Nelly Arnouk, MD| Endocrinology Diabetes and Metabolism, Hospital Medicine | MedStar Health
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
- Hyperparathyroidism
- Low Testosterone Levels
- Pancreatitis
- Type 2 Diabetes Mellitus
Conditions and procedures
Conditions I treat
- Abnormal Function Study Results
- Abnormal Urine Test Results
- Adrenal Crisis
- Ankle And Foot Fracture
- Bone Density Disorder
- Bone Discontinuity
- Bone Disorders
- Breast Disorders
- Cardiometabolic Disorders
- Complications Of Cardiac And Vascular Prosthetic Devices
- Cushing Syndrome
- Deforming Dorsopathies
- Diabetes In Pregnancy
- Disorders Of Amino
- Disorders Of Carbohydrate Metabolism
- Disorders Of Lipoprotein Metabolism And Lipidemias
- Disorders Of Mineral Metabolism
- Disorders Of Pancreatic Internal Secretion
- Disorders Of Pituitary Gland
- Disorders Of Renal Tubular Function
- Family History Of Malignant Neoplasm
- Femur Shaft Fracture
- Finger, Hand, And Wrist Open Wound
- Gastrinoma
- Gestational Diabetes
- Grave's Disease
- Hashimoto Thyroiditis
- High Cholesterol
- Hyperaldosteronism
- Hyperfunction Of Pituitary Gland
- Hyperparathyroidism
- Hypertrichosis
- Hypertriglyceridemia
- Hypocalcemia
- Insulin Resistance
- Late Pregnancy Complications
- Long Term Drug Therapy
- Low Testosterone Levels
- Lumbar Spine Fracture
- Male Impotence
- Malignant Neoplasm Of Endocrine Glands
- Maternal Diseases
- Multiple Myeloma Of The Spine
- Nonscarring Hair Loss
- Nontoxic Goiter
- Obesity
- Orbit Disorders
- Osteochondropathies
- Osteoporosis
- Ovarian Dysfunction
- Pancreatitis
- Pelvic Organ Injury
- Plasma Cell Neoplasms
- Poisoning
- Postprocedural Complications
- Rib And Sternum Fracture
- Spondylopathies
- Subclinical Hypothyroidism
- Testicular Dysfunction
- Thyroid Cancer
- Thyrotoxic Crisis
- Type 2 Diabetes Mellitus
- Vitamin D Deficiency Rickets
- Vitamin Deficiency
Procedures I perform
- Acid-Base Management
- Acromegaly Treatment
- Adrenal Crisis Treatment
- Adrenal Hormone Regulation
- Adrenal Insufficiency Treatment
- Anaplastic Thyroid Cancer Treatment
- Blood Pressure Check
- Blood Pressure Monitoring
- Body Mass Index (BMI) Evaluation
- Cardiovascular Disease Management Program
- Computerized Tomography (CT) Scan
- Continuous Glucose Monitoring System
- Cushing's Disease Surgery
- Cushing's Disease Treatment
- Cushing's Syndrome Treatment
- Dexamethasone Suppression Test
- Diabetes Eye Care
- Diabetes Foot Care
- Diabetes Management
- Diabetes Treatment
- Diabetes-Related Nerve Care
- Diabetic Nephropathy Screening
- Diet And Nutrition Counseling
- Dopamine Therapy
- Endocrine And Reproductive Pathology
- Enterectomy
- Exercise Plan
- Fallopian Tube Removal
- Fasting Blood Sugar
- Fine-Needle Aspiration Of Thyroid Nodule
- Follicular Thyroid Cancer Treatment
- Fractorav
- Ganglion Cyst Excision
- Genetic Mutation Testing
- Genetic Testing For Stargardt Disease
- Gestational Diabetes Management
- Glucose Control 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
- Hypertension Treatment
- Hyperthyroidism Treatment
- Hypoparathyroidism Treatment
- Hypothyroidism Screening For Hypothyroidism
- Hypothyroidism Treatment
- Insulin Dose Titration
- Insulin Pen Training
- Insulin Resistance Treatment
- Insulin-Like Growth Factor-1 (IGF-1) Test
- Islet Xenotransplant
- Ketoacidosis Treatment
- Kidney Disease Treatment
- Lada (LATENT AUTOIMMUNE DIABETES IN ADULTS) Treatment
- Lifestyle Modification For Cardiovascular Health
- Lipid Disorder Treatment
- Lipid Profile
- Lobectomy
- Magnetic Resonance Imaging (MRI)
- Medication Administration And Management
- Medullary Thyroid Cancer Treatment
- Multiple Endocrine Neoplasia (MEN) Testing
- Nutrition Counseling
- One-On-One Diabetes Education
- Osteoporosis Prevention Treatment
- Pacemaker Upgrade
- Pain Medication Management
- Papillary Thyroid Cancer Treatment
- Parathyroid Disease Treatment
- Parathyroid Tumor Surgery
- Peer Support Groups
- Pheochromocytoma Treatment
- Pioglitazone Therapy
- Pituitary Adenoma Treatment
- Pituitary Apoplexy Treatment
- Pituitary Tumor Treatment
- Polycystic Ovary Syndrome (PCOS) Treatment
- Preventive Care For Endocrine Disorders
- Primary Aldosteronism Treatment
- Prolactinoma Surgery
- Prolactinoma Treatment
- Psychological Counseling For Cancer
- Pulsatile Tinnitus Treatment
- Radiofrequency Ablation Of Thyroid Nodules
- Retinopathy Screening
- Stem Cell Therapy
- Testicular Ultrasound
- Thyroid Biopsy
- Thyroid Cancer Treatment
- Thyroid Cyst Treatment
- Thyroid Lymphoma Treatment
- Thyroid Nodule Treatment
- Thyroid Storm Surgery
- Thyroid Storm Treatment
- Thyroidectomy
- Time Management Training
- Vestibular Testing
- Weight Management Program
Insurance
MedStar Health accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Health, please call your insurance company.
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List of insurance plans we accept
- First Health PPO
- Aetna Open Choice (PPO)
- Beech Street PPO
- Choice POS II
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Anthem Federal Employee Program Basic
- Kaiser Permanente Medicare Plus
- CareFirst Blue Card Program
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Cigna Alliance Medicare (HMO)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- CareFirst Maryland Indemnity or PPO
- United Healthcare Community Plan - VA Medicaid MCO
- United Healthcare Options (PPO)
- Aetna Classic 3500
- CIGNA HMO Open Access
- Lasso Healthcare - Medicare Medical Savings Account
- CareFirst Maryland Point of Service Plan
- TriWest Healthcare Alliance
- UnitedHealthcare Medicare Adv. Special Needs Plans
- United Healthcare Choice
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- OA Plus
- Aetna Better Health of VA
- Aetna Advantage 6350
- Medicare Advantage - Advantra Value (PPO)
- IH-Open HMO
- AMERIVANTAGE/Amerigroup Community Care
- Aetna Classic 5000PD
- TRICARE East Select
- Aetna Advantage 6350PD
- Navigate
- Aetna Quality Point of Service (POS)
- Kaiser Permanente Signature - Added Choice
- CareFirst Blue Choice Opt Out Open Access
- Choice POS II Open Access
- Optimum Choice
- Veterans Affairs Community Care Network
- Advantra Platinum (PPO)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Johns Hopkins Advantage MD PLUS PPO
- United Medicare Private Fee-for-Service (PFFS) plans
- IH-POS Plus
- United Healthcare Select Plus (POS)
- IH-Open POS Plus
- IH-Network Only Plus
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Aetna Elect Choice/ Open Access (POS)
- Anthem BCBS Medi Blue Dual Adv
- Kaiser Maryland Medicaid MCO
- Anthem BCBS Medi Blue SNP
- Choice Fund PPO
- CIGNA HMO & Network (HMO)
- CIGNA Indemnity
- Aetna Managed Choice Open Access (POS)
- IH-POS
- Tricare Reserve Select
- Cigna Achieve Medicare (HMO C-SNP)
- Aetna HMO
- Aetna Advantage 5750
- Cigna Preferred Medicare (HMO)
- Coventry Health Care National Network PPO
- CareFirst Group Medicare Advantage
- United Student Resources
- HumanaChoice PPO
- Select HMO/HealthFund/Health Network
- Aetna Premier 200PD
- IH-PPO
- Medicare Direct
- Kaiser Permanente Select
- Aetna Worker's Compensation Network
- Choice POS
- CIGNA Connect EPO
- Aetna Student Health Insurance
- Kaiser Permanente HMO Plus and DHMO Plus Member
- CareFirst MedStar PPO
- United Healthcare Choice Plus Cardiac Global
- CareFirst Federal Employee Program (Std. & Basic PPO)
- HighMark
- MedStar Family Choice DC Healthy Families
- Kaiser Permanente Select Cardiac Global
- Geisinger Medicare Advantage
- Sentara Health
- Private Fee-for-Service Plans (PFFS)
- Coventry of Delaware HMO/PPO
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- IH-Open HMO Option
- Uniformed Services Family Health Plan
- HumanaChoice Honor's plan PPO
- Aetna Signature Administrator PPO/TPA
- Great-West Healthcare POS/CIGNA
- Aetna Classic 5000
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- CareFirst Dual Prime HMO-SNP
- M.D. IPA Preferred (POS)
- Coventry Health Care of Virginia
- Optimum Choice Preferred (POS)
- Johns Hopkins Advantage MD PPO
- TRICARE for Life East
- CareFirst (NCA) Indemnity
- UHC Passport
- Humana Medicare Advantage - PPO
- CIGNA POS/Network POS
- POS OA
- United HealthCare Community Plan - Maryland Health Choice Program
- CareFirst EPO
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Aetna Medicare Advantage PFFS Plan
- Kaiser Permanente Flexible Choice 3-tier POS
- Priority Partners - Maryland Health Choice
- United Healthcare Choice Cardiac Global
- Amerigroup DC Alliance
- First Health PPO
- Core Essential (HMO)
- HealthyBlue PPO
- Kaiser Permanente Signature
- Medicare FFS
- CIGNA EPO
- AmeriHealth Caritas DC Healthy Families
- Alterwood Advanatge HMO & DSNP Plans
- CIGNA SureFit (HMO)
- CareFirst FEP Blue Focus
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Magellan Complete Care of VA - VA Medicaid MCO
- Humana Gold Plus HMO
- UnitedHealthcare Individual Exchange Plans
- Anthem BCBS of VA HealthKeepers Plus
- Johns Hopkins Advantage MD HMO
- CIGNA PPO Plus
- Humana Medicare Advantage - HMO Open Access
- WellPoint Maryland - Maryland Health Choice
- CareFirst MedStar Select PPO
- Healthy Blue (HMO, POS)
- IH-Open EPO Plus
- IH-HMO
- Police and Fire Clinic
- Blue Choice Advantage
- United Healthcare Select HMO - EPO/NPP
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- TRICARE East Prime
- Mamsi Life & Health (Indem./PPO)
- United Healthcare Choice Plus
- Jai Medical Systems - Maryland Health Choice
- Anthem BCBS of VA HealthKeepers (HMO)
- Health Services for Children with Special Needs
- United Healthcare Navigate Cardiac Global
- Kaiser Permanente Select - Added Choice
- IH-Open Network Only Plus
- CareFirst Blue Preferred PPO
- IH-Open POS II
- CareFirst Administrators
- Cigna True Choice Medicare (PPO)
- Aetna Managed Choice (POS)
- Network OA
- Erickson Advantage Plans
- Maryland Physicians Care MCO
- NYC Medicare Advantage Plus
- Employee Health Plan
- MultiPlan, Inc
- Aetna Better Health of MD
- Options PPO Cardiac Global
- Anthem BCBS Medi Blue Plus
- Choice Care Network/HUMANA (PPO)
- CareFirst NASCO
- Private Health Care Systems (PPO)
- Cigna TotalCare (HMO D-SNP)
- UnitedHealthcare and AARP Medicare Complete Plans
- CIGNA PPO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- M.D. IPA (HMO)
- Kaiser Permanente Medicare Advantage Signature and Select
- BlueChoice Open Access
- Amerigroup DC Healthy Families
- MedStar Family Choice DC Healthcare Alliance
- Aetna Medicare Advantage HMO & PPO Plans
- OCI Direct (HMO)
- MedStar Family Choice - Maryland Health Choice
- Anthem Federal Employee Program Standard
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Optima Family Care MCO - VA Medicaid MCO
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Aetna Traditional Choice (PPO)
- Cigna True Choice Plus Medicare (PPO)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- AmeriHealth Caritas DC Healthcare Alliance
- Aetna VA Exchange
- CareFirst Community Health Plan of MD
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- CareFirst BlueChoice HMO
- IH-EPO Plus
- DC/MD SHOP QHP Small Business Plans
- IH-Indemnity
- Aetna Basic
Education
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