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Summary
Dr. John Frederick is an internal medicine physician who specializes in hospital medicine. He earned his medical degree from the University of the West Indies Faculty of Medicine in St. Augustine, Trinidad, and has practiced medicine for over two decades. His extensive experience in internal medicine allows him to provide comprehensive care for adult patients with complex medical conditions.
Dr. Frederick is affiliated with Franciscan Health Dyer and Northwest Indiana ER and Hospital, serving patients in Dyer and Hammond, Indiana. He focuses on treating patients with chronic lung disease and COPD, including cases with additional health complications. His practice includes performing essential diagnostic tests such as complete blood counts and chemistry panels to monitor patient health and kidney function through creatinine testing.
Dr. Frederick is affiliated with Franciscan Health Dyer and Northwest Indiana ER and Hospital, serving patients in Dyer and Hammond, Indiana. He focuses on treating patients with chronic lung disease and COPD, including cases with additional health complications. His practice includes performing essential diagnostic tests such as complete blood counts and chemistry panels to monitor patient health and kidney function through creatinine testing.
Overview based on verified provider data
Quick Facts
- 21 years of experience
- University Of The West Indies Faculty Of Medicine St Augustine Trinidad
- 2 specialties
- 2 areas of expertise
- 2 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. John Horace Bayliss Frederick has 2 locationsCompare with Similar Doctors
 |  | ||
| Dr. John Horace Bayliss Frederick, MD | Dr. Lisa A. Ryan, MD | Dr. Tina Valdez, DO | Dr. Chirag P Rajyaguru, DO |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | |||
| 21 Years of Experience | 16 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Spanish, English | ||
| Dyer , IN | Chicago , IL | Chicago , IL | Berwyn , IL |
| Med School: University Of The West Indies Faculty Of Medicine St Augustine Trinidad | Med School: Ross University School Of Medicine | Med School: Lake Erie College Of Osteopathic Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Horace Bayliss Frederick
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. John Horace Bayliss Frederick has the following 2 specialties
Specialty Expertise
Dr. John Horace Bayliss Frederick has the following 2 areas of expertise
Certifications, License, & Education
21 Years Experience
Dr. John Horace Bayliss Frederick holds active and expired medical licenses in the states of Indiana and Florida.
Medical License
Medical Doctor with an active medical license in the state of Indiana that expires in 2027 and an expired medical license in the state of Florida that expired in 2026.
Education & Training
Medical School
Graduated from University Of The West Indies Faculty Of Medicine St Augustine Trinidad in 2005.
NPI Number
Dr. Frederick's NPI number is 1598027153.
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Frequently Asked Questions
- Is Dr. John Frederick accepting new patients?
- Dr. John Frederick has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. John Frederick?
- You can find contact information for Dr. John Frederick here on Vitals.
- Where is Dr. John Frederick's office located?
- Dr. John Frederick's office is located at 24 Joliet St, Dyer, IN, 46311.
- Does Dr. John Frederick accept my insurance?
- You can see the insurance plans that Dr. John Frederick accepts on their Vitals profile.
- Which hospitals is Dr. John Frederick affiliated with?
- Dr. John Frederick is affiliated with Franciscan Health Dyer and Northwest Indiana Er And Hospital.
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