Nestoras Mathioudakis
Experienced in Diabetic Nephropathy

Dr. Nestoras Mathioudakis

Endocrinology
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 2, Floor 2, 
Baltimore, MD 
Offers Telehealth

Experienced in Diabetic Nephropathy
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 2, Floor 2, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. Mathioudakis, an endocrinologist and researcher, has a strong focus on diabetes management and patient care, recognized through awards like the Baltimore Top Doc. He has contributed significantly to diabetes research, authoring over 150 publications and participating in the development of consensus guidelines in the field. His studies have offered valuable insights into using health informatics for diabetes prevention and management. After graduating from the Johns Hopkins University School of Medicine and completing his training in Internal Medicine and a fellowship in Endocrinology, Diabetes, & Metabolism, Dr. Mathioudakis joined the faculty in the Division of Endocrinology, Diabetes & Metabolism in 2012. He earned a Master of Health Science in clinical investigation in 2015 and was the Clinical Director of the Division of Endocrinology from 2016 to 2021. Currently, he co-directs the Baltimore Metropolitan Diabetes Regional Partnership, focusing on improving access to diabetes prevention and management programs. As a physician-scientist, Dr. Mathioudakis leads multiple research studies funded by the NIH, private philanthropic organizations (Helmsley Charitable Trust), non-profit organizations (Breakthrough T1D), and industry. His research focuses on the effectiveness of automated diabetes prevention programs and strategies to reduce racial disparities in diabetes technology access. He also collaborates nationally to enhance care for people with type 1 diabetes. Holding a joint appointment in the Division of Biomedical Informatics and Data Science, Dr. Mathioudakis integrates machine learning and AI in diabetes research. He has served on the national Epic Endocrinology Specialty Steering Board and chaired the Type 2 Diabetes Prognostics Working Group for the Precision Medicine Diabetes Initiative. Committed to education, he frequently lectures on endocrinology, epidemiology, and health informatics.

Dr. Mathioudakis is rated as an Experienced provider by MediFind in the treatment of Diabetic Nephropathy. His top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Low Blood Sugar, Maturity Onset Diabetes of the Young, and Pancreaticoduodenectomy.

His clinical research consists of co-authoring 114 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 2 articles in the study of Diabetic Nephropathy.

Graduate Institution
Johns Hopkins Bloomberg School Of Public Health, MHS, 2015
Residency
Johns Hopkins Bayview Medical Center, Internal Medicine, 2009
Specialties
Endocrinology
Licenses
Internal Medicine in MD
Fellowships
Johns Hopkins University School of Medicine, Endocrinology, 2012
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
French
Greek
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
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Medicare
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  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Meridian Choice
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  • INSURANCE PLAN
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  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
UnitedHealthcare
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  • PPO
UPMC
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  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
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Wellcare
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  • INSURANCE PLAN
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  • OTHER MEDICARE
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Locations

Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 2, Floor 2, Baltimore, MD 21287
Call: 410-955-9270
Other Locations
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
10751 Falls Road, Falls Concourse STE 412, Lutherville, MD 21093
Call: 410-955-9270

Additional Areas of Focus

Dr. Mathioudakis 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.

Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)

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.


1 Clinical Trials

Effectiveness and Cost-Effectiveness of Fully-Automated Digital vs. Human Coach-Based Diabetes Prevention Programs
Effectiveness and Cost-Effectiveness of Fully-Automated Digital vs. Human Coach-Based Diabetes Prevention Programs
Enrollment Status: Completed
Publish Date: December 17, 2025
Intervention Type: Behavioral
Study Phase: Not Applicable

114 Total Publications

An AI-Powered Lifestyle Intervention vs Human Coaching in the Diabetes Prevention Program: A Randomized Clinical Trial.
An AI-Powered Lifestyle Intervention vs Human Coaching in the Diabetes Prevention Program: A Randomized Clinical Trial.
Journal: JAMA
Published: October 27, 2025
View All 114 Publications
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Johns Hopkins Outpatient Center

601 North Caroline Street, Floor 2, Floor 2, 
Baltimore, MD 
 (4.9 miles away)
410-955-9270
Languages Spoken:
English, German
See accepted insurances
Offers Telehealth

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 Advanced provider by MediFind in the treatment of Diabetic Nephropathy. His top areas of expertise are Type 1 Diabetes (T1D), Diabetic Nephropathy, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young.

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Deepika Pradhan is an Endocrinologist in Lititz, Pennsylvania. Dr. Pradhan is rated as a Distinguished provider by MediFind in the treatment of Diabetic Nephropathy. Her top areas of expertise are Thyroid Cancer, Anaplastic Thyroid Cancer, Diabetic Nephropathy, and Medullary Thyroid Carcinoma.

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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

Find Dr. Mathioudakis's expertise for a condition
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    • Distinguished
    • Low Blood Sugar
      Dr. Mathioudakis is
      Distinguished
      . Learn about Low Blood Sugar.
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    • Type 1 Diabetes (T1D)
      Dr. Mathioudakis is
      Distinguished
      . Learn about Type 1 Diabetes (T1D).
      See more Type 1 Diabetes (T1D) experts
    • Type 2 Diabetes (T2D)
      Dr. Mathioudakis is
      Distinguished
      . Learn about Type 2 Diabetes (T2D).
      See more Type 2 Diabetes (T2D) experts
    • Advanced
    • Maturity Onset Diabetes of the Young
      Dr. Mathioudakis is
      Advanced
      . Learn about Maturity Onset Diabetes of the Young.
      See more Maturity Onset Diabetes of the Young experts
    • Experienced
    • Diabetic Hyperglycemic Hyperosmolar Syndrome
      Dr. Mathioudakis is
      Experienced
      . Learn about Diabetic Hyperglycemic Hyperosmolar Syndrome.
      See more Diabetic Hyperglycemic Hyperosmolar Syndrome experts
    • Diabetic Ketoacidosis
      Dr. Mathioudakis is
      Experienced
      . Learn about Diabetic Ketoacidosis.
      See more Diabetic Ketoacidosis experts
    • Diabetic Nephropathy
      Dr. Mathioudakis is
      Experienced
      . Learn about Diabetic Nephropathy.
      See more Diabetic Nephropathy experts
    • Diabetic Retinopathy
      Dr. Mathioudakis is
      Experienced
      . Learn about Diabetic Retinopathy.
      See more Diabetic Retinopathy experts
    • Hypothalamic Tumor
      Dr. Mathioudakis is
      Experienced
      . Learn about Hypothalamic Tumor.
      See more Hypothalamic Tumor experts
    • Nelson Syndrome
      Dr. Mathioudakis is
      Experienced
      . Learn about Nelson Syndrome.
      See more Nelson Syndrome experts
    View All 9 Experienced Conditions
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