Dennis K. Showalter
Family Medicine Physician · Wayzata, MN
Dennis K. Showalter is a family medicine physician with a practice address in Wayzata, Minnesota, and NPI 1477530996, issued on Dec 27, 2005. Check the license (Minnesota 39874, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Dennis K. Showalter
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 39874 MN
Self-reported in NPPES; status is on the state search - Practice location
- 250 Central Ave N, Wayzata, MN 55391
- Phone
- (952) 993-8250
- Enumerated
- Dec 27, 2005
- Record last updated
- Jun 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (952) 993-8276
- Medicare enrollment
- Enrolled (PECOS I20100203000504); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 250 Central Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dennis K. Showalter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 39874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Park Nicollet ClinicBloomington, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis K. Showalter among 3,985 family medicine physician records in Minnesota
Dennis K. Showalter is one of 3,985 family medicine physician records with a practice address in Minnesota. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2006 among the 2,483 with a school on file
- Record last updated2012 · 63% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family medicine physician records list a practice address in Wayzata
They are 9 of the 301 NPPES records with a practice address in Wayzata, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Wayzata → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Terry Boksberger, D.O.Wayzata, MN 553911689867129
- Ashley ForstromWayzata, MN 553911639732837
- Kelsey Lien, MDWayzata, MN 553911699395707
- Christine McCarthyWayzata, MN 553911518943117
- Laura OlsonWayzata, MN 553911780661629
- Laura PadhyeWayzata, MN 553911104323781
- David Ross, MDWayzata, MN 553911538135843
- Patricia Sorensen, M.D.Wayzata, MN 553911275786105
Common questions
What is Dennis K. Showalter's NPI number?
Dennis K. Showalter's National Provider Identifier (NPI) is 1477530996, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dennis K. Showalter located?
The NPPES record lists a practice address at 250 Central Ave N, Wayzata, MN, 55391. Phone: (952) 993-8250. Providers update this record themselves, so call before visiting.
How can I verify Dennis K. Showalter's license?
NPPES lists Minnesota license number 39874, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. 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. 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.