Nelly Arnouk, MD| Endocrinology Diabetes and Metabolism, Endocrinology | 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
- 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
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.
-
List of insurance plans we accept
- AmeriHealth Caritas DC Healthcare Alliance
- UHC Passport
- Aetna Advantage 6350
- CareFirst MedStar PPO
- Sentara Health
- Choice Fund PPO
- TriWest Healthcare Alliance
- CIGNA HMO & Network (HMO)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Kaiser Permanente Signature - Added Choice
- Aetna Medicare Advantage HMO & PPO Plans
- POS OA
- Amerigroup DC Alliance
- Cigna Alliance Medicare (HMO)
- Kaiser Permanente Select Cardiac Global
- IH-Indemnity
- CareFirst FEP Blue Focus
- NYC Medicare Advantage Plus
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Aetna Managed Choice Open Access (POS)
- Johns Hopkins Advantage MD PLUS PPO
- CareFirst Blue Card Program
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Basic
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Medicare Advantage PFFS Plan
- TRICARE for Life East
- Kaiser Permanente HMO Plus and DHMO Plus Member
- CareFirst Administrators
- IH-PPO
- Coventry of Delaware HMO/PPO
- MedStar Family Choice DC Healthy Families
- CareFirst MedStar Select PPO
- UnitedHealthcare Individual Exchange Plans
- IH-Open EPO Plus
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Mamsi Life & Health (Indem./PPO)
- Blue Choice Advantage
- CareFirst Group Medicare Advantage
- Cigna Preferred Medicare (HMO)
- Health Services for Children with Special Needs
- TRICARE East Prime
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Coventry Health Care of Virginia
- Anthem BCBS Medi Blue Plus
- CareFirst Community Health Plan of MD
- Network OA
- IH-EPO Plus
- Aetna Signature Administrator PPO/TPA
- Amerigroup DC Healthy Families
- Coventry Health Care National Network PPO
- Aetna Classic 5000
- United Healthcare Choice Plus Cardiac Global
- CIGNA PPO
- UnitedHealthcare and AARP Medicare Complete Plans
- Private Fee-for-Service Plans (PFFS)
- Aetna Classic 3500
- HumanaChoice Honor's plan PPO
- Kaiser Permanente Select - Added Choice
- Anthem BCBS of VA HealthKeepers (HMO)
- United Healthcare Select HMO - EPO/NPP
- United Healthcare Select Plus (POS)
- Medicare FFS
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Anthem BCBS Medi Blue SNP
- Aetna Student Health Insurance
- Aetna Worker's Compensation Network
- Humana Gold Plus HMO
- Jai Medical Systems - Maryland Health Choice
- Veterans Affairs Community Care Network
- CareFirst Dual Prime HMO-SNP
- United Student Resources
- Aetna Premier 200PD
- Kaiser Maryland Medicaid MCO
- CareFirst Maryland Point of Service Plan
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- DC/MD SHOP QHP Small Business Plans
- CareFirst EPO
- Cigna True Choice Plus Medicare (PPO)
- Medicare Advantage - Advantra Value (PPO)
- MedStar Family Choice - Maryland Health Choice
- IH-HMO
- Aetna Quality Point of Service (POS)
- Anthem BCBS Medi Blue Dual Adv
- Humana Medicare Advantage - PPO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- CIGNA PPO Plus
- MedStar Family Choice DC Healthcare Alliance
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- UnitedHealthcare Medicare Adv. Special Needs Plans
- IH-Open HMO
- HealthyBlue PPO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Priority Partners - Maryland Health Choice
- United Healthcare Choice Cardiac Global
- IH-Network Only Plus
- Aetna Traditional Choice (PPO)
- Kaiser Permanente Select
- M.D. IPA Preferred (POS)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Choice Care Network/HUMANA (PPO)
- Alterwood Advanatge HMO & DSNP Plans
- OA Plus
- United Healthcare Options (PPO)
- M.D. IPA (HMO)
- Anthem BCBS of VA HealthKeepers Plus
- Beech Street PPO
- MultiPlan, Inc
- Medicare Direct
- Options PPO Cardiac Global
- CareFirst Maryland Indemnity or PPO
- Aetna Open Choice (PPO)
- AMERIVANTAGE/Amerigroup Community Care
- Healthy Blue (HMO, POS)
- Erickson Advantage Plans
- Aetna HMO
- IH-Open POS Plus
- Lasso Healthcare - Medicare Medical Savings Account
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Advantra Platinum (PPO)
- Select HMO/HealthFund/Health Network
- First Health PPO
- Private Health Care Systems (PPO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- TRICARE East Select
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- CareFirst NASCO
- Aetna Better Health of VA
- CareFirst (NCA) Indemnity
- Choice POS II
- Police and Fire Clinic
- Cigna True Choice Medicare (PPO)
- OCI Direct (HMO)
- IH-POS
- Cigna Achieve Medicare (HMO C-SNP)
- Optimum Choice
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- CIGNA EPO
- CIGNA Indemnity
- United Healthcare Community Plan - VA Medicaid MCO
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Better Health of MD
- Kaiser Permanente Flexible Choice 3-tier POS
- Navigate
- WellPoint Maryland - Maryland Health Choice
- Anthem Federal Employee Program Standard
- United Healthcare Choice
- Core Essential (HMO)
- Optimum Choice Preferred (POS)
- Aetna Elect Choice/ Open Access (POS)
- IH-Open POS II
- CareFirst Blue Preferred PPO
- CIGNA SureFit (HMO)
- Johns Hopkins Advantage MD PPO
- CareFirst Blue Choice Opt Out Open Access
- HighMark
- United HealthCare Community Plan - Maryland Health Choice Program
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Employee Health Plan
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Maryland Physicians Care MCO
- United Healthcare Navigate Cardiac Global
- Humana Medicare Advantage - HMO Open Access
- United Medicare Private Fee-for-Service (PFFS) plans
- Geisinger Medicare Advantage
- Johns Hopkins Advantage MD HMO
- CIGNA Connect EPO
- Kaiser Permanente Medicare Plus
- Aetna VA Exchange
- IH-POS Plus
- BlueChoice Open Access
- CIGNA HMO Open Access
- Great-West Healthcare POS/CIGNA
- Cigna TotalCare (HMO D-SNP)
- CareFirst BlueChoice HMO
- Choice POS II Open Access
- United Healthcare Choice Plus
- IH-Open Network Only Plus
- Choice POS
- First Health PPO
- Kaiser Permanente Signature
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- IH-Open HMO Option
- HumanaChoice PPO
- Aetna Classic 5000PD
- Magellan Complete Care of VA - VA Medicaid MCO
- Aetna Advantage 5750
- Aetna Advantage 6350PD
- Kaiser Permanente Medicare Advantage Signature and Select
- CIGNA POS/Network POS
- Tricare Reserve Select
- Uniformed Services Family Health Plan
- AmeriHealth Caritas DC Healthy Families
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Aetna Managed Choice (POS)
- Anthem Federal Employee Program Basic
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Board Certification: American Board of Internal Medicine, Endocrinology, Diabetes and Metabolism
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