Marnie Gissel Aguasvivas Bello, MD| Internal Medicine, Endocrinology Diabetes and Metabolism | MedStar Health
Marnie Gissel Aguasvivas Bello, MD
Provider is directly employed by MedStar Health
Provider is directly employed by MedStar HealthSpecialties: Internal Medicine, Endocrinology Diabetes and Metabolism
Languages: Spanish, English
Clinical areas of focus
- Diabetes Mellitus Type 2
- Hyperthyroidism
- Osteoporosis
- Parathyroid Disorders
- Pituitary Disorders
- Subclinical Hypothyroidism
- Thyroid Cancer
- Thyroid Nodules
Conditions and procedures
Conditions I treat
- Acromegaly
- Adrenal Crisis
- Adrenal Gland Disorder
- Adrenal Gland Disorders (E.G. CUSHING'S SYNDROME, PHEOCHROMOCYTOMA)
- Adrenal Mass
- Adrenal Tumor
- Adrenogenital Disorders
- Adult Osteomalacia
- Benign Neoplasm Of Adrenal Gland
- Benign Thyroid Nodules
- Bone Density Disorder
- Cardiometabolic Disorders
- Congenital Adrenal Hyperplasia
- Cushing Syndrome
- Diabetes In Pregnancy
- Diabetes Insipidus
- Diabetes Mellitus Due To Underlying Condition
- Diabetes Mellitus Type 2
- Diabetic Ketoacidosis
- Diabetic Nephropathy
- Diabetic Neuropathy
- Diabetic Retinopathy
- Disorders Of Lipoprotein Metabolism And Lipidemias
- Disorders Of Mineral Metabolism
- Disorders Of Pituitary Gland
- Disorders Of Thyroid
- Drug Or Chemical Induced Diabetes Mellitus
- Endocrine Disorders
- Endocrine Hypertension
- Family History Of Malignant Neoplasm
- Gastrinoma
- Gestational Diabetes
- Grave's Disease
- Grave's Disease
- Growth Hormone Deficiency
- Hashimoto Thyroiditis
- High Blood Sugar
- High Cholesterol
- Hirsutism
- Hyperaldosteronism
- Hyperalimentation
- Hyperfunction Of Pituitary Gland
- Hyperglycemia
- Hyperparathyroidism
- Hyperprolactinemia
- Hyperthyroidism
- Hypertrichosis
- Hypocalcemia
- Hypoglycemia
- Hypoparathyroidism
- Insulin Resistance
- Klinefelter Syndrome
- Lipid Disorders
- Long Term Drug Therapy
- Low Testosterone Levels
- Male Hypogonadism
- Malignant Neoplasm Of Endocrine Glands
- Malignant Neoplasm Of Lymph Nodes
- Malignant Neuroendocrine Tumors
- Malnutrition
- Metabolic Syndrome
- Multiple Endocrine Neoplasia
- Nontoxic Goiter
- Obesity
- Osteochondropathies
- Osteopenia
- Osteoporosis
- Ovarian Cysts
- Ovarian Dysfunction
- Parathyroid Adenoma
- Parathyroid Cancer
- Parathyroid Disorders
- Pituitary Adenoma
- Pituitary Apoplexy
- Pituitary Cancer
- Pituitary Disorders
- Poisoning
- Polycystic Ovary Syndrome
- Polyglandular Dysfunction
- Postmenopausal Osteoporosis
- Postprocedural Complications
- Prediabetes
- Presence Of Functional Implants
- Primary Hyperparathyroidism
- Proteinuria
- Sex Chromosome Abnormalities, Male Phenotype
- Subclinical Hypothyroidism
- Testicular Dysfunction
- Thyroid Cancer
- Thyroid Goiter
- Thyroid Nodules
- Thyroid Storm
- Thyrotoxic Crisis
- Toxic Goiter
- Type 2 Diabetes
- Type 2 Diabetes In Children
- Type 2 Diabetes Mellitus
- Vitamin D Deficiency Rickets
- Vitamin Deficiency
- Weight Loss
- West Syndrome
Procedures I perform
- Acromegaly Treatment
- Adrenal Cancer Treatment
- Adrenal Crisis Treatment
- Adrenal Disease Treatment
- Adrenal Disorder Treatment
- Adrenal Gland Cancer Management
- Adrenal Hormone Management
- Adrenal Hormone Regulation
- Adrenal Insufficiency Treatment
- Adrenal Surgery
- Adrenal Tumor Treatment
- Aldosteronoma Management
- Anemia Management
- Automated Insulin Delivery
- Bariatric Nutrition Counseling
- Bariatric Surgery Counseling
- Bariatric Surgery Nutrition Counseling
- Binge Eating Disorder Treatment
- Blood Glucose Correction For High Readings
- Body Mass Index (BMI) Evaluation
- Carbohydrate Counting For Meal Planning
- Cardiovascular Health Nutrition Counseling
- Cervical Lymph Node Dissection
- Chronic Fatigue Syndrome Nutrition Counseling
- Continuous Glucose Monitoring System
- Continuous Glucose Monitoring System Training
- Coronary Artery Disease Nutrition Counseling
- Cushing Syndrome Management
- Cushing Syndrome Treatment
- Cushing's Syndrome Treatment
- Cystic Fibrosis Nutrition Counseling
- Diabetes Complications Prevention
- Diabetes Foot Care
- Diabetes Management
- Diabetes Self-Care Planning
- Diabetes Self-Efficacy Assessment
- Diabetes Self-Management
- Diabetes Support Group Facilitation
- Diabetes Treatment
- Diabetic Eye Exam
- Diabetic Foot Exam
- Diabetic Ketoacidosis Risk Assessment
- Diabetic Ketoacidosis Treatment
- Diabetic Retinopathy Nutrition Counseling
- Dietary Assessment
- Dietary Management Of Cushing Syndrome
- Dietary Supplement Counseling
- Dietary Treatment Of Goiter
- Eating For Optimal Energy
- Elder Abuse Screening And Support
- Electrolyte Management
- Endocrine Disorders Treatment
- Endocrine Tumor Treatment
- Endometriosis Nutrition Counseling
- Endurance Sports Nutrition
- Endurance Sports Nutrition Counseling
- Epigenetic Nutrition Counseling
- Familial Medullary Thyroid Carcinoma (FMTC) Treatment
- Fatigue Management
- Fine-Needle Aspiration Of Thyroid Nodule
- Flexibility And Mobility Nutrition Counseling
- Fluid And Electrolyte Management
- Geriatric Nutrition Counseling
- Gestational Diabetes Management
- Gland Disorder Treatment
- Gland Dysfunction Treatment
- Glaucoma Nutrition Counseling
- Glucometer Use
- Glucose Control Management
- Glycemic Variability Assessment
- Grave's Disease Treatment
- Grave's Orbitopathy Treatment
- Growth Hormone Follow-Up
- Growth Hormone Level Monitoring
- Growth Hormone Screening
- Gut Health Nutrition Counseling
- Hashimoto's Thyroiditis Treatment
- Healthy Weight Loss Guidance
- High Cholesterol Management
- High Cholesterol Nutrition Counseling
- Hormone Balancing Nutrition Counseling
- Hormone Imbalance Treatment
- Hormone Replacement Therapy
- Hypercalcemia Nutrition Management
- Hypercalcemia Treatment
- Hyperglycemic Hyperosmolar Nonketotic Syndrome (HHNS) Treatment
- Hyperparathyroidism Dietary Treatment
- Hyperthyroidism Nutrition Counseling
- Hyperthyroidism Treatment
- Hypoparathyroidism Treatment
- Hypothyroidism Diet Planning
- Hypothyroidism Treatment
- Insulin Dose Titration
- Insulin Pen Training
- Insulin Resistance Nutrition Counseling
- Insulin Resistance Treatment
- Insulin Syringe Use
- Islet Xenotransplant
- Ketogenic Diet Planning
- Kidney Disease Treatment
- Kidney Transplant Education
- Lipid Profile
- Meal Planning
- Menopause Nutrition Counseling
- Mind-Body Nutrition Counseling
- Mineral Deficiency Treatment
- Multiple Endocrine Neoplasia (MEN) Testing
- Neuroendocrine Disorder Treatment
- Neuroendocrine Tumor Treatment
- Nutrient Deficiency Screening
- Nutrient Supplementation Planning
- Nutrition Counseling
- Nutrition Science Education
- Obesity Treatment
- One-On-One Diabetes Education
- Oral Medication Therapy For Diabetes
- Osteoporosis Nutrition Counseling
- Osteoporosis Prevention Treatment
- Pancreatic Disease Management
- Paraganglioma Treatment
- Parathyroid Biopsy
- Parathyroid Cancer Treatment
- Parathyroid Disease Treatment
- Parathyroid Disorder Treatment
- Parathyroid Hormone Regulation
- Parathyroid Tumor Surgery
- Parathyroid Ultrasound
- Pcos Treatment
- Perimenopause Nutrition Counseling
- Personalized Meal Planning
- Pheochromocytoma Treatment
- Physical Activity Counseling
- Pioglitazone Therapy
- Pituitary Apoplexy Treatment
- Pituitary Biopsy
- Pituitary Cancer Treatment
- Pituitary Disorder Treatment
- Pituitary Disorders Nutrition Counseling
- Pituitary Gland Surgery
- Pituitary Medication Management
- Pituitary Surgery
- Pituitary Tumor Embolization
- Pituitary Tumor Surgery
- Pituitary Tumor Treatment
- Polycystic Ovary Syndrome (PCOS) Treatment
- Post-Operative Nutrition Counseling
- Pre- And Post-Bariatric Surgery Nutrition Counseling
- Pre- And Post-Chemotherapy Nutrition Counseling
- Prediabetes Management
- Pregnancy Nutrition Counseling
- Prenatal Substance Abuse Screening
- Primary Hyperparathyroidism Treatment
- Probiotic Therapy
- Prolactinoma Treatment
- Psoriasis Nutrition Counseling
- Resting Metabolic Rate (RMR) Testing
- Secondary Hyperparathyroidism Treatment
- Sports Nutrition Counseling
- Sports Performance Nutrition Counseling
- Strength Training Nutrition Counseling
- Stress Management For Diabetes
- Surgical Recovery Nutrition Counseling
- Tertiary Hyperparathyroidism Treatment
- Testicular Ultrasound
- Thyroid Acropachy Treatment
- Thyroid Biopsy
- Thyroid Cancer Chemotherapy
- Thyroid Cancer Lymph Node Dissection
- Thyroid Cancer Treatment
- Thyroid Crisis Treatment
- Thyroid Dermopathy Treatment
- Thyroid Disease Management
- Thyroid Disease Treatment
- Thyroid Health Nutrition Counseling
- Thyroid Lymphoma Treatment
- Thyroid Medication Management
- Thyroid Metastasis Treatment
- Thyroid Nodule Treatment
- Thyroid Storm Surgery
- Thyroid Storm Treatment
- Thyroidectomy
- Total Parenteral Nutrition
- Vitamin And Mineral Deficiency Treatment
- Vitamin Deficiency Treatment
- Weight Management For Healthy Weight
- Weight Measurement
- Yoga Coaching
Practice locations
Distance from Change Location Enter your Location
7106 Ridge Rd
Bldg B
Baltimore, MD, 21237
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
- CareFirst FEP Blue Focus
- United Healthcare Choice Plus Cardiac Global
- CareFirst Blue Choice Opt Out Open Access
- CIGNA HMO & Network (HMO)
- Johns Hopkins Advantage MD PPO
- Geisinger Medicare Advantage
- Aetna Classic 5000
- Healthy Blue (HMO, POS)
- HealthyBlue PPO
- Cigna True Choice Plus Medicare (PPO)
- Magellan Complete Care of VA - VA Medicaid MCO
- Kaiser Permanente Medicare Plus
- Network OA
- Kaiser Maryland Medicaid MCO
- Kaiser Permanente Flexible Choice 3-tier POS
- Kaiser Permanente HMO Plus and DHMO Plus Member
- IH-Network Only Plus
- Aetna Open Choice (PPO)
- Anthem BCBS Medi Blue Plus
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- CareFirst MedStar Select PPO
- Kaiser Permanente Select Cardiac Global
- Uniformed Services Family Health Plan
- Aetna Managed Choice Open Access (POS)
- Kaiser Permanente Select - Added Choice
- Veterans Affairs Community Care Network
- CIGNA Indemnity
- Mamsi Life & Health (Indem./PPO)
- POS OA
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- OA Plus
- CIGNA SureFit (HMO)
- Aetna Classic 3500
- UnitedHealthcare Individual Exchange Plans
- CareFirst Group Medicare Advantage
- Choice Care Network/HUMANA (PPO)
- Sentara Health
- United Healthcare Navigate Cardiac Global
- Choice POS
- MedStar Family Choice DC Healthcare Alliance
- Aetna Managed Choice (POS)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Anthem BCBS Medi Blue Dual Adv
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- MedStar Family Choice DC Healthy Families
- M.D. IPA Preferred (POS)
- TriWest Healthcare Alliance
- Aetna Medicare Advantage PFFS Plan
- Humana Medicare Advantage - HMO Open Access
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst EPO
- HumanaChoice PPO
- CareFirst MedStar PPO
- United HealthCare Community Plan - Maryland Health Choice Program
- Aetna Basic
- Humana Gold Plus HMO
- Aetna Better Health of VA
- United Healthcare Select HMO - EPO/NPP
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Lasso Healthcare - Medicare Medical Savings Account
- IH-Indemnity
- CareFirst NASCO
- M.D. IPA (HMO)
- Navigate
- Aetna Student Health Insurance
- Tricare Reserve Select
- IH-PPO
- Cigna TotalCare (HMO D-SNP)
- Medicare Advantage - Advantra Value (PPO)
- CIGNA POS/Network POS
- Johns Hopkins Advantage MD HMO
- Kaiser Permanente Signature
- CareFirst Administrators
- Optimum Choice Preferred (POS)
- Police and Fire Clinic
- IH-POS Plus
- Great-West Healthcare POS/CIGNA
- IH-HMO
- Coventry of Delaware HMO/PPO
- United Student Resources
- Options PPO Cardiac Global
- CareFirst BlueChoice HMO
- Jai Medical Systems - Maryland Health Choice
- United Healthcare Choice Plus
- NYC Medicare Advantage Plus
- Aetna HMO
- Anthem Federal Employee Program Standard
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Aetna Traditional Choice (PPO)
- UnitedHealthcare Medicare Adv. Special Needs Plans
- UHC Passport
- United Medicare Private Fee-for-Service (PFFS) plans
- Aetna VA Exchange
- Medicare Direct
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Aetna Medicare Advantage HMO & PPO Plans
- United Healthcare Choice Cardiac Global
- AMERIVANTAGE/Amerigroup Community Care
- Employee Health Plan
- Select HMO/HealthFund/Health Network
- IH-Open POS II
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Priority Partners - Maryland Health Choice
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Choice Fund PPO
- United Healthcare Choice
- Aetna Signature Administrator PPO/TPA
- Aetna Worker's Compensation Network
- OCI Direct (HMO)
- BlueChoice Open Access
- Blue Choice Advantage
- Cigna Alliance Medicare (HMO)
- Erickson Advantage Plans
- CareFirst Blue Card Program
- Private Fee-for-Service Plans (PFFS)
- Johns Hopkins Advantage MD PLUS PPO
- Kaiser Permanente Select
- United Healthcare Community Plan - VA Medicaid MCO
- Aetna Premier 200PD
- DC/MD SHOP QHP Small Business Plans
- IH-EPO Plus
- TRICARE East Select
- Kaiser Permanente Medicare Advantage Signature and Select
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Aetna Elect Choice/ Open Access (POS)
- IH-POS
- Cigna True Choice Medicare (PPO)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- IH-Open Network Only Plus
- Aetna Better Health of MD
- Amerigroup DC Alliance
- HighMark
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- IH-Open HMO
- CIGNA HMO Open Access
- Cigna Preferred Medicare (HMO)
- Kaiser Permanente Signature - Added Choice
- Core Essential (HMO)
- IH-Open POS Plus
- Beech Street PPO
- Health Services for Children with Special Needs
- Aetna Advantage 5750
- Aetna Classic 5000PD
- Aetna Quality Point of Service (POS)
- CareFirst Community Health Plan of MD
- First Health PPO
- Anthem BCBS Medi Blue SNP
- Cigna Achieve Medicare (HMO C-SNP)
- Amerigroup DC Healthy Families
- Anthem BCBS of VA HealthKeepers Plus
- IH-Open HMO Option
- IH-Open EPO Plus
- CareFirst (NCA) Indemnity
- CIGNA Connect EPO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Aetna Advantage 6350
- TRICARE East Prime
- Alterwood Advanatge HMO & DSNP Plans
- CareFirst Maryland Indemnity or PPO
- Maryland Physicians Care MCO
- United Healthcare Options (PPO)
- MedStar Family Choice - Maryland Health Choice
- MultiPlan, Inc
- AmeriHealth Caritas DC Healthcare Alliance
- Coventry Health Care of Virginia
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- CareFirst Dual Prime HMO-SNP
- CIGNA PPO
- Private Health Care Systems (PPO)
- First Health PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- CareFirst Maryland Point of Service Plan
- Medicare FFS
- Aetna Advantage 6350PD
- Choice POS II Open Access
- Coventry Health Care National Network PPO
- TRICARE for Life East
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- UnitedHealthcare and AARP Medicare Complete Plans
- Choice POS II
- Anthem Federal Employee Program Basic
- CareFirst Blue Preferred PPO
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Advantra Platinum (PPO)
- Optima Family Care MCO - VA Medicaid MCO
- AmeriHealth Caritas DC Healthy Families
- CIGNA EPO
- CIGNA PPO Plus
- Humana Medicare Advantage - PPO
- Optimum Choice
- WellPoint Maryland - Maryland Health Choice
- HumanaChoice Honor's plan PPO
- United Healthcare Select Plus (POS)
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Board Certification: American Board of Internal Medicine, Endocrinology
Fellowship: MedStar Union Memorial Hospital at Baltimore (2024)
Residency: Hackensack University Medical Center-GME (2019)
Medical School: Instituto Tecnologico de Santo Domingo (2013)