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

John Keegan

Individual provider Internal Medicine Physician · NPI 1053842385

John Keegan is an Infectious Disease in Milwaukee, Wisconsin. Graduated from Medical College of Wisconsin in 2017, 9 years ago. Practices with Vivent Health Inc, a 54-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
9
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2017
Specialties on file
2
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone: (414) 805-6444
Fax: (414) 805-6702
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 820 N Plankinton Ave # 20, Milwaukee, WI 53203-1802 — (608) 252-6540

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 71891 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 71891 (WI)

Record details

NPI number1053842385
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 27, 2017
Last updated in NPPESJune 22, 2022
Certification dateJune 22, 2022

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2017 (9 years in practice)
Group practice Vivent Health Inc — 54 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in Milwaukee