Dr. John Thaddeus Brennan, MD - Onalaska, WI - Emergency Medicine, Internal Medicine, Family Medicine

Dr. John Thaddeus Brennan, MD

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Emergency Medicine, Internal Medicine, Family Medicine
Onalaska, WI 54650 (2 other locations)
Dr. John Thaddeus Brennan, MD is a health care provider primarily located in Onalaska, WI, with other offices in Sparta, WI and La Crescent, MN. He has 57 years of experience. His specialties include Emergency Medicine, Internal Medicine, Family Medicine. Dr. Brennan is affiliated with Mayo Clinic Health System Franciscan Healthcare Sparta. He speaks Spanish and English.

Quick Facts

  • 57 years of experience
  • 21 insurances accepted
  • speaks Spanish, English
  • University Of Wisconsin School Of Medicine & Public Health
  • 3 specialties
  • 3 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 3 locations

Locations

Dr. John Thaddeus Brennan has 3 locations

Franciscan Skemp Healthcare Sparta

310 W Main St Sparta, WI 54656

Dr. John Thaddeus Brennan

524 N Elm St La Crescent, MN 55947

Insurance Plans Accepted by Dr. John Thaddeus Brennan

  • 2020 Medica Essential
  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • CIGNA Open Access Plus
  • CIGNA PPO
  • Humana Choice POS
  • Humana ChoiceCare Network PPO
  • Medica Choice With UHC
  • MEDICA CHOICE WITH UNITEDHEALTHC
  • Medica Individual Choice
  • Multiplan PPO
  • PHCS PPO
  • UHC Choice Plus POS
  • UHC Medica Choice
  • UHC Navigate HMO
  • UHC NAVIGATE PLUS POS
  • UHC Navigate POS
  • UHC Nexus Open Access
  • UHC Options PPO
  • WPS Group

Specialties

Dr. John Thaddeus Brennan has the following 3 specialties

Specialty Expertise

Dr. John Thaddeus Brennan has the following 3 areas of expertise

  • Accidents
  • Injury
  • Trauma

Education

University Of Wisconsin School Of Medicine & Public Health

Graduated in 1967

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