Summary

Dr. John Frederick is an internal medicine physician who also specializes in hospital medicine. He earned his medical degree from the University of the West Indies Faculty of Medicine St Augustine Trinidad and brings 21 years of experience to his practice. His dual specialty allows him to provide comprehensive care both in outpatient settings and for hospitalized patients requiring complex medical management.

Dr. Frederick practices at Franciscan Health Dyer and Northwest Indiana Er And Hospital, serving patients in Dyer and Hammond, Indiana. He focuses on managing high blood pressure conditions, including emergency situations where blood pressure reaches dangerous levels. His expertise includes providing specialized infusion treatments and intravenous therapies, including antibiotic administration for patients who need medication delivered directly into their bloodstream for optimal effectiveness.

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 locations

Franciscan Health Dyer

24 Joliet StDyer, IN 46311

Northwest Indiana Er And Hospital

7904 Cabela DrHammond, IN 46324

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Dr. John Horace Bayliss Frederick, MDDr. Kyra Payne, MDDr. Tina Valdez, DODr. John Matera, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
3.7 
21 Years of Experience 16 Years of Experience 11 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish
Dyer , INChicago , ILChicago , ILBlue Island , IL
Med School: University Of The West Indies Faculty Of Medicine St Augustine Trinidad Med School: Chicago Medical School at Rosalind Franklin University of Medicine & Science Med School: Lake Erie College Of Osteopathic Medicine Med School: University Of Missouri Columbia School Of Medicine
Current Profile
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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

  • Hospital Medicine
  • Hospitalist

Certifications, License, & Education

21 Years Experience

Dr. John Horace Bayliss Frederick holds expired and active medical licenses in the states of Florida and Indiana.

Medical License

Medical Doctor with an expired medical license in the state of Florida that expired in 2026 and an active medical license in the state of Indiana that expires in 2027.

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

Which hospitals is Dr. John Frederick affiliated with?
Dr. John Frederick is affiliated with Franciscan Health Dyer and Northwest Indiana Er And Hospital.
Does Dr. John Frederick accept virtual/telehealth appointments?
Dr. John Frederick has not indicated that they accept virtual/teleheatlh appointments. 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.
Does Dr. John Frederick accept my insurance?
You can see the insurance plans that Dr. John Frederick accepts on their Vitals profile.
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.

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