David K. Mahon, MD
Family Medicine Physician · Delavan, WI
David K. Mahon, MD is a family medicine physician with a practice address in Delavan, Wisconsin, and NPI 1326155888, issued on Aug 23, 2006. Check the license (Wisconsin 31667, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David K. Mahon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 31667 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1550 Hobbs Dr, Delavan, WI 53115
- Phone
- (262) 740-4200
- Enumerated
- Aug 23, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (262) 740-4229
- Medicaid ID
- 31643400 WI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1550 Hobbs Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kurt Brueckert, MDFamily Medicine Physician1114936820
- Carrie Burg, MS, LATSports Medicine (Physical Medicine & Rehabilitation) Physician1376170589
- Pascalle Dumez, PTPhysical Therapist1063631570
Verify David K. Mahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 31667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
11 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
David K. Mahon among 3,765 family medicine physician records in Wisconsin
David K. Mahon, 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 fileNo · 62% of these records are
- Record last updated2023 · 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).
9 family medicine physician records list a practice address in Delavan
They are 9 of the 137 NPPES records with a practice address in Delavan, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Delavan → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kurt Brueckert, MDDelavan, WI 531151114936820
- Michael Fehling, MDDelavan, WI 531151528173663
- Javier Gallegos, M.D.Delavan, WI 531151568819845
- Christopher Gilman, MDDelavan, WI 531151437198736
- Rachel Gronau, MDDelavan, WI 531151326227323
- Tesalia Jordens, D.O.Delavan, WI 531151750762472
- Julie Lynch, DODelavan, WI 531151598864233
- Jamison Utzig, MDDelavan, WI 531151760055578
Common questions
What is David K. Mahon, MD's NPI number?
David K. Mahon, MD's National Provider Identifier (NPI) is 1326155888, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David K. Mahon, MD located?
The NPPES record lists a practice address at 1550 Hobbs Dr, Delavan, WI, 53115. Phone: (262) 740-4200. Providers update this record themselves, so call before visiting.
How can I verify David K. Mahon, MD's license?
NPPES lists Wisconsin license number 31667, 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 David K. Mahon, MD prescribe under Medicare Part D?
In 2024, David K. Mahon, MD had 11 Medicare Part D claims; 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.