NPPES file of Aug 9, 2026

Daniel Landdeck, MD

Family Medicine Physician · Sparta, WI

Daniel Landdeck, MD is a family medicine physician with a practice address in Sparta, Wisconsin, and NPI 1760451165, issued on Mar 16, 2006. Check the license (Wisconsin 34940, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760451165
Name
Daniel Landdeck
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
34940 WI
Self-reported in NPPES; status is on the state search
Practice location
315 W Oak St, Sparta, WI 54656
Phone
(920) 887-9272
Enumerated
Mar 16, 2006
Record last updated
Jan 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100601000176); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 315 W Oak St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Judy Lottmann, MDSurgery Physician1861498883
  2. Amber Oshan, PAMedical Physician Assistant1649274085
  3. Michael Pace, MDFamily Medicine Physician1295730240
  4. Melissa Revels, APNPAdult Health Nurse Practitioner1760935043
  5. Jill Stebbins, MDFamily Medicine Physician1780688564
  6. Jessica Stefanski-Williams, DOFamily Medicine Physician1194946608

Verify Daniel Landdeck in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 34940
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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71% fewer Medicare Part D claims than the average family medicine physician in 2024

1,037 Medicare Part D claims for 130 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 47 claims were for opioids.

  1. Daniel Landdeck1,037
  2. Specialty average3,544

Most prescribed

  1. Metoprolol Succinate58 claims
  2. Atorvastatin Calcium57 claims
  3. Omeprazole55 claims
  4. Tamsulosin Hcl38 claims
  5. Metformin Hcl Er31 claims
  6. Levothyroxine Sodium30 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

  1. Gundersen Clinic LtdArcadia, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Daniel Landdeck among 3,765 family medicine physician records in Wisconsin

Daniel Landdeck, 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1992 · median 2007 among the 2,347 with a school on file
  • Record last updated2016 · 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).

16 family medicine physician records list a practice address in Sparta

They are 16 of the 178 NPPES records with a practice address in Sparta, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Zachary April, DOSparta, WI 546561114423845
  2. Christina Deboer-Collins, DOSparta, WI 546561083145148
  3. Joseph Lehner, DOSparta, WI 546561700876240
  4. Michael Pace, MDSparta, WI 546561295730240
  5. Patricia Raftery, DOSparta, WI 546561063402568
  6. Jessica Sosso, MDSparta, WI 546561205042199
  7. Jill Stebbins, MDSparta, WI 546561780688564
  8. Jessica Stefanski-Williams, DOSparta, WI 546561194946608

Common questions

What is Daniel Landdeck, MD's NPI number?

Daniel Landdeck, MD's National Provider Identifier (NPI) is 1760451165, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Landdeck, MD located?

The NPPES record lists a practice address at 315 W Oak St, Sparta, WI, 54656. Phone: (920) 887-9272. Providers update this record themselves, so call before visiting.

How can I verify Daniel Landdeck, MD's license?

NPPES lists Wisconsin license number 34940, 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 Daniel Landdeck, MD prescribe under Medicare Part D?

In 2024, Daniel Landdeck, MD had 1,037 Medicare Part D claims for 130 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.