John Williams
Pediatric Infectious Diseases Physician · Madison, WI
John Williams is a pediatric infectious diseases physician with a practice address in Madison, Wisconsin, and NPI 1831286962, issued on Oct 9, 2006. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Williams
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- Practice location
- 1675 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-0946
- Enumerated
- Oct 9, 2006
- Entity
- Type 1 · individual
Also registered at 1675 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Talal Al Hendawi, MDStudent in an Organized Health Care Education/Training Program1104664143
- Erin Ard, MS, RDN, CDRegistered Dietitian1396435475
- Taiya Bach Streiffer, MPH, RD, CD,Pediatric Nutrition Registered Dietitian1811350762
- Catherine Bautch, PT, DPTPhysical Therapist1235063272
- Cassidy Bender, RNRegistered Nurse1033941034
- Julia Benjamin, PHDCounseling Psychologist1417472341
Verify John Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Pediatric Infectious Diseases Physician providers in Wisconsin
There are 21 pediatric infectious diseases physician records in Wisconsin.
Other pediatric infectious diseases physician records in Wisconsin
- Khaled Al-ZubaidiWauwatosa, WI1891412672
- James Conway, MDMadison, WI1447226188
- Gregory Demuri, MDMadison, WI1205895786
- Gabriela Espinoza-Candelaria, MDMilwaukee, WI1679077168
- Kelly Graff, M.D.Milwaukee, WI1093101792
- Peter Havens, MDMilwaukee, WI1053365866
- Sheryl Henderson, MDMadison, WI1356386189
- Kelly Henrickson, MDMilwaukee, WI1033161708
- Bruce Klein, MDMadison, WI1073589727
- Swati Kumar, M.D.Milwaukee, WI1013112432
Common questions
What is John Williams's NPI number?
John Williams's National Provider Identifier (NPI) is 1831286962, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Williams located?
The NPPES record lists a practice address at 1675 Highland Ave, Madison, WI, 53792. Phone: (608) 263-0946. Providers update this record themselves, so call before visiting.
How can I verify John Williams's license?
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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.