John P. Doerfer, M.D.
Family Medicine Physician · Fort Atkinson, WI
John P. Doerfer, M.D. is a family medicine physician with a practice address in Fort Atkinson, Wisconsin, and NPI 1760466460, issued on Dec 6, 2005. Check the license (Wisconsin 49794-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John P. Doerfer
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 49794-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 740 Reena Ave, Fort Atkinson, WI 53538
- Phone
- (920) 563-0888
- Enumerated
- Dec 6, 2005
- Record last updated
- Jan 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (920) 568-3516
- Medicaid ID
- 1760466460 WI
- Entity
- Type 1 · individual
Also registered at 740 Reena Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Barry Cash, MDFamily Medicine Physician1033169016
- Colleen Hebert, O.D.Optometrist1114948221
- Alyce Hofmann, O.D.Optometrist1427191881
- Jeffery Kneiert, ODOptometrist1033160767
Verify John P. Doerfer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 49794-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16 family medicine physician records list a practice address in Fort Atkinson
They are 16 of the 361 NPPES records with a practice address in Fort Atkinson, 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 16 in Fort Atkinson → All 3,765 in Wisconsin → Every provider in Fort Atkinson →
Other family medicine physician records in Wisconsin
- Ashraf AbbasAppleton, WI1558723775
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Yusuf Abdullah, DOSun Prairie, WI1437788478
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Emily Abeyta, MDWaukesha, WI1386905107
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is John P. Doerfer, M.D.'s NPI number?
John P. Doerfer, M.D.'s National Provider Identifier (NPI) is 1760466460, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John P. Doerfer, M.D. located?
The NPPES record lists a practice address at 740 Reena Ave, Fort Atkinson, WI, 53538. Phone: (920) 563-0888. Providers update this record themselves, so call before visiting.
How can I verify John P. Doerfer, M.D.'s license?
NPPES lists Wisconsin license number 49794-020, 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.