John C. Porter, DO
Family Medicine Physician · Viroqua, WI
John C. Porter, DO is a family medicine physician with a practice address in Viroqua, Wisconsin, and NPI 1568431021, issued on Mar 16, 2006. Check the license (Wisconsin 47098, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John C. Porter
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 47098 WI
Self-reported in NPPES; status is on the state search - Practice location
- 407 S Main St, Viroqua, WI 54665
- Phone
- (608) 637-3195
- Enumerated
- Mar 16, 2006
- Record last updated
- Oct 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (608) 637-8577
- Medicare enrollment
- Enrolled (PECOS I20060905000168); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 407 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Bassett, MDFamily Medicine Physician1649247222
- Kylie Berger, FNP, APNPFamily Nurse Practitioner1861874067
- Paul Bergquist, M.D.Family Medicine Physician1497798938
- Jenelle Boyer, OTR/L, CLTOccupational Therapist1124412499
- Kristine Brueggen, N.P.Nurse Practitioner1538107982
- Heather Chestelson, DPMPrimary Podiatric Medicine Podiatrist1710175997
Verify John C. Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 47098Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average family medicine physician in 2024
1,092 Medicare Part D claims for 275 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium66 claims
- Gabapentin46 claims
- Metformin Hcl Er45 claims
- Levothyroxine Sodium38 claims
- Omeprazole37 claims
- Lisinopril32 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 2 group practices
- Gundersen Clinic LtdViroqua, WI
- Gundersen Lutheran Medical Center IncOnalaska, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Porter among 3,765 family medicine physician records in Wisconsin
John C. Porter, DO 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
- Graduated2003 · median 2007 among the 2,347 with a school on file
- Record last updated2011 · 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).
17 family medicine physician records list a practice address in Viroqua
They are 17 of the 241 NPPES records with a practice address in Viroqua, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Viroqua → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rachel Bassett, MDViroqua, WI 546651649247222
- William Bender, M.D.Viroqua, WI 546651922091628
- Paul Bergquist, M.D.Viroqua, WI 546651497798938
- Bonnie Davidson, MDViroqua, WI 546651568427375
- Phoebe DevittViroqua, WI 546651336567932
- James Feltes, MDViroqua, WI 546651750386538
- Daniel Icenogle, M.D.Viroqua, WI 546651598714016
- Michael Kalinosky, MDViroqua, WI 546651770551269
Common questions
What is John C. Porter, DO's NPI number?
John C. Porter, DO's National Provider Identifier (NPI) is 1568431021, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Porter, DO located?
The NPPES record lists a practice address at 407 S Main St, Viroqua, WI, 54665. Phone: (608) 637-3195. Providers update this record themselves, so call before visiting.
How can I verify John C. Porter, DO's license?
NPPES lists Wisconsin license number 47098, 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 John C. Porter, DO prescribe under Medicare Part D?
In 2024, John C. Porter, DO had 1,092 Medicare Part D claims for 275 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.