Barry C. Fox, MD
Infectious Disease Physician · Madison, WI
Barry C. Fox, MD is an infectious disease physician with a practice address in Madison, Wisconsin, and NPI 1780651935, issued on Mar 7, 2006. Check the license (Wisconsin 25586, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Barry C. Fox
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 25586 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-0943
- Enumerated
- Mar 7, 2006
- Record last updated
- Apr 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (608) 287-2438
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 171 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barry C. Fox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 25586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average infectious disease physician in 2024
26 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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.
Barry C. Fox among 171 infectious disease physician records in Wisconsin
Barry C. Fox, MD is one of 171 infectious disease physician records with a practice address in Wisconsin. 83% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2009 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Wisconsin
There are 171 infectious disease physician records in Wisconsin.
All 171 in Wisconsin → Every provider in Madison → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- David Andes, MDMadison, WI 537921154398857
- Christopher Crnich, MDMadison, WI 537921740257419
- Gregory Gauthier, M.D.Madison, WI 537921194787754
- Eric Johannsen, MDMadison, WI 537921437115680
- Alexander Lepak, M.D.Madison, WI 537921265490536
- Dennis Maki, MDMadison, WI 537921255307195
- Mark Mounajjed, MDMadison, WI 537921891789897
- Jeniel Nett, M.D.Madison, WI 537921316905698
Common questions
What is Barry C. Fox, MD's NPI number?
Barry C. Fox, MD's National Provider Identifier (NPI) is 1780651935, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry C. Fox, MD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-0943. Providers update this record themselves, so call before visiting.
How can I verify Barry C. Fox, MD's license?
NPPES lists Wisconsin license number 25586, 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 Barry C. Fox, MD prescribe under Medicare Part D?
In 2024, Barry C. Fox, MD had 26 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.