Summary

Dr. Chad Johnston is a board-certified internal medicine physician with specialized training in addiction medicine. He earned his medical degree from Southern Illinois University School of Medicine and has been practicing for 23 years, developing extensive expertise in treating complex medical conditions alongside substance use disorders. His dual specialty allows him to provide comprehensive care that addresses both the physical health needs and addiction challenges that patients may face.

Dr. Johnston practices at Decatur Memorial Hospital and HSHS Saint Mary's Hospital, with locations in Decatur, Illinois, and Denver, Colorado. He focuses on treating heroin use disorders and opioid addiction, helping patients navigate recovery with evidence-based medical approaches. His practice also includes performing diagnostic extremity X-rays and specialized spinal procedures like lumbar laminectomy when needed. Patients have given him an average rating of 4.5 out of 5, reflecting their confidence in his compassionate and thorough approach to care.
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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

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, MDDr. Pamela Vallejo-Craig, MD, FACPBrianne Hogue, NPDr. Elizabeth Groff, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
4.5 
2.8 
4.2 
23 Years of Experience 23 Years of Experience 28 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, Spanish
Denver , COWestminster , COThornton , COWestminster , CO
Med School: Southern Illinois University School Of Medicine Med School: University Of Texas Southwestern Medical School Med School: Perelman School Of Medicine At University Of Pennsylvania
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

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Medical School

Southern Illinois University School Of MedicineGraduated in 2003

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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.
Does Dr. Chad Johnston accept my insurance?
You can see the insurance plans that Dr. Chad Johnston accepts on their Vitals profile.
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.
Does Dr. Chad Johnston accept virtual/telehealth appointments?
Dr. Chad Johnston has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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.

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