
Overview
Dr. Donner's clinical and research interests have focused on the prevention of complications in patients with type 1 and 2 diabetes. For 6 years, he was the Associate Medical Director of the Joslin Diabetes Center affiliate at the University of Maryland, and then Medical Director from 2004 - 2010. After joining the faculty at Johns Hopkins University in 2010, his clinical and research interests became fully dedicated to diabetes. He became the Director of The Johns Hopkins Diabetes Center in 2011. He has been a clinical investigator in a number of NIH- and industry-funded diabetes research trials. Dr. Donner was a co-PI in the NIH-funded Veterans Affairs Implantable Insulin Pump Study, a Co-PI on the NIDDK-funded Diabetes Control and Complications Trial / Epidemiology of Diabetes Intervention and Complications (DCCT / EDIC) Study for 16 years, and Co-PI for the Bypass Angioplasty Revascularization Investigation 2 Diabetes (BARI 2D) for 7 years. Recently, he has served as PI for the Durable-response therapy Evaluation For Early or New-onset type 1 Diabetes (DEFEND-1). Dr. Donner is currently collaborating with Dr. Abdel Hamad in Immunology on preventing B-regulatory cell apoptosis using a novel monoclonal antibody targeting the presumptive apoptotic factor. This antibody prevents the development of type 1 diabetes in non obese diabetic mice. Dr. Donner is the PI for Johns Hopkins for TrialNet, a multicenter, international consortium of investigators studying ways to prevent Type 1 diabetes and preserve insulin secretion in individuals with newly diagnosed Type 1 diabetes. He is also a PI for a study investigating FIAsp, a faster-acting insulin aspart in subjects with type 1 diabetes, and is working with investigators at the Johns Hopkins School of Engineering on an implantable insulin pump which delivers insulin intravenously.
Dr. Donner is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Type 1 Diabetes (T1D), Diabetic Nephropathy, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young.
His clinical research consists of co-authoring 23 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
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Locations
601 North Caroline Street, Floor 2, Floor 2, Baltimore, MD 21287
10751 Falls Road, Falls Concourse STE 412, Lutherville, MD 21093
Additional Areas of Focus
Dr. Donner 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.
GT Health, LLC
Your “Big Picture” Endocrinologist:As a physician with specialized training and experience in endocrinology, diabetes, and metabolism, I recognize the human body’s complex nature, where organs and their functions are deeply intertwined. To broaden my understanding and address patents’ diverse health aspects, I pursued additional board certifications in lipidology, hypertension, and obesity medicine. These certifications are closely linked to endocrinology and play pivotal roles in overall health.Through this expanded knowledge base, I have developed a unique skill set in the realm of integrative endocrinology. This cross-disciplinary expertise empowers me to not only attend to my patients’ specific hormonal needs but also to take a holistic approach to their overall well-being. By addressing the interconnected relationships among various bodily organs, I aim to provide more effective and personalized care that transcends isolated medical symptoms. In short, this approach allows me to consider the broader context of my patients’ health, resulting in a more thorough and integrated endocrine care experience.Beyond Symptoms:When you choose me as your doctor, I move beyond simply assessing and treating isolated symptoms. Instead, I focus on uncovering the underlying or “hidden” factors contributing to your condition. I do this by considering the dynamic interplay between various hormones, metabolic processes, and bodily organs, all of which influence your well-being. Dr. Tashko is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Abdominal Obesity Metabolic Syndrome, Type B Insulin Resistance Syndrome, Mitochondrial Complex V Deficiency, and Cytochrome C Oxidase Deficiency.
United Medical, LLC
Blanca Ocampo is an Endocrinologist in Bear, Delaware. Dr. Ocampo is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Diabetic Hyperglycemic Hyperosmolar Syndrome, Type 2 Diabetes (T2D), Obesity in Children, and Thyroid Nodule.
Johns Hopkins Bayview Medical Center
Dr. Sudipa Sarkar is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include endocrinology. She received her M.D. from Yale School of Medicine. She completed her residency in internal medicine at Yale-New Haven Hospital and performed a fellowship in endocrinology, diabetes and metabolism at Vanderbilt University Medical Center. Dr. Sarkar joined the Johns Hopkins faculty in 2017. Dr. Sarkar is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Type 2 Diabetes (T2D), Diabetic Retinopathy, Maturity Onset Diabetes of the Young, Diabetic Neuropathy, and Sleeve Gastrectomy.
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
- Diabetic NephropathyDr. Donner isDistinguished. Learn about Diabetic Nephropathy.
- Type 1 Diabetes (T1D)Dr. Donner isDistinguished. Learn about Type 1 Diabetes (T1D).
- Advanced
- Diabetic NeuropathyDr. Donner isAdvanced. Learn about Diabetic Neuropathy.
- Maturity Onset Diabetes of the Young
- Type 2 Diabetes (T2D)Dr. Donner isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- Diabetic KetoacidosisDr. Donner isExperienced. Learn about Diabetic Ketoacidosis.
- Diabetic RetinopathyDr. Donner isExperienced. Learn about Diabetic Retinopathy.
- Graves DiseaseDr. Donner isExperienced. Learn about Graves Disease.
- Low Blood SugarDr. Donner isExperienced. Learn about Low Blood Sugar.
- Obesity in ChildrenDr. Donner isExperienced. Learn about Obesity in Children.

