Overview
Catherine Thomas is a primary care provider, practicing in Internal Medicine in St Charles, Illinois.
Dr. Thomas is highly rated in 14 conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Small Cell Lung Cancer (SCLC), Osteoarthritis, Hip Replacement, and Endoscopy.
Dr. Thomas is board certified in American Board Of Internal Medicine - Internal Medicine (Certified). She is actively involved in clinical research, co-authoring 3 peer reviewed articles.
Graduate Institution
Specialties
Licenses
Board Certifications
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- HMO
- INSURANCE PLAN
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
- MEDICARE MAPD
- MEDICARE SNP
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Frequently Asked Questions about Dr. Catherine S. Thomas
How do I make an appointment with Dr. Catherine S. Thomas?
You can book an appointment with Dr. Catherine S. Thomas by calling their office at 815-756-5255. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Catherine S. Thomas a top-rated expert for Obesity in Children?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Catherine S. Thomas is classified as an Advanced expert for Obesity in Children, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Catherine S. Thomas specialize in?
While Dr. Catherine S. Thomas is a Internal Medicine, they have specific expertise in Obesity in Children, Small Cell Lung Cancer (SCLC), and Osteoarthritis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Catherine S. Thomas participate in research or clinical trials?
Yes. Dr. Catherine S. Thomas has published 3 articles and abstracts on conditions like Obesity in Children. You can view a list of Dr. Catherine S. Thomas's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Catherine S. Thomas accept my insurance?
Dr. Catherine S. Thomas accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 815-756-5255 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Familial HypertensionDr. Thomas isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable Aldosteronism
- Hairy Cell Leukemia (HCL)Dr. Thomas isAdvanced. Learn about Hairy Cell Leukemia (HCL).
- High CholesterolDr. Thomas isAdvanced. Learn about High Cholesterol.
- HypertensionDr. Thomas isAdvanced. Learn about Hypertension.
- HypothyroidismDr. Thomas isAdvanced. Learn about Hypothyroidism.
- Lung CancerDr. Thomas isAdvanced. Learn about Lung Cancer.
- Maturity Onset Diabetes of the Young
- Obesity in ChildrenDr. Thomas isAdvanced. Learn about Obesity in Children.
- OsteoarthritisDr. Thomas isAdvanced. Learn about Osteoarthritis.
- ReticuloendotheliosisDr. Thomas isAdvanced. Learn about Reticuloendotheliosis.
- SitosterolemiaDr. Thomas isAdvanced. Learn about Sitosterolemia.
- Small Cell Lung Cancer (SCLC)Dr. Thomas isAdvanced. Learn about Small Cell Lung Cancer (SCLC).
- Type 2 Diabetes (T2D)Dr. Thomas isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- Acute CystitisDr. Thomas isExperienced. Learn about Acute Cystitis.
- Acute Kidney FailureDr. Thomas isExperienced. Learn about Acute Kidney Failure.
- Acute Myelomonocytic LeukemiaDr. Thomas isExperienced. Learn about Acute Myelomonocytic Leukemia.
- ALK-Positive Non-Small Cell Lung CancerDr. Thomas isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- AnemiaDr. Thomas isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Thomas isExperienced. Learn about Angiodysplasia of the Colon.
- ApoplexyDr. Thomas isExperienced. Learn about Apoplexy.
- AtherosclerosisDr. Thomas isExperienced. Learn about Atherosclerosis.
- Atypical PneumoniaDr. Thomas isExperienced. Learn about Atypical Pneumonia.
- Autoimmune HepatitisDr. Thomas isExperienced. Learn about Autoimmune Hepatitis.
- Benign Paroxysmal Positional VertigoDr. Thomas isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- Bone Marrow AspirationDr. Thomas isExperienced. Learn about Bone Marrow Aspiration.
- CellulitisDr. Thomas isExperienced. Learn about Cellulitis.
- Cerebellar DegenerationDr. Thomas isExperienced. Learn about Cerebellar Degeneration.
- Charles Bonnet SyndromeDr. Thomas isExperienced. Learn about Charles Bonnet Syndrome.
- Childhood Iron Deficiency AnemiaDr. Thomas isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Chronic B-Cell Leukemia (CBCL)Dr. Thomas isExperienced. Learn about Chronic B-Cell Leukemia (CBCL).
- Chronic CoughDr. Thomas isExperienced. Learn about Chronic Cough.
- Chronic Kidney DiseaseDr. Thomas isExperienced. Learn about Chronic Kidney Disease.
- Chronic Lymphocytic Leukemia (CLL)Dr. Thomas isExperienced. Learn about Chronic Lymphocytic Leukemia (CLL).
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Subdural HematomaDr. Thomas isExperienced. Learn about Chronic Subdural Hematoma.
- CirrhosisDr. Thomas isExperienced. Learn about Cirrhosis.
- ColitisDr. Thomas isExperienced. Learn about Colitis.
- ColonoscopyDr. Thomas isExperienced. Learn about Colonoscopy.
- Colorectal CancerDr. Thomas isExperienced. Learn about Colorectal Cancer.
- Coronary Heart DiseaseDr. Thomas isExperienced. Learn about Coronary Heart Disease.
- COVID-19Dr. Thomas isExperienced. Learn about COVID-19.
- Deep Vein ThrombosisDr. Thomas isExperienced. Learn about Deep Vein Thrombosis.
- DehydrationDr. Thomas isExperienced. Learn about Dehydration.
- DeliriumDr. Thomas isExperienced. Learn about Delirium.
- DementiaDr. Thomas isExperienced. Learn about Dementia.
- Diabetes Insipidus (DI)Dr. Thomas isExperienced. Learn about Diabetes Insipidus (DI).
- DiarrheaDr. Thomas isExperienced. Learn about Diarrhea.
- EGFR Positive Lung CancerDr. Thomas isExperienced. Learn about EGFR Positive Lung Cancer.
- EndoscopyDr. Thomas isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Thomas isExperienced. Learn about Enlarged Liver.
- Enlarged Prostate (BPH)Dr. Thomas isExperienced. Learn about Enlarged Prostate (BPH).
- Erythema NodosumDr. Thomas isExperienced. Learn about Erythema Nodosum.
- EthmoiditisDr. Thomas isExperienced. Learn about Ethmoiditis.
- FaintingDr. Thomas isExperienced. Learn about Fainting.
- Familial Colorectal CancerDr. Thomas isExperienced. Learn about Familial Colorectal Cancer.
- Familial Combined HyperlipidemiaDr. Thomas isExperienced. Learn about Familial Combined Hyperlipidemia.
- Familial Hypocalciuric Hypercalcemia Type 1
- Familial Neurocardiogenic SyncopeDr. Thomas isExperienced. Learn about Familial Neurocardiogenic Syncope.
- FluDr. Thomas isExperienced. Learn about Flu.
- FolliculitisDr. Thomas isExperienced. Learn about Folliculitis.
- GallstonesDr. Thomas isExperienced. Learn about Gallstones.
- Gastroesophageal Reflux Disease (GERD)Dr. Thomas isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- Gastrointestinal BleedingDr. Thomas isExperienced. Learn about Gastrointestinal Bleeding.
- GastrostomyDr. Thomas isExperienced. Learn about Gastrostomy.
- Generalized Tonic-Clonic SeizureDr. Thomas isExperienced. Learn about Generalized Tonic-Clonic Seizure.
- Gitelman SyndromeDr. Thomas isExperienced. Learn about Gitelman Syndrome.
- GoutDr. Thomas isExperienced. Learn about Gout.
- H1N1 InfluenzaDr. Thomas isExperienced. Learn about H1N1 Influenza.
- HeadacheDr. Thomas isExperienced. Learn about Headache.
- Heart AttackDr. Thomas isExperienced. Learn about Heart Attack.
- Heart FailureDr. Thomas isExperienced. Learn about Heart Failure.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Heart MurmursDr. Thomas isExperienced. Learn about Heart Murmurs.
- HepatitisDr. Thomas isExperienced. Learn about Hepatitis.
- Hernia SurgeryDr. Thomas isExperienced. Learn about Hernia Surgery.
- High Potassium LevelDr. Thomas isExperienced. Learn about High Potassium Level.
- Hip ReplacementDr. Thomas isExperienced. Learn about Hip Replacement.
- Hospital-Acquired PneumoniaDr. Thomas isExperienced. Learn about Hospital-Acquired Pneumonia.
- HypercalcemiaDr. Thomas isExperienced. Learn about Hypercalcemia.
- Hypertensive Heart DiseaseDr. Thomas isExperienced. Learn about Hypertensive Heart Disease.
- Idiopathic EdemaDr. Thomas isExperienced. Learn about Idiopathic Edema.
- Idiopathic HypercalciuriaDr. Thomas isExperienced. Learn about Idiopathic Hypercalciuria.
- InsomniaDr. Thomas isExperienced. Learn about Insomnia.
- Invertebral Disc DiseaseDr. Thomas isExperienced. Learn about Invertebral Disc Disease.
- Iron Deficiency AnemiaDr. Thomas isExperienced. Learn about Iron Deficiency Anemia.
- Kidney StonesDr. Thomas isExperienced. Learn about Kidney Stones.
- Low Blood PressureDr. Thomas isExperienced. Learn about Low Blood Pressure.
- Low Potassium LevelDr. Thomas isExperienced. Learn about Low Potassium Level.
- Low Sodium LevelDr. Thomas isExperienced. Learn about Low Sodium Level.
- Lung AdenocarcinomaDr. Thomas isExperienced. Learn about Lung Adenocarcinoma.
- Lung MetastasesDr. Thomas isExperienced. Learn about Lung Metastases.
- Lung NodulesDr. Thomas isExperienced. Learn about Lung Nodules.
- LymphangiectasisDr. Thomas isExperienced. Learn about Lymphangiectasis.
- LymphangitisDr. Thomas isExperienced. Learn about Lymphangitis.
- LymphedemaDr. Thomas isExperienced. Learn about Lymphedema.
- Meige DiseaseDr. Thomas isExperienced. Learn about Meige Disease.
- MelorheostosisDr. Thomas isExperienced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Thomas isExperienced. Learn about Melorheostosis with Osteopoikilosis.
- Memory LossDr. Thomas isExperienced. Learn about Memory Loss.
- MigraineDr. Thomas isExperienced. Learn about Migraine.
- Milk-Alkali SyndromeDr. Thomas isExperienced. Learn about Milk-Alkali Syndrome.
- Movement DisordersDr. Thomas isExperienced. Learn about Movement Disorders.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Muscle AtrophyDr. Thomas isExperienced. Learn about Muscle Atrophy.
- Muscle Invasive Bladder CancerDr. Thomas isExperienced. Learn about Muscle Invasive Bladder Cancer.
- NecrosisDr. Thomas isExperienced. Learn about Necrosis.
- Neurohypophyseal Diabetes InsipidusDr. Thomas isExperienced. Learn about Neurohypophyseal Diabetes Insipidus.
- Neurotoxicity SyndromesDr. Thomas isExperienced. Learn about Neurotoxicity Syndromes.
- Non-Alcoholic Fatty Liver DiseaseDr. Thomas isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- Non-Muscle Invasive Bladder CancerDr. Thomas isExperienced. Learn about Non-Muscle Invasive Bladder Cancer.
- Non-Small Cell Lung Cancer (NSCLC)Dr. Thomas isExperienced. Learn about Non-Small Cell Lung Cancer (NSCLC).
- Ogilvie SyndromeDr. Thomas isExperienced. Learn about Ogilvie Syndrome.
- Orthostatic HypotensionDr. Thomas isExperienced. Learn about Orthostatic Hypotension.
- OsteopeniaDr. Thomas isExperienced. Learn about Osteopenia.
- OsteoporosisDr. Thomas isExperienced. Learn about Osteoporosis.
- Pacemaker ImplantationDr. Thomas isExperienced. Learn about Pacemaker Implantation.
- Painful SwallowingDr. Thomas isExperienced. Learn about Painful Swallowing.
- ParainfluenzaDr. Thomas isExperienced. Learn about Parainfluenza.
- Parainfluenza Virus Type 3Dr. Thomas isExperienced. Learn about Parainfluenza Virus Type 3.
- Parkinson's DiseaseDr. Thomas isExperienced. Learn about Parkinson's Disease.
- Pediatric MyocarditisDr. Thomas isExperienced. Learn about Pediatric Myocarditis.
- Peptic UlcerDr. Thomas isExperienced. Learn about Peptic Ulcer.
- Peripheral NeuropathyDr. Thomas isExperienced. Learn about Peripheral Neuropathy.
- PleurisyDr. Thomas isExperienced. Learn about Pleurisy.
- PneumoniaDr. Thomas isExperienced. Learn about Pneumonia.
- Postmenopausal OsteoporosisDr. Thomas isExperienced. Learn about Postmenopausal Osteoporosis.
- Primary Intestinal LymphangiectasiaDr. Thomas isExperienced. Learn about Primary Intestinal Lymphangiectasia.
- Pulmonary EdemaDr. Thomas isExperienced. Learn about Pulmonary Edema.
- Pulmonary EmbolismDr. Thomas isExperienced. Learn about Pulmonary Embolism.
- REM Behavior DisorderDr. Thomas isExperienced. Learn about REM Behavior Disorder.
- Richter SyndromeDr. Thomas isExperienced. Learn about Richter Syndrome.
- RingwormDr. Thomas isExperienced. Learn about Ringworm.
- SciaticaDr. Thomas isExperienced. Learn about Sciatica.
- ScoliosisDr. Thomas isExperienced. Learn about Scoliosis.
- SepsisDr. Thomas isExperienced. Learn about Sepsis.
- Squamous Cell Lung CarcinomaDr. Thomas isExperienced. Learn about Squamous Cell Lung Carcinoma.
- StrokeDr. Thomas isExperienced. Learn about Stroke.
- Subdural HematomaDr. Thomas isExperienced. Learn about Subdural Hematoma.
- Swallowing DifficultyDr. Thomas isExperienced. Learn about Swallowing Difficulty.
- TenosynovitisDr. Thomas isExperienced. Learn about Tenosynovitis.
- ThrombocytopeniaDr. Thomas isExperienced. Learn about Thrombocytopenia.
- TracheitisDr. Thomas isExperienced. Learn about Tracheitis.
- Transient Ischemic Attack (TIA)Dr. Thomas isExperienced. Learn about Transient Ischemic Attack (TIA).
- Trichohepatoenteric SyndromeDr. Thomas isExperienced. Learn about Trichohepatoenteric Syndrome.
- UreteroscopyDr. Thomas isExperienced. Learn about Ureteroscopy.
- Urinary Tract Infection (UTI)Dr. Thomas isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Thomas isExperienced. Learn about Urinary Tract Infection in Children.
- VertigoDr. Thomas isExperienced. Learn about Vertigo.
- Viral GastroenteritisDr. Thomas isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Thomas isExperienced. Learn about Visceromegaly.
- Vitamin D DeficiencyDr. Thomas isExperienced. Learn about Vitamin D Deficiency.
- Volkmann ContractureDr. Thomas isExperienced. Learn about Volkmann Contracture.
- Waldenstrom MacroglobulinemiaDr. Thomas isExperienced. Learn about Waldenstrom Macroglobulinemia.
- XanthomaDr. Thomas isExperienced. Learn about Xanthoma.