Summary

Dr. John Frey is a physician specializing in pulmonology, critical care medicine, and internal medicine. He holds an MD degree and focuses on treating respiratory conditions and providing intensive care for critically ill patients. His expertise spans from routine lung function assessments to complex respiratory disorders requiring specialized intervention.

Dr. Frey practices at multiple locations including La Crosse and Rochester through Mayo Clinic Health System and Gundersen Lutheran Medical Center. He treats patients with sleep apnea and obstructive sleep apnea, including pediatric cases. His clinical services include pulmonary function testing to evaluate lung health and bronchodilator reversibility testing to assess breathing improvements. He also provides therapeutic hypothermia treatment for patients requiring specialized temperature management during critical care.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3 specialties
  • 9 areas of expertise
  • 4 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. John William Frey has 4 locations

Mayo Clinic Health System Franciscan Pulmonology

800 West Ave SLa Crosse, WI 54601
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Compare with Similar Doctors

Dr. John William Frey, MD
Dr. Timothy John Mckenna, MD
Dr. Carolina Que See, MD
Dr. Richard Henry Strauss, MD
Dr. John William Frey, MDDr. Timothy John Mckenna, MDDr. Carolina Que See, MDDr. Richard Henry Strauss, MD
PulmonologyPhysical Medicine & RehabilitationSleep MedicinePediatrics
Accepts New Patients Accepts New Patients
3.7 
13 Years of Experience 29 Years of Experience 46 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
La Crosse , WILa Crosse , WILa Crosse , WILa Crosse , WI
Med School: University Of Iowa Med School: University Of Santo Tomas Faculty Of Medicine And Surgery Med School: New York University School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. John William Frey

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John William Frey has the following 3 specialties

Specialty Expertise

Dr. John William Frey has the following 9 areas of expertise

  • Check-up
  • Critical Care Medicine
  • Heartburn
  • Immunization
  • Internal Medicine
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

MEDICAL LICENSE

Doctor Of Osteopathy, Minnesota, 2026, Active
Doctor Of Osteopathy, Wisconsin, 2027, Active

Similar doctors

Frequently Asked Questions

Where is Dr. John Frey's office located?
Dr. John Frey's office is located at 700 West Ave S, La Crosse, WI, 54601.
Which hospitals is Dr. John Frey affiliated with?
Dr. John Frey is affiliated with The University Of Kansas Health System, Gundersen Lutheran Medical Center, Mayo Clinic Health System La Crosse, and The Center For Advanced Heart Care At The University Of Kansas Hospital.
How can I make an appointment with Dr. John Frey?
You can find contact information for Dr. John Frey here on Vitals.
Is Dr. John Frey accepting new patients?
Dr. John Frey is accepting new patients on Vitals. View Dr. John Frey's profile on Vitals to make an appointment.
Does Dr. John Frey accept my insurance?
You can see the insurance plans that Dr. John Frey accepts on their Vitals profile.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.