Overview
Dr. Onwueme graduated with Distinction from Yale University with dual BSc/MSc degrees in chemistry and received MD and PhD degrees from Weill Cornell Medical College. He completed his Internal Medicine residency at Brigham and Women’s Hospital (Clinical Fellow Harvard Medical School) and his Gastroenterology fellowship at Johns Hopkins University School of Medicine. He is currently the Director of clinical trials at Woodholme Gastroenterology and has an ardent interest in the role of microbial metabolites in gut diseases. Dr. Onwueme prizes commitment to quality and compassionate patient care to which he devotes his practice. He has expert knowledge in gut microbiology and a special interest in diarrheal diseases, disordered gut motility, autoimmune and inflammatory bowel disease.
Dr. Onwueme is rated as an Advanced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.
His clinical research consists of co-authoring 2 peer reviewed articles and participating in 5 clinical trials. MediFind looks at clinical research from the past 15 years.
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
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- 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
Locations
1838 Greene Tree Road, Suite 400, Suite 400, Baltimore, MD 21208
Additional Areas of Focus
Dr. Onwueme 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.
4 Clinical Trials
Woodholme Gastroenterology Assoc PA
Agazi Gebreselassie is a Gastroenterologist and a Hospital Medicine provider in Baltimore, Maryland. Dr. Gebreselassie is rated as an Advanced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Jaundice, Macroamylasemia, Portal Hypertension, Endoscopy, and Colonoscopy.
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
Natarajan Ravendhran is a hepatologist specializing in the diagnosis, treatment and management of liver diseases. He received his medical degree from Stanley Medical College, University of Madras in India, completed his residency in internal medicine at what is now Ascension Saint Agnes Hospital in Maryland and a residency in surgery at Railway Hospital in Madras, India. Dr. Ravendhran performed fellowship training in hepatology under the mentorship of Eugene and Leon Schiff at the University of Miami. Additionally, he received fellowship training in gastroenterology and liver disease at the University of Missouri. Dr. Ravendhran received a master’s degree in business administration in medical services management from The Johns Hopkins University. He is a fellow of the American Association for the Study of Liver Diseases and the American Gastroenterological Association, and is a member of the European Association for the Study of the Liver. Dr. Ravendhran is interested in exploring cholestatic disorders. He has participated in many clinical trials that focus on hepatitis B and C, in addition to metabolic dysfunction-associated steatotic liver disease trials. He enjoys teaching, rounding with fellows and seeing patients, and his motto is “Patients come first!”. Dr. Ravendhran is rated as a Distinguished provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Hepatitis, Visceromegaly, Enlarged Liver, and Endoscopy.
Medstar Medical Group Ii LLC
Nadim Haddad is a Gastroenterologist in Washington, Washington, D.c.. Dr. Haddad is rated as a Distinguished provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Gallstones, Gallbladder Disease, Bile Duct Obstruction, Gallbladder Removal, and Endoscopy. Dr. Haddad is currently accepting new patients.
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
- Acute PancreatitisDr. Onwueme isAdvanced. Learn about Acute Pancreatitis.
- Alcoholic CirrhosisDr. Onwueme isAdvanced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Onwueme isAdvanced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Onwueme isAdvanced. Learn about Angiodysplasia of the Colon.
- Bacterial GastroenteritisDr. Onwueme isAdvanced. Learn about Bacterial Gastroenteritis.
- Bowel IncontinenceDr. Onwueme isAdvanced. Learn about Bowel Incontinence.
- Experienced
- AchalasiaDr. Onwueme isExperienced. Learn about Achalasia.
- Anal FissureDr. Onwueme isExperienced. Learn about Anal Fissure.
- Arteriovenous MalformationDr. Onwueme isExperienced. Learn about Arteriovenous Malformation.
- AscitesDr. Onwueme isExperienced. Learn about Ascites.
- Attenuated Familial Adenomatous PolyposisDr. Onwueme isExperienced. Learn about Attenuated Familial Adenomatous Polyposis.
- Banti's SyndromeDr. Onwueme isExperienced. Learn about Banti's Syndrome.