SSM Health Medical Group
Homer Johnson, MD
Family Medicine, Pediatric Sleep Medicine, Sleep Medicine
4.9 out of 5 –
SSM Health Cardinal Glennon Pediatrics Specialty Services
301 Caledonia Parkway, Suite 220
O Fallon, MO 63368
Phone
636-755-3400H. Thomas Johnson, MD, is board-certified in sleep medicine and family medicine. He works as a pediatric and adult sleep specialist. He is affiliated with SSM Health Cardinal Glennon Children's Hospital, and SSM Health St. Joseph Hospital - St. Charles. Dr. Johnson is also the director of the pediatric sleep center at SSM Health St. Joseph Hospital - St. Charles.
Dr. Johnson has been in practice in the St. Louis area since 2007. He graduated from the University of Missouri-Columbia with his medical degree and completed his residency at St. Vincent's HealthCare in Jacksonville, Fla. After completing his residency, Dr. Johnson practiced family medicine for five years. He then went on to complete a fellowship in sleep medicine at Saint Louis University before joining SSM Health. Dr. Johnson has also served as the President of the Missouri Sleep Society and is involved in the American Academy of Sleep Medicine.
Dr. Johnson has been in practice in the St. Louis area since 2007. He graduated from the University of Missouri-Columbia with his medical degree and completed his residency at St. Vincent's HealthCare in Jacksonville, Fla. After completing his residency, Dr. Johnson practiced family medicine for five years. He then went on to complete a fellowship in sleep medicine at Saint Louis University before joining SSM Health. Dr. Johnson has also served as the President of the Missouri Sleep Society and is involved in the American Academy of Sleep Medicine.
About Me
Specialties
Pediatric Sleep Medicine
Sleep Medicine
Gender
Male
Education
St. Louis University Health Sciences Center
Fellowship, 2013
Saint Vincent's Health System
Internship, 2005
University of Missouri - Columbia
Bachelor of Arts, 2000
University of Missouri-Columbia School of Medicine
Medical School, 2004
Saint Vincent's Health System
Residency, 2007
Certifications
Drug Enforcement Administration
Missouri Dept of Health/Narcotics&Dangerous Drugs
American Board of Family Medicine-Sleep Medicine
American Board of Family Medicine
Missouri State Board of Registration
Reviews
The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.9 out of 5
102 ratings,
25 reviews
11/21/2025
Dr. Johnson is a favorite!!
11/12/2025
He was very thorough and detailed to what I needed to do for my Sleep Study.
11/7/2025
Great doctor to explain all questions I have asked.
10/29/2025
Caring and a good listener
9/16/2025
Dr. Johnson was very professional, courteous and answered all my questions to my satisfaction.
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Map & Directions
SSM Health Cardinal Glennon Pediatrics Specialty Services
301 Caledonia Parkway, Suite 220 O Fallon, MO 63368
Schedule a Visit with Johnson's Care Team
4.9 out of 5 – 102 ratings
SLUCare Physician Group
Rocio Del Carmen Zeballos Chavez, MD
Pediatrics, Pulmonary Disease, Internal Medicine, Pediatric Sleep Medicine
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