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Summary
Dr. John Frey is a pulmonologist who specializes in critical care medicine and internal medicine. He focuses on treating complex lung conditions and providing intensive care for critically ill patients. His expertise spans the full spectrum of respiratory health, from routine pulmonary issues to advanced critical care interventions.
Dr. Frey practices at several prestigious medical centers, including The University of Kansas Health System, Gundersen Lutheran Medical Center, and Mayo Clinic Health System in La Crosse, Wisconsin and Rochester, Minnesota. He treats conditions such as pulmonary nodules, angioedema, and various breathing problems. His procedural expertise includes pulmonary function testing, bronchodilator reversibility testing, and bronchoscopy to diagnose and treat respiratory conditions.
Dr. Frey practices at several prestigious medical centers, including The University of Kansas Health System, Gundersen Lutheran Medical Center, and Mayo Clinic Health System in La Crosse, Wisconsin and Rochester, Minnesota. He treats conditions such as pulmonary nodules, angioedema, and various breathing problems. His procedural expertise includes pulmonary function testing, bronchodilator reversibility testing, and bronchoscopy to diagnose and treat respiratory conditions.
Overview based on verified provider data
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 locationsMayo Clinic Health System Franciscan Pulmonology
800 West Ave SLa Crosse, WI 54601Mon8:00 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. David Edward Marinier, MD | Dr. Vikas Shashidhar Reddy Koppurapu, MD | Dr. Thomas S Cunningham, DO |
| Pulmonology | Internal Medicine | Pulmonology | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 12 Years of Experience | 44 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English | |
| La Crosse , WI | La Crosse , WI | La Crosse , WI | La Crosse , WI |
| Med School: Siddhartha Medical College | Med School: Kansas City University Of Medicine & Bioscience College Of Osteopathic Med | ||
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
Certifications, License, & Education
Dr. John William Frey holds expired and active medical licenses in the states of Minnesota and Wisconsin.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Minnesota that expired in 2026 and an active medical license in the state of Wisconsin that expires in 2027.
NPI Number
Dr. Frey's NPI number is 1538600754.
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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.
- Does Dr. John Frey accept my insurance?
- You can see the insurance plans that Dr. John Frey accepts on their Vitals profile.
- 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.
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