Lynda J. Kasper, MD
Family Medicine Physician · Fond Du Lac, WI
Lynda J. Kasper, MD is a family medicine physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1063494144, issued on Nov 15, 2005. Check the license (Wisconsin 30425, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lynda J. Kasper
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 30425 WI
Self-reported in NPPES; status is on the state search - Practice location
- 420 E Division St, Fond Du Lac, WI 54935
- Phone
- (920) 926-8200
- Enumerated
- Nov 15, 2005
- Record last updated
- Oct 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 31555300 WI
- Medicare enrollment
- Enrolled (PECOS I20100428000162); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 420 E Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Berenz, FNP-BCFamily Nurse Practitioner1619386885
- Melissa Berggren, PA-CPhysician Assistant1639377617
- Louann Biddick, NPNurse Practitioner1770566721
- Jennifer Bissell, MDFamily Medicine Physician1316146962
- Tiffany Boelk, APNPNurse Practitioner1700459690
- David Bowman, M.D.Cardiovascular Disease Physician1962492397
Verify Lynda J. Kasper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 30425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
248 Medicare Part D claims for 190 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass39 claims
- Cephalexin30 claims
- Prednisone27 claims
- Doxycycline Hyclate16 claims
- Azithromycin15 claims
- Albuterol Sulfate Hfa13 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.
Bills Medicare through one group practice
- Thedacare, IncorporatedAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynda J. Kasper among 3,765 family medicine physician records in Wisconsin
Lynda J. Kasper, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1988 · median 2007 among the 2,347 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in Fond Du Lac
They are 27 of the 1,312 NPPES records with a practice address in Fond Du Lac, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Fond Du Lac → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Bachhuber, MDFond Du Lac, WI 549351538150990
- William Brusky, MDFond Du Lac, WI 549351124019898
- Paul Chambers, MDFond Du Lac, WI 549351518958123
- Derek Colmenares, MDFond Du Lac, WI 549351831180470
- Jamie Deering, MDFond Du Lac, WI 549351164473617
- Gina Everson, MDFond Du Lac, WI 549351124019799
- Thomas Fabricius, MDFond Du Lac, WI 549351861475592
- Kent Hartung, MDFond Du Lac, WI 549351417925595
Common questions
What is Lynda J. Kasper, MD's NPI number?
Lynda J. Kasper, MD's National Provider Identifier (NPI) is 1063494144, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lynda J. Kasper, MD located?
The NPPES record lists a practice address at 420 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 926-8200. Providers update this record themselves, so call before visiting.
How can I verify Lynda J. Kasper, MD's license?
NPPES lists Wisconsin license number 30425, 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 Lynda J. Kasper, MD prescribe under Medicare Part D?
In 2024, Lynda J. Kasper, MD had 248 Medicare Part D claims for 190 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.