Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Williams

Individual provider Pediatric Infectious Diseases Physician · NPI 1831286962

John Williams is an Infectious Disease in Madison, Wisconsin. Graduated from Virginia Commonwealth University, School of Medicine in 1994, 32 years ago. Practices with University of Wisconsin Medical Foundation Inc, a 2,536-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in New Hampshire, Tennessee and Wisconsin.

Years since qualifying
32
Trained at
Virginia Commonwealth University, School of Medicine
Licensed in
NH, TN, WI
In the registry since
2006
Specialties on file
3

Practice location Address checks out

1675 Highland Ave
Madison, WI 53792-0001
Phone: (608) 263-0946
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 1 Medical Center Dr, Lebanon, NH 03756-1000 — (603) 650-5000
  • 3601 Tvc, Nashville, TN 37232-0001 — (615) 322-3000
  • 600 Highland Ave, Madison, WI 53792-0001 — (608) 263-0946

Specialties & licences

Pediatric Infectious Diseases Physician (primary) Taxonomy 2080P0208X · Licence 84587-20 (WI)
Pediatric Infectious Diseases Physician Taxonomy 2080P0208X · Licence 23460 (NH)
Pediatric Infectious Diseases Physician Taxonomy 2080P0208X · Licence MD34293 (TN)

Record details

NPI number1831286962
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 9, 2006
Last updated in NPPESFebruary 24, 2025
Certification dateFebruary 24, 2025
Mailing address7974 Uw Health Ct, Middleton, WI 53562-5531

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Medical schoolVIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice University Of Wisconsin Medical Foundation Inc — 2536 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Madison