87% of them.
- NPI issued2018 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2018 · median 2003 among the 134 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Wisconsin
There are 187 endocrinology, diabetes & metabolism physician records in Wisconsin.
All 187 in Wisconsin → Every provider in La Crosse → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Arnold Asp, MDLa Crosse, WI 546011700888922
- Mary Frohnauer, MDLa Crosse, WI 546011013018704
- Jane Korducki, MDLa Crosse, WI 546011356339535
- Rachel McKenney, MDLa Crosse, WI 546011033349246
- Gregory Pehling, MDLa Crosse, WI 546011871595116
- Kharisa Rachmasari, M.D.La Crosse, WI 546011225525215
- Richard Reynertson, MDLa Crosse, WI 546011093717050
- Aiman Riaz, M.DLa Crosse, WI 546011992157903
Common questions
What is Madeline Rita Fasen, DO's NPI number?
Madeline Rita Fasen, DO's National Provider Identifier (NPI) is 1033613583, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Madeline Rita Fasen, DO located?
The NPPES record lists a practice address at 800 West Ave S, La Crosse, WI, 54601. Phone: (608) 785-0940. Providers update this record themselves, so call before visiting.
How can I verify Madeline Rita Fasen, DO's license?
NPPES lists Wisconsin license number 81451, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Madeline Rita Fasen, DO prescribe under Medicare Part D?
In 2024, Madeline Rita Fasen, DO had 86 Medicare Part D claims for 45 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.