Cynthia Thomas, MD
Physician
Family Medicine
About me
Gender
Female
Education & training
Positions
Associate Professor
Board Certifications
Family Medicine
Medical School
SIU School of Medicine, Springfield, IL
Residency
SIU School of Medicine, Springfield, IL - Family Medicine
Fellowship
Faculty Development Fellowship, University of California San Diego, San Diego, CA - Community Medicine
Specialties
Treatments & procedures
- Abdominal Pain
- Acne
- Adolescent Dermatology
- Adult Medicine/Geriatrics
- Allergies
- Anti-Coagulation
- Anxiety Disorders
- Arthritis
- Asthma
- Attention Deficit-Hyperactivity Disorder (ADHD)
- Behavioral Disorders
- Blood Disorders
- Burn and Wound Care
- Celiac Disease
- Cerebrovascular Disease
- Chronic Illness Management
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Sinusitis
- Colic
- Congestive Heart Failure
- Constipation
- Contraception
- Coronary Artery Disease
- Dementia
- Depression
- Developmental Disabilities
- Diabetes
- Diabetes Education
- Diverticulitis
- Dizziness
- Ear Drainage
- Ear Infections
- Eating Disorders
- Eczema
- Emphysema
- Endometriosis
- Enlarged Lymph Nodes
- Excessive Sweating (Hyperhidrosis)
- Family Planning & Contraception
- Fever
- Food Allergies
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal Disorders
- Headaches
- Heart Disease
- Heel Pain
- Hemorrhoids
- Hepatitis
- High Blood Pressure (Hypertension)
- Infectious Diseases
- Irritable Bowel Syndrome (IBS)
- Joint Pain
- Lipid Disorders
- Medication Management
- Mental Health
- Metabolism Disorders
- Mood Disorders
- Nutrition
- Obsessive-Compulsive Disorder (OCD)
- Obstetrics and Newborn Care
- Osteoarthritis
- Osteoporosis
- Overactive Bladder
- Panic Disorder
- Pediatric Primary Care
- Pelvic Pain
- Peripheral Neuropathy
- Peripheral Vascular Disease (PVD)
- Pneumonia
- Polycystic Ovarian Syndrome (PCOS)
- Post-concussion Syndrome
- Post-traumatic Stress Disorder (PTSD)
- Prenatal Care
- Preventative Health / Health Maintenance
- Rashes
- Recurrent Fever
- Respiratory Infections
- Rosacea
- Shortness of Breath
- Sinus Problems
- Skin and Soft Tissue Infections
- Sleep Apnea
- Sleep Disorders
- Stress Management
- Thyroid Disorders
- Tinnitus
- Tonsils
- Urinary Frequency
- Urinary Incontinence
- Urinary Tract Infections
- Wheezing
- Women's Health and Gynecology
- Primary Care

Appointments
SIU Medicine strongly encourages all patients to verify coverage, benefits and which providers are considered in-network with their health plan. SIU Medicine has more than 300 health care providers ready to serve you and your family. SIU Medicine accepts a wide variety of governmental and non-governmental health plans to serve our community.
Clinical locations
Locations
Hospital privileges
- HSHS St. John's Hospital, Springfield, IL
- Memorial Health, Springfield IL