David B. Lonsdorf, MD
Family Medicine Physician · Mt Horeb, WI
David B. Lonsdorf, MD is a family medicine physician with a practice address in Mt Horeb, Wisconsin, and NPI 1033179205, issued on Mar 23, 2006. Check the license (Wisconsin 26150, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David B. Lonsdorf
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 26150 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 N 8TH St, Mt Horeb, WI 53572
- Phone
- (608) 437-3064
- Enumerated
- Mar 23, 2006
- Record last updated
- Mar 4, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (608) 437-4542
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 600 N 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Eglash, MDFamily Medicine Physician1053380428
- Kenneth Israel, MDInternal Medicine Physician1508832510
Verify David B. Lonsdorf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 26150Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David B. Lonsdorf among 3,765 family medicine physician records in Wisconsin
David B. Lonsdorf, 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 not. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2009 · 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).
2 family medicine physician records list a practice address in Mt Horeb
They are 2 of the 11 NPPES records with a practice address in Mt Horeb, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,765 in Wisconsin → Every provider in Mt Horeb → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kari Cataldo, M.D.Mount Horeb, WI 535721124122312
- Timothy Drews, MDMount Horeb, WI 535721336118868
- Anne Eglash, MDMt Horeb, WI 535721053380428
- Kyle MinerMount Horeb, WI 535721831331305
- Morgan Nagel, FNP-CMount Horeb, WI 535721720923139
- Jennifer Shafer, M.D.Mount Horeb, WI 535721104180298
- John Gietzen, D.O.New Glarus, WI 535741538178025
- Christian Springer, DONew Glarus, WI 535741700520707
Common questions
What is David B. Lonsdorf, MD's NPI number?
David B. Lonsdorf, MD's National Provider Identifier (NPI) is 1033179205, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David B. Lonsdorf, MD located?
The NPPES record lists a practice address at 600 N 8TH St, Mt Horeb, WI, 53572. Phone: (608) 437-3064. Providers update this record themselves, so call before visiting.
How can I verify David B. Lonsdorf, MD's license?
NPPES lists Wisconsin license number 26150, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.