Overview
Johnathon Markus is a Gastroenterologist practicing medicine in Clinton Township, Michigan.
Dr. Markus is highly rated in 45 conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Colonoscopy, and Endoscopy.
He is actively involved in clinical research, co-authoring 1 peer reviewed article. Dr. Markus is currently accepting new patients.
Specialties
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
- POS
- PPO
- HMO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- 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
- OTHER MANAGED MEDICAID
- HMO
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- HMO
- POS
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- PPO
- 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
Locations
37399 Garfield Rd Ste 104, Clinton Township, MI 48036
Additional Areas of Focus
Dr. Markus has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
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.
Henry Ford Medical Center-Bloomfield Township
Stuart Gordon is a Gastroenterologist practicing medicine in Bloomfield Hills, Michigan. Dr. Gordon is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Hepatitis, Hepatitis C, Primary Biliary Cholangitis, Endoscopy, and Liver Transplant. Dr. Gordon is currently accepting new patients.
Gastroenterology Clinic
Dr. Chey received his BA degree from the University of Pennsylvania and medical degree & training in internal medicine at the Emory University School of Medicine. He went on to complete a fellowship in gastroenterology at the University of Michigan. Since completing this fellowship, Dr. Chey has remained at the University of Michigan, where he is H. Marvin Pollard Professor of Gastroenterology, Professor of Nutrition Sciences, and Chief, Division of Gastroenterology & Hepatology. Dr. Chey runs a very active clinical research group which has received funding from federal and private sources. Dr. Chey has authored more than 400 manuscripts, reviews and book chapters yielding an H-index of 50. He is former Co-editor-in-Chief of the American Journal of Gastroenterology (2010-2016) and serves on the editorial boards of several other journals. He serves as a member of the Board of Trustees and in 2026, will become President of the American College of Gastroenterology. He is a member of the Board of Directors of the Rome Foundation and IFFGD. He has participated in and directed numerous national and international continuing medical education programs in gastroenterology, and has been elected to the roster of Best Doctors since 2001 and America's™ Top Doctors since 2009. Dr. Chey has received numerous awards including the Berk-Fise Award for outstanding clinical service from the ACG, the Distinguished Clinician Award from the AGA, Dean’s Outstanding Clinician Award, Dean’s Award for Innovation and Commercialization, and the Healio Disruptive Innovator Award. Dr. Chey is highly rated in 25 conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Diarrhea, Chronic Idiopathic Constipation (CIC), Endoscopy, and Colonoscopy. Dr. Chey is board certified in Internal Medicine and Gastroenterology. Dr. Chey is currently accepting new patients.
Henry Ford Hospital
Jessica Mellinger is a Gastroenterologist practicing medicine in Detroit, Michigan. Dr. Mellinger is highly rated in 20 conditions, according to our data. Her clinical expertise encompasses Alcoholic Cirrhosis, Cirrhosis, Hepatitis, Liver Transplant, and Endoscopy. Dr. Mellinger is currently accepting new patients.
Frequently Asked Questions about Dr. Johnathon T. Markus
How do I make an appointment with Dr. Johnathon T. Markus?
You can book an appointment with Dr. Johnathon T. Markus by calling their office at 586-286-5400. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Johnathon T. Markus a top-rated expert for Familial Adenomatous Polyposis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Johnathon T. Markus is classified as an Distinguished expert for Familial Adenomatous Polyposis, 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. Johnathon T. Markus specialize in?
While Dr. Johnathon T. Markus is a Gastroenterology, they have specific expertise in Familial Adenomatous Polyposis, Turcot Syndrome, and Gardner Syndrome. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Johnathon T. Markus participate in research or clinical trials?
Yes. Dr. Johnathon T. Markus has published 1 articles and abstracts on conditions like Familial Adenomatous Polyposis. You can view a list of Dr. Johnathon T. Markus's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Johnathon T. Markus accept my insurance?
Dr. Johnathon T. Markus accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 586-286-5400 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
- Distinguished
- Familial Adenomatous PolyposisDr. Markus isDistinguished. Learn about Familial Adenomatous Polyposis.
- Advanced
- Acute PancreatitisDr. Markus isAdvanced. Learn about Acute Pancreatitis.
- Alcoholic CirrhosisDr. Markus isAdvanced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Markus isAdvanced. Learn about Anemia.
- AscitesDr. Markus isAdvanced. Learn about Ascites.
- Campylobacter InfectionDr. Markus isAdvanced. Learn about Campylobacter Infection.
- Childhood PancreatitisDr. Markus isAdvanced. Learn about Childhood Pancreatitis.
- Childhood VolvulusDr. Markus isAdvanced. Learn about Childhood Volvulus.
- Chronic Erosive GastritisDr. Markus isAdvanced. Learn about Chronic Erosive Gastritis.
- ColitisDr. Markus isAdvanced. Learn about Colitis.
- Colonic MalakoplakiaDr. Markus isAdvanced. Learn about Colonic Malakoplakia.
- Congenital Diaphragmatic HerniaDr. Markus isAdvanced. Learn about Congenital Diaphragmatic Hernia.
- DiarrheaDr. Markus isAdvanced. Learn about Diarrhea.
- Diverticular DiseaseDr. Markus isAdvanced. Learn about Diverticular Disease.
- Dubin-Johnson SyndromeDr. Markus isAdvanced. Learn about Dubin-Johnson Syndrome.
- Enlarged LiverDr. Markus isAdvanced. Learn about Enlarged Liver.
- Eosinophilic EsophagitisDr. Markus isAdvanced. Learn about Eosinophilic Esophagitis.
- EsophagitisDr. Markus isAdvanced. Learn about Esophagitis.
- Gardner SyndromeDr. Markus isAdvanced. Learn about Gardner Syndrome.
- Gastric DysmotilityDr. Markus isAdvanced. Learn about Gastric Dysmotility.
- GastritisDr. Markus isAdvanced. Learn about Gastritis.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal BleedingDr. Markus isAdvanced. Learn about Gastrointestinal Bleeding.
- GastroparesisDr. Markus isAdvanced. Learn about Gastroparesis.
- Helicobacter Pylori InfectionDr. Markus isAdvanced. Learn about Helicobacter Pylori Infection.
- HemorrhoidsDr. Markus isAdvanced. Learn about Hemorrhoids.
- HepatitisDr. Markus isAdvanced. Learn about Hepatitis.
- Hereditary PancreatitisDr. Markus isAdvanced. Learn about Hereditary Pancreatitis.
- Hiatal HerniaDr. Markus isAdvanced. Learn about Hiatal Hernia.
- IndigestionDr. Markus isAdvanced. Learn about Indigestion.
- Irritable Bowel Syndrome (IBS)Dr. Markus isAdvanced. Learn about Irritable Bowel Syndrome (IBS).
- Lymphocytic ColitisDr. Markus isAdvanced. Learn about Lymphocytic Colitis.
- MacroamylasemiaDr. Markus isAdvanced. Learn about Macroamylasemia.
- Morning SicknessDr. Markus isAdvanced. Learn about Morning Sickness.
- ObesityDr. Markus isAdvanced. Learn about Obesity.
- Painful SwallowingDr. Markus isAdvanced. Learn about Painful Swallowing.
- Portal HypertensionDr. Markus isAdvanced. Learn about Portal Hypertension.
- Rotor SyndromeDr. Markus isAdvanced. Learn about Rotor Syndrome.
- Swallowing DifficultyDr. Markus isAdvanced. Learn about Swallowing Difficulty.
- Trichohepatoenteric SyndromeDr. Markus isAdvanced. Learn about Trichohepatoenteric Syndrome.
- Turcot SyndromeDr. Markus isAdvanced. Learn about Turcot Syndrome.
- Ulcerative ColitisDr. Markus isAdvanced. Learn about Ulcerative Colitis.
- Viral GastroenteritisDr. Markus isAdvanced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Markus isAdvanced. Learn about Visceromegaly.
- Wandering SpleenDr. Markus isAdvanced. Learn about Wandering Spleen.
- Experienced
- AchalasiaDr. Markus isExperienced. Learn about Achalasia.
- Anal FissureDr. Markus isExperienced. Learn about Anal Fissure.
- Angiodysplasia of the ColonDr. Markus isExperienced. Learn about Angiodysplasia of the Colon.
- Autoimmune HepatitisDr. Markus isExperienced. Learn about Autoimmune Hepatitis.
- Bacterial GastroenteritisDr. Markus isExperienced. Learn about Bacterial Gastroenteritis.
- Banti's SyndromeDr. Markus isExperienced. Learn about Banti's Syndrome.
- Barrett EsophagusDr. Markus isExperienced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Markus isExperienced. Learn about Benign Esophageal Stricture.
- Bile Duct ObstructionDr. Markus isExperienced. Learn about Bile Duct Obstruction.
- Bile Duct StrictureDr. Markus isExperienced. Learn about Bile Duct Stricture.
- Bowel IncontinenceDr. Markus isExperienced. Learn about Bowel Incontinence.
- Celiac DiseaseDr. Markus isExperienced. Learn about Celiac Disease.
- CholangitisDr. Markus isExperienced. Learn about Cholangitis.
- CholecystitisDr. Markus isExperienced. Learn about Cholecystitis.
- CholedocholithiasisDr. Markus isExperienced. Learn about Choledocholithiasis.
- CholestasisDr. Markus isExperienced. Learn about Cholestasis.
- Chronic PancreatitisDr. Markus isExperienced. Learn about Chronic Pancreatitis.
- CirrhosisDr. Markus isExperienced. Learn about Cirrhosis.
- Collagenous ColitisDr. Markus isExperienced. Learn about Collagenous Colitis.
- ColonoscopyDr. Markus isExperienced. Learn about Colonoscopy.
- Colorectal CancerDr. Markus isExperienced. Learn about Colorectal Cancer.
- Colorectal PolypsDr. Markus isExperienced. Learn about Colorectal Polyps.
- Crohn's DiseaseDr. Markus isExperienced. Learn about Crohn's Disease.
- DICER1 SyndromeDr. Markus isExperienced. Learn about DICER1 Syndrome.
- EncopresisDr. Markus isExperienced. Learn about Encopresis.
- EndoscopyDr. Markus isExperienced. Learn about Endoscopy.
- Esophageal VaricesDr. Markus isExperienced. Learn about Esophageal Varices.
- Exocrine Pancreatic InsufficiencyDr. Markus isExperienced. Learn about Exocrine Pancreatic Insufficiency.
- Familial Colorectal CancerDr. Markus isExperienced. Learn about Familial Colorectal Cancer.
- Fecal ImpactionDr. Markus isExperienced. Learn about Fecal Impaction.
- Gallbladder DiseaseDr. Markus isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Markus isExperienced. Learn about Gallstones.
- Gas Bloat SyndromeDr. Markus isExperienced. Learn about Gas Bloat Syndrome.
- GastrectomyDr. Markus isExperienced. Learn about Gastrectomy.
- Gastrointestinal FistulaDr. Markus isExperienced. Learn about Gastrointestinal Fistula.
- Gilbert SyndromeDr. Markus isExperienced. Learn about Gilbert Syndrome.
- Hemorrhagic ProctocolitisDr. Markus isExperienced. Learn about Hemorrhagic Proctocolitis.
- Hepatitis BDr. Markus isExperienced. Learn about Hepatitis B.
- Hepatitis CDr. Markus isExperienced. Learn about Hepatitis C.
- HiccupsDr. Markus isExperienced. Learn about Hiccups.
- Intestinal CancerDr. Markus isExperienced. Learn about Intestinal Cancer.
- JaundiceDr. Markus isExperienced. Learn about Jaundice.
- Liver FailureDr. Markus isExperienced. Learn about Liver Failure.
- Lower Esophageal RingDr. Markus isExperienced. Learn about Lower Esophageal Ring.
- Menetrier DiseaseDr. Markus isExperienced. Learn about Menetrier Disease.
- Necrotizing EnterocolitisDr. Markus isExperienced. Learn about Necrotizing Enterocolitis.
- Neuroendocrine TumorDr. Markus isExperienced. Learn about Neuroendocrine Tumor.
- Non-Alcoholic Fatty Liver DiseaseDr. Markus isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- Nonalcoholic Steatohepatitis (NASH)Dr. Markus isExperienced. Learn about Nonalcoholic Steatohepatitis (NASH).
- Opioid Induced ConstipationDr. Markus isExperienced. Learn about Opioid Induced Constipation.
- Pancreatic PseudocystDr. Markus isExperienced. Learn about Pancreatic Pseudocyst.
- Primary Biliary CholangitisDr. Markus isExperienced. Learn about Primary Biliary Cholangitis.
- ProctitisDr. Markus isExperienced. Learn about Proctitis.
- Progressive Familial Intrahepatic Cholestasis Type 1
- Progressive Familial Intrahepatic Cholestasis Type 2
- Progressive Familial Intrahepatic Cholestasis Type 3
- Protein DeficiencyDr. Markus isExperienced. Learn about Protein Deficiency.
- Pseudomembranous ColitisDr. Markus isExperienced. Learn about Pseudomembranous Colitis.
- Reynolds SyndromeDr. Markus isExperienced. Learn about Reynolds Syndrome.
- Sclerosing CholangitisDr. Markus isExperienced. Learn about Sclerosing Cholangitis.
- Sclerosing MesenteritisDr. Markus isExperienced. Learn about Sclerosing Mesenteritis.
- Spontaneous Bacterial PeritonitisDr. Markus isExperienced. Learn about Spontaneous Bacterial Peritonitis.
- Squamous Cell Carcinoma of the Anal Canal (SCAC)
- Stomach CancerDr. Markus isExperienced. Learn about Stomach Cancer.
- Superior Mesenteric Artery Syndrome (SMAS)
- TenesmusDr. Markus isExperienced. Learn about Tenesmus.
- Urea Cycle Disorders (UCD)Dr. Markus isExperienced. Learn about Urea Cycle Disorders (UCD).
- Watermelon StomachDr. Markus isExperienced. Learn about Watermelon Stomach.
- Zollinger-Ellison SyndromeDr. Markus isExperienced. Learn about Zollinger-Ellison Syndrome.
