About me
Nelly Arnouk, MD, is a board-certified Internal Medicine physician and endocrinologist at MedStar Health. She sees patients at the Good Health Center at MedStar Good Samaritan Hospital. Dr. Arnouk specializes in the diagnosis and treatment of diabetes, thyroid disease, and obesity. Her particular interest is in osteoporosis and bone health. She has published research in hypercalcemia and endocrine side effects of cancer treatment with immune checkpoint inhibitors. She is part of the Bone Health and Fracture Prevention Program team at MedStar Health. Dr. Arnouk completed her residency in Internal Medicine and her fellowship program in Endocrinology at MedStar Union Memorial Hospital.
She is a member of the American Association of Clinical Endocrinologists and the American Endocrinology Society.
Dr. Arnouk is fluent in Arabic.
Philosphy of care
“My philosophy of care revolves around understanding that every patient’s journey is unique. I am committed to listening attentively to your concerns, valuing your input, and tailoring our medical plan to align with your individual needs and goals. Together, we will embark on a shared path toward optimal health and well-being. Guided by the latest advancements in endocrinology, I am dedicated to providing evidence-based treatments and innovative solutions."
Clinical areas of focus
- Adult Osteomalacia
- Cardiometabolic Disorders
- Diabetes (TYPE 1)
- Fine-Needle Aspiration Of Thyroid Nodule
- Osteopenia
- Osteoporosis Prevention Treatment
- Pancreatitis
- Thyroid Disorders
- Type 2 Diabetes Mellitus
Conditions and procedures
Conditions I treat
- Abnormal Urine Test Results
- Adrenal Crisis
- Adult Osteomalacia
- Bone Density Disorder
- Bone Discontinuity
- Cardiometabolic Disorders
- Deforming Dorsopathies
- Diabetes (TYPE 1)
- Disorders Of Amino
- Disorders Of Carbohydrate Metabolism
- Disorders Of Lipoprotein Metabolism And Lipidemias
- Disorders Of Mineral Metabolism
- Disorders Of Renal Tubular Function
- Family History Of Malignant Neoplasm
- Gastrinoma
- High Cholesterol
- Hypercalcemia (ELEVATED CALCIUM LEVELS)
- Hyperparathyroidism
- Hypertrichosis
- Hypertriglyceridemia
- Hypocalcemia
- Long Term Drug Therapy
- Male Impotence
- Nonscarring Hair Loss
- Obesity
- Orbit Disorders
- Osteopenia
- Osteoporosis
- Ovarian Dysfunction
- Pancreatitis
- Pelvic Organ Injury
- Poisoning
- Postprocedural Complications
- Testicular Dysfunction
- Thyroid Disorders
- Thyroid Nodules
- Type 2 Diabetes Mellitus
Procedures I perform
- Acid-Base Management
- Acromegaly Treatment
- Adrenal Crisis Treatment
- Adrenal Hormone Regulation
- Adrenal Insufficiency Treatment
- Anaplastic Thyroid Cancer Treatment
- Bone Density Test
- Continuous Glucose Monitoring System
- Cushing's Disease Surgery
- Cushing's Disease Treatment
- Cushing's Syndrome Treatment
- Dexa Scans
- Dexamethasone Suppression Test
- Diabetes Eye Care
- Diabetes-Related Nerve Care
- Dopamine Therapy
- Endocrine And Reproductive Pathology
- Enterectomy
- Exercise Plan
- Fasting Blood Sugar
- Fine-Needle Aspiration Of Thyroid Nodule
- Follicular Thyroid Cancer Treatment
- Fractorav
- Genetic Mutation Testing
- Genetic Testing For Stargardt Disease
- Gestational Diabetes Management
- Glycated Hemoglobin Test
- Growth Hormone Deficiency Treatment
- Growth Hormone Excess Treatment
- Growth Hormone Stimulation Test
- High Cholesterol Management
- Homocysteine Lowering Therapy
- Hormone Replacement Therapy
- Hormone Replacement Therapy In Menopause
- Hormone Therapy For Low Testosterone
- Insulin Pen Training
- Insulin-Like Growth Factor-1 (IGF-1) Test
- Islet Xenotransplant
- Ketoacidosis Treatment
- Kidney Disease Treatment
- Lipid Disorder Treatment
- Medullary Thyroid Cancer Treatment
- Multiple Endocrine Neoplasia (MEN) Testing
- Obesity Treatment
- One-On-One Diabetes Education
- Osteoporosis Prevention Treatment
- Parathyroid Tumor Surgery
- Pioglitazone Therapy
- Prolactinoma Surgery
- Retinopathy Screening
- Stem Cell Therapy
- Testicular Ultrasound
- Thyroid Cancer Treatment
- Thyroid Cyst Treatment
- Thyroid Lymphoma Treatment
- Thyroid Storm Surgery
- Thyroidectomy
- Time Management Training
- Weight Management Program
Practice locations
Distance from Change Location Enter your Location
5601 Loch Raven Blvd
GHC O'Neill Bldg 2nd Fl
Baltimore, MD, 21239
Insurance
This list represents the major payors accepted by MedStar Health. NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card. *Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.
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List of insurance plans we accept
- Aetna
- CareFirst BlueCross BlueShield of Maryland
- Cigna Health Care
- Kaiser Permanente*
- MedStar Select (Administered by CareFirst)
- United HealthCare
- Aetna
- CareFirst BlueCross BlueShield of Maryland
- Healthspring
- Humana
- Medicare & Railroad Medicare
- United HealthCare
- Aetna Better Health of Maryland *
- Medical Assistance/Medicaid
- MedStar Family Choice MD
- Priority Partners *
- United HealthCare Community Health Plan MD
- Wellpoint MD
- AmeriHealth Caritas
- Health Services For Children With Special Needs (HSCSN)
- Medical Assistance/Medicaid
- MedStar Family Choice DC
- Johns Hopkins Employer Health Programs *
- Johns Hopkins US Family Health Plan *
- MultiPlan
- Private Healthcare Systems
- Tricare/Humana Military
- VA Community Care Network (VACCN)
Education
Board Certification: American Board of Internal Medicine, Endocrinology, Diabetes and Metabolism
Board Certification: American Board of Internal Medicine, Internal Medicine
Fellowship: MedStar Union Memorial Hospital at Baltimore (2023)
Residency: MedStar Union Memorial Hospital at Baltimore (2019)
Medical School: University of Damascus School of Medicine (2013)
Awards
- Baltimore magazine, Top Doctor, 2024, 2025