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

John S Ferguson, MD

Individual provider Internal Medicine Physician · NPI 1205823317

John S Ferguson, MD is a Pulmonary Disease in Madison, Wisconsin. Graduated from University of Texas Medical Branch at Galveston in 1988, 38 years ago. Practices with University of Wisconsin Medical Foundation Inc, a 2,536-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
38
Trained at
University of Texas Medical Branch at Galveston
Licensed in
WI
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

600 Highland Ave
Madison, WI 53792-0001
Phone: (608) 263-7203
Fax: (608) 263-9103
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 52109 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 52109 (WI)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 52109 (WI)

Record details

NPI number1205823317
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESJanuary 29, 2021
Certification dateJanuary 29, 2021
Mailing address7974 Uw Health Ct, Middleton, WI 53562-5531

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1988 (38 years in practice)
Group practice University Of Wisconsin Medical Foundation Inc — 2536 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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