Sergio A Lizama-Hernandez, MD| Endocrinology Diabetes and Metabolism, Endocrinology | MedStar Health
Clinical areas of focus
- Diabetes Mellitus Type 2
- Hyperthyroidism
- Osteoporosis
- Parathyroid Disorders
- Pituitary Disorders
- Thyroid Cancer
- Thyroid Nodules
Conditions and procedures
Conditions I treat
- Acromegaly
- Adrenal Crisis
- Adrenal Mass
- Adrenal Tumor
- Adrenogenital Disorders
- Adult Osteomalacia
- Benign Thyroid Nodules
- Bone Disorders
- Breast Disorders
- Congenital Adrenal Hyperplasia
- Cushing Syndrome
- 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 Thyroid
- Drug Or Chemical Induced Diabetes Mellitus
- Endocrine Disorders
- Endocrine Hypertension
- Gestational Diabetes
- 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
- Malignant Neoplasm Of Endocrine Glands
- Malnutrition
- Metabolic Syndrome
- Multiple Endocrine Neoplasia
- Musculoskeletal System Complications
- Nontoxic Goiter
- Obesity
- Osteochondropathies
- Osteopenia
- Osteoporosis
- Ovarian Cysts
- Ovarian Dysfunction
- Parathyroid Adenoma
- Parathyroid Cancer
- Parathyroid Disorders
- Personal History Of Medical Treatment
- Pituitary Adenoma
- Pituitary Apoplexy
- Pituitary Cancer
- Pituitary Disorders
- Polycystic Ovary Syndrome
- Polyglandular Dysfunction
- Postmenopausal Osteoporosis
- Prediabetes
- Presence Of Functional Implants
- Primary Hyperparathyroidism
- Proteinuria
- Sex Chromosome Abnormalities, Male Phenotype
- Testicular Dysfunction
- Thyroid Cancer
- Thyroid Nodules
- Thyroid Storm
- Toxic Goiter
- Turner Syndrome
- Type 2 Diabetes
- Type 2 Diabetes In Children
- Type 2 Diabetes Mellitus
- Weight Loss
Procedures I perform
- Acromegaly Treatment
- Adrenal Cancer Treatment
- Adrenal Crisis Treatment
- Adrenal Disease Treatment
- Adrenal Disorder Treatment
- Adrenal Gland Cancer Management
- Adrenal Hormone Regulation
- Adrenal Insufficiency Treatment
- Adrenal Surgery
- Aldosteronoma Management
- Automated Insulin Delivery
- Bariatric Nutrition Counseling
- Bariatric Surgery Counseling
- Bariatric Surgery Nutrition Counseling
- Behavioral Health Nutrition Counseling
- Binge Eating Disorder Treatment
- Blood Glucose Correction For High Readings
- Blood Pressure Goal Setting
- Blood Pressure Monitoring
- Carbohydrate Counting For Meal Planning
- Cardiovascular Disease Prevention
- Cardiovascular Health Nutrition Counseling
- Chronic Fatigue Syndrome Nutrition Counseling
- Coronary Artery Disease Nutrition Counseling
- Cushing Syndrome Treatment
- Cushing's Syndrome Treatment
- Cystic Fibrosis Nutrition Counseling
- Depression Nutrition Counseling
- Diabetes Self-Efficacy Assessment
- Diabetes Self-Management
- 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
- Electrolyte Management
- Endocrine Disorder Treatment
- Endocrine Disorders Treatment
- Endocrine Tumor Treatment
- Endometriosis Nutrition Counseling
- End-Stage Renal Disease Nutrition Counseling
- Endurance Sports Nutrition
- Endurance Sports Nutrition Counseling
- Epigenetic Nutrition Counseling
- Familial Medullary Thyroid Carcinoma (FMTC) Treatment
- Flexibility And Mobility Nutrition Counseling
- Fluid And Electrolyte Management
- Geriatric Nutrition Counseling
- Geriatric Wound Care Nutrition Counseling
- Gestational Diabetes Management
- Gland Disorder Treatment
- Gland Dysfunction Treatment
- Glaucoma Nutrition Counseling
- Glucometer Use
- Goiter Treatment
- Grave's Disease Treatment
- Grave's Orbitopathy Treatment
- Gut Health Nutrition Counseling
- Hashimoto's Thyroiditis Treatment
- Heart Disease Prevention
- 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 Treatment
- Insulin Dose Titration
- Insulin Pen Training
- Insulin Resistance Nutrition Counseling
- Insulin Resistance Treatment
- Insulin Syringe Use
- Ketogenic Diet Planning
- Lifestyle Modification
- Meal Planning
- Menopause Nutrition Counseling
- Mind-Body Nutrition Counseling
- Mineral Deficiency Treatment
- Motivational Interviewing
- Multiple Endocrine Neoplasia (MEN) Testing
- Neuroendocrine Disorder Treatment
- Neuroendocrine Tumor Treatment
- Nutrient Deficiency Screening
- Obesity Treatment
- Osteoporosis Nutrition Counseling
- Paraganglioma Treatment
- Parathyroid Biopsy
- Parathyroid Cancer Treatment
- Parathyroid Disease Treatment
- Parathyroid Disorder Treatment
- Parathyroid Hormone Regulation
- Parathyroid Ultrasound
- Perimenopause Nutrition Counseling
- Personalized Meal Planning
- Pheochromocytoma Treatment
- Physical Activity Counseling
- 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
- Pregnancy Nutrition Counseling
- Pressure Ulcer Nutrition Counseling
- Primary Hyperparathyroidism Treatment
- Probiotic Therapy
- Prolactinoma Treatment
- Psoriasis Nutrition Counseling
- Relapse Prevention
- Resting Metabolic Rate (RMR) Testing
- Secondary Hyperparathyroidism Treatment
- Sports Nutrition Counseling
- Sports Performance Nutrition Counseling
- Strength Training Nutrition Counseling
- Stress Management For Diabetes
- Stroke Nutrition Counseling
- Surgical Recovery Nutrition Counseling
- Tertiary Hyperparathyroidism Treatment
- Thyroid Acropachy Treatment
- Thyroid Biopsy
- Thyroid Cancer Ablation
- 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 Treatment
- Thyroidectomy
- Vision Loss Prevention
- Vitamin And Mineral Deficiency Treatment
- Vitamin Deficiency Treatment
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
- Core Essential (HMO)
- IH-EPO Plus
- CIGNA PPO Plus
- Kaiser Permanente Medicare Plus
- United Student Resources
- TRICARE East Prime
- Employee Health Plan
- United Healthcare Select HMO - EPO/NPP
- CareFirst Group Medicare Advantage
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Cigna TotalCare (HMO D-SNP)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Uniformed Services Family Health Plan
- UnitedHealthcare and AARP Medicare Complete Plans
- BlueChoice Open Access
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Aetna Better Health of VA
- Aetna Student Health Insurance
- AmeriHealth Caritas DC Healthcare Alliance
- Jai Medical Systems - Maryland Health Choice
- Veterans Affairs Community Care Network
- IH-POS Plus
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- CareFirst Community Health Plan of MD
- Cigna True Choice Medicare (PPO)
- Medicare FFS
- AmeriHealth Caritas DC Healthy Families
- TriWest Healthcare Alliance
- UHC Passport
- Aetna Advantage 5750
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- HumanaChoice PPO
- Amerigroup DC Alliance
- DC/MD SHOP QHP Small Business Plans
- Humana Gold Plus HMO
- Anthem Federal Employee Program Standard
- Private Fee-for-Service Plans (PFFS)
- MedStar Family Choice DC Healthcare Alliance
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Anthem Federal Employee Program Basic
- Lasso Healthcare - Medicare Medical Savings Account
- Great-West Healthcare POS/CIGNA
- CareFirst Dual Prime HMO-SNP
- OA Plus
- TRICARE East Select
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- CareFirst EPO
- Cigna Achieve Medicare (HMO C-SNP)
- Kaiser Maryland Medicaid MCO
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Kaiser Permanente Medicare Advantage Signature and Select
- Choice Care Network/HUMANA (PPO)
- IH-HMO
- Aetna Managed Choice Open Access (POS)
- Aetna Open Choice (PPO)
- Aetna Quality Point of Service (POS)
- Kaiser Permanente Flexible Choice POS Cardiac Global
- CareFirst (NCA) Indemnity
- Aetna Medicare Advantage PFFS Plan
- Aetna Worker's Compensation Network
- CIGNA PPO
- Mamsi Life & Health (Indem./PPO)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Choice Fund PPO
- Aetna Better Health of MD
- IH-Open POS Plus
- IH-Open EPO Plus
- IH-PPO
- Johns Hopkins Advantage MD PLUS PPO
- IH-Open HMO
- CIGNA EPO
- Kaiser Permanente Flexible Choice 3-tier POS
- Aetna Medicare Advantage HMO & PPO Plans
- Aetna VA Exchange
- Coventry Health Care of Virginia
- TRICARE for Life East
- CIGNA SureFit (HMO)
- United HealthCare Community Plan - Maryland Health Choice Program
- Anthem BCBS Medi Blue Plus
- First Health PPO
- HealthyBlue PPO
- Select HMO/HealthFund/Health Network
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Premier 200PD
- Anthem BCBS Medi Blue Dual Adv
- Navigate
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- IH-POS
- United Medicare Private Fee-for-Service (PFFS) plans
- Medicare Advantage - Advantra Value (PPO)
- Humana Medicare Advantage - HMO Open Access
- CareFirst Maryland Point of Service Plan
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Tricare Reserve Select
- Aetna Advantage 6350
- M.D. IPA (HMO)
- MedStar Family Choice - Maryland Health Choice
- First Health PPO
- IH-Indemnity
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Medicare Direct
- Aetna Elect Choice/ Open Access (POS)
- Anthem BCBS of VA HealthKeepers Plus
- CIGNA HMO & Network (HMO)
- Cigna True Choice Plus Medicare (PPO)
- Aetna Classic 5000PD
- Geisinger Medicare Advantage
- United Healthcare Navigate Cardiac Global
- AMERIVANTAGE/Amerigroup Community Care
- POS OA
- OCI Direct (HMO)
- Options PPO Cardiac Global
- Coventry Health Care National Network PPO
- IH-Open POS II
- CIGNA HMO Open Access
- Aetna Traditional Choice (PPO)
- Police and Fire Clinic
- HighMark
- HumanaChoice Honor's plan PPO
- Aetna HMO
- Network OA
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Sentara Health
- IH-Network Only Plus
- United Healthcare Community Plan - VA Medicaid MCO
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Cigna Preferred Medicare (HMO)
- Alterwood Advanatge HMO & DSNP Plans
- Private Health Care Systems (PPO)
- Amerigroup DC Healthy Families
- CIGNA Indemnity
- Kaiser Permanente Signature
- United Healthcare Choice Plus
- Aetna Advantage 6350PD
- CareFirst Blue Card Program
- CareFirst Administrators
- Erickson Advantage Plans
- Kaiser Permanente Select - Added Choice
- Healthy Blue (HMO, POS)
- CIGNA Connect EPO
- CareFirst Maryland Indemnity or PPO
- Beech Street PPO
- Kaiser Permanente Select Cardiac Global
- IH-Open HMO Option
- Maryland Physicians Care MCO
- Aetna Classic 5000
- CareFirst BlueChoice HMO
- Aetna Signature Administrator PPO/TPA
- Health Services for Children with Special Needs
- Priority Partners - Maryland Health Choice
- CareFirst NASCO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- CareFirst FEP Blue Focus
- Johns Hopkins Advantage MD PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Optimum Choice
- IH-Open Network Only Plus
- CareFirst Blue Preferred PPO
- CIGNA POS/Network POS
- Choice POS II Open Access
- UnitedHealthcare Individual Exchange Plans
- NYC Medicare Advantage Plus
- M.D. IPA Preferred (POS)
- Aetna Classic 3500
- Choice POS
- MedStar Family Choice DC Healthy Families
- Cigna Alliance Medicare (HMO)
- United Healthcare Options (PPO)
- Johns Hopkins Advantage MD HMO
- Kaiser Permanente Select
- United Healthcare Choice Cardiac Global
- United Healthcare Choice Plus Cardiac Global
- CareFirst Blue Choice Opt Out Open Access
- Kaiser Permanente Signature - Added Choice
- Anthem BCBS of VA HealthKeepers (HMO)
- Blue Choice Advantage
- Magellan Complete Care of VA - VA Medicaid MCO
- Choice POS II
- United Healthcare Choice
- Aetna Basic
- Coventry of Delaware HMO/PPO
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Optimum Choice Preferred (POS)
- Anthem BCBS Medi Blue SNP
- CareFirst MedStar Select PPO
- CareFirst MedStar PPO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Advantra Platinum (PPO)
- WellPoint Maryland - Maryland Health Choice
- Humana Medicare Advantage - PPO
- MultiPlan, Inc
- Aetna Managed Choice (POS)
- United Healthcare Select Plus (POS)
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Fellowship: University of Maryland Medical Center (2020)
Residency: St. Agnes Healthcare-GME (2018)
Medical School: Universidad Del Mayab (2011)