Summary

Dr. Chad Johnston is an internal medicine physician who also specializes in addiction medicine. He earned his medical degree from Southern Illinois University School of Medicine and has been practicing for 23 years. Dr. Johnston brings extensive experience in treating both general internal medicine conditions and substance use disorders.

Dr. Johnston is affiliated with Decatur Memorial Hospital and HSHS Saint Mary's Hospital, with practice locations in Denver, Colorado and Decatur, Illinois. He focuses on treating heart failure and high blood pressure in both adult and pediatric patients. Patients have rated Dr. Johnston 4.5 out of 5 stars on average, reflecting his commitment to quality care across his dual specialties.

Overview based on verified provider data

Quick Facts

  • 4.5
  • 23 years of experience
  • Southern Illinois University School Of Medicine
  • 3 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Chad Rawlings Johnston has 3 locations

Dr. Chad Rawlings Johnston

1490 N Lafayette St Ste 104Denver, CO 80218

Hshs Saint Marys Hospital

1800 E Lake Shore DrDecatur, IL 62521

Decatur Memorial Hospital

2300 N Edward StDecatur, IL 62526

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Dr. Chad Rawlings Johnston, MDLisa Dahl, MDDr. Jason Cadwallader, MDRobert Michael, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
4.5 
3.3 
23 Years of Experience 23 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Denver , COWestminster , COAurora , COLakewood , CO
Med School: Southern Illinois University School Of Medicine Med School: University Of Illinois At Chicago College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Chad Rawlings Johnston

  • Accepts Medicare

Medical Specialties

Dr. Chad Rawlings Johnston has the following 2 specialties

Specialty Expertise

Dr. Chad Rawlings Johnston has the following 7 areas of expertise

  • Addiction Medicine
  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

23 Years Experience

Dr. Chad Rawlings Johnston holds an expired medical license in the state of Illinois.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Medical School

Graduated from Southern Illinois University School Of Medicine in 2003.

NPI Number

Dr. Johnston's NPI number is 1538239520.

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Frequently Asked Questions

Which hospitals is Dr. Chad Johnston affiliated with?
Dr. Chad Johnston is affiliated with Decatur Memorial Hospital and Hshs Saint Marys Hospital.
Is Dr. Chad Johnston accepting new patients?
Dr. Chad Johnston 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. Chad Johnston?
You can find contact information for Dr. Chad Johnston here on Vitals.
Where is Dr. Chad Johnston's office located?
Dr. Chad Johnston's office is located at 1490 N Lafayette St Ste 104, Denver, CO, 80218.
Does Dr. Chad Johnston accept my insurance?
You can see the insurance plans that Dr. Chad Johnston accepts on their Vitals profile.

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