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
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Practice location Address checks out

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone: (414) 805-6444
Fax: (414) 805-6702
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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
Mailing address9200 W Wisconsin Ave, Milwaukee, WI 53226-3522

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