Maureen Donnelly Passaro, MD| Endocrinology Diabetes and Metabolism, Endocrinology | MedStar Health
About me
Dr. Passaro's practice philosophy is to provide comprehensive care in a caring and efficient manner. She resides in Montgomery County with her husband and three children.
Dr. Passaro was recognized by Washingtonian magazine as a Top Doctor.
Dr. Passaro sees patients at:
18109 Prince Philip Dr
Suite B200
Olney, MD 20832
301-774-4529
Clinical areas of focus
- Diabetes Screening
- Hormone Replacement Therapy
- Hyperthyroidism Treatment
- Hypothyroidism Treatment
- Osteoporosis Risk Assessment
- Pioglitazone Therapy
- Subclinical Hypothyroidism
- Type 2 Diabetes Mellitus
Conditions and procedures
Conditions I treat
- Acromegaly
- Adrenal Crisis
- Adrenal Gland Disorder
- Adrenal Gland Disorders (E.G. CUSHING'S SYNDROME, PHEOCHROMOCYTOMA)
- Adrenal Tumor
- Benign Thyroid Nodules
- Bone Density Disorder
- Cardiometabolic Disorders
- Cushing Syndrome
- Diabetes In Pregnancy
- Diabetes Insipidus
- Diabetes Mellitus Due To Underlying Condition
- Disorders Of Lipoprotein Metabolism And Lipidemias
- Disorders Of Mineral Metabolism
- Disorders Of Pancreatic Internal Secretion
- Disorders Of Pituitary Gland
- Disorders Of Thyroid
- Gallbladder Disease
- Gastrinoma
- Grave's Disease
- Hashimoto Thyroiditis
- High Cholesterol
- Hirsutism
- Hyperaldosteronism
- Hyperfunction Of Pituitary Gland
- Hyperprolactinemia
- Hyperthyroidism
- Hypoglycemia
- Hypoparathyroidism
- Insulin Resistance
- Long Term Drug Therapy
- Male Hypogonadism
- Malignant Neoplasm Of Endocrine Glands
- Multiple Endocrine Neoplasia
- Nontoxic Goiter
- Obesity
- Ovarian Dysfunction
- Polycystic Ovary Syndrome
- Postprocedural Complications
- Prediabetes
- Subclinical Hypothyroidism
- Thyroid Cancer
- Thyrotoxic Crisis
- Turner Syndrome
- Type 2 Diabetes Mellitus
- Vitamin Deficiency
Procedures I perform
- Acromegaly Treatment
- Adrenal Gland Surgery
- Adrenal Insufficiency Treatment
- Aldosteronoma Treatment
- Celiac Plexus Block
- Continuous Glucose Monitoring System
- Cushing's Syndrome Treatment
- Dexamethasone Suppression Test
- Diabetes Prevention
- Diabetes Screening
- Dopamine Therapy
- Enterectomy
- Familial Hypocalciuric Hypercalcemia (FHH) Treatment
- Fine-Needle Aspiration Of Thyroid Nodule
- Glucose Control Management
- Goiter Treatment
- Grave's Disease Treatment
- Growth Hormone Follow-Up
- Hashimoto's Thyroiditis Treatment
- Homocysteine Lowering Therapy
- Hormone Replacement Therapy
- Hormone Therapy For Pituitary Disorders
- Hypercalcemia Treatment
- Hyperglycemic Hyperosmolar State Treatment
- Hyperparathyroidism-Jaw Tumor Syndrome Treatment
- Hyperthyroidism Treatment
- Hypothyroidism Treatment
- Insulin Resistance Treatment
- Kidney Disease Treatment
- Lipid Disorder Treatment
- Multiple Endocrine Neoplasia (MEN) Testing
- One-On-One Diabetes Education
- Osteoporosis Prevention Treatment
- Osteoporosis Risk Assessment
- Parathyroid Tumor Surgery
- Pheochromocytoma Treatment
- Pioglitazone Therapy
- Pituitary Apoplexy Treatment
- Pituitary Hormone Deficiency Treatment
- Pituitary Tumor Treatment
- Polycystic Ovary Syndrome (PCOS) Treatment
- Prediabetes Management
- Purine Nucleoside Phosphorylase Deficiency Treatment
- Testicular Ultrasound
- Thyroid Cancer Treatment
- Thyroid Cyst Treatment
- Thyroid Nodule Treatment
- Thyroid Storm Surgery
- Thyroidectomy
- Thyroiditis Treatment
- 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
- Aetna Medicare Advantage PFFS Plan
- HumanaChoice PPO
- Kaiser Permanente Select
- Navigate
- Amerigroup DC Healthy Families
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- United HealthCare Community Plan - Maryland Health Choice Program
- Aetna Medicare Advantage HMO & PPO Plans
- Anthem Federal Employee Program Basic
- Geisinger Medicare Advantage
- Aetna Classic 3500
- Anthem Federal Employee Program Standard
- CareFirst NASCO
- Aetna Advantage 6350PD
- IH-Open EPO Plus
- HealthyBlue PPO
- Kaiser Permanente Select Cardiac Global
- Police and Fire Clinic
- Medicare Direct
- TriWest Healthcare Alliance
- CareFirst Community Health Plan of MD
- IH-EPO Plus
- OA Plus
- First Health PPO
- HumanaChoice Honor's plan PPO
- Kaiser Permanente Flexible Choice 3-tier POS
- IH-Network Only Plus
- Choice POS II
- IH-PPO
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Maryland Physicians Care MCO
- Anthem BCBS Medi Blue Plus
- Kaiser Maryland Medicaid MCO
- UnitedHealthcare and AARP Medicare Complete Plans
- CareFirst BlueChoice HMO
- POS OA
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Quality Point of Service (POS)
- United Healthcare Choice
- M.D. IPA Preferred (POS)
- MedStar Family Choice DC Healthy Families
- United Healthcare Options (PPO)
- AmeriHealth Caritas DC Healthy Families
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Uniformed Services Family Health Plan
- CIGNA POS/Network POS
- Cigna Achieve Medicare (HMO C-SNP)
- Priority Partners - Maryland Health Choice
- United Healthcare Community Plan - VA Medicaid MCO
- Aetna Student Health Insurance
- Blue Choice Advantage
- Kaiser Permanente Signature
- AmeriHealth Caritas DC Healthcare Alliance
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- United Healthcare Navigate Cardiac Global
- Cigna True Choice Medicare (PPO)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- CareFirst Dual Prime HMO-SNP
- Choice Care Network/HUMANA (PPO)
- Cigna Preferred Medicare (HMO)
- Aetna Basic
- IH-HMO
- Aetna Elect Choice/ Open Access (POS)
- CareFirst Group Medicare Advantage
- Medicare FFS
- CareFirst MedStar Select PPO
- Erickson Advantage Plans
- United Student Resources
- IH-Open HMO
- Aetna HMO
- UnitedHealthcare Individual Exchange Plans
- Great-West Healthcare POS/CIGNA
- Choice Fund PPO
- Aetna Classic 5000PD
- CareFirst (NCA) Indemnity
- MultiPlan, Inc
- Anthem BCBS of VA HealthKeepers Plus
- Optimum Choice Preferred (POS)
- TRICARE for Life East
- Anthem BCBS Medi Blue SNP
- United Medicare Private Fee-for-Service (PFFS) plans
- Aetna Managed Choice (POS)
- CIGNA PPO
- United Healthcare Choice Plus
- Alterwood Advanatge HMO & DSNP Plans
- United Healthcare Select HMO - EPO/NPP
- TRICARE East Select
- CareFirst Administrators
- DC/MD SHOP QHP Small Business Plans
- Anthem BCBS of VA HealthKeepers (HMO)
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Veterans Affairs Community Care Network
- NYC Medicare Advantage Plus
- Magellan Complete Care of VA - VA Medicaid MCO
- Core Essential (HMO)
- CIGNA SureFit (HMO)
- CIGNA EPO
- Aetna Premier 200PD
- Sentara Health
- Aetna Better Health of VA
- TRICARE East Prime
- Kaiser Permanente Signature - Added Choice
- CIGNA HMO Open Access
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- CareFirst EPO
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Tricare Reserve Select
- M.D. IPA (HMO)
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Traditional Choice (PPO)
- Optima Family Care MCO - VA Medicaid MCO
- Cigna Alliance Medicare (HMO)
- Johns Hopkins Advantage MD PLUS PPO
- CareFirst MedStar PPO
- Employee Health Plan
- Medicare Advantage - Advantra Value (PPO)
- MedStar Family Choice DC Healthcare Alliance
- Mamsi Life & Health (Indem./PPO)
- United Healthcare Choice Plus Cardiac Global
- Aetna VA Exchange
- Aetna Managed Choice Open Access (POS)
- IH-Open POS II
- Aetna Signature Administrator PPO/TPA
- IH-POS
- BlueChoice Open Access
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- UHC Passport
- Choice POS II Open Access
- CareFirst FEP Blue Focus
- CIGNA Connect EPO
- CIGNA PPO Plus
- United Healthcare Select Plus (POS)
- Private Fee-for-Service Plans (PFFS)
- Coventry Health Care National Network PPO
- United Healthcare Choice Cardiac Global
- AMERIVANTAGE/Amerigroup Community Care
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- IH-Open HMO Option
- Aetna Better Health of MD
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Beech Street PPO
- CIGNA HMO & Network (HMO)
- Jai Medical Systems - Maryland Health Choice
- IH-POS Plus
- CareFirst Maryland Indemnity or PPO
- HighMark
- Optimum Choice
- IH-Open POS Plus
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Anthem BCBS Medi Blue Dual Adv
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Network OA
- Cigna True Choice Plus Medicare (PPO)
- Aetna Advantage 5750
- Advantra Platinum (PPO)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Johns Hopkins Advantage MD PPO
- WellPoint Maryland - Maryland Health Choice
- Cigna TotalCare (HMO D-SNP)
- Humana Gold Plus HMO
- Kaiser Permanente Select - Added Choice
- Johns Hopkins Advantage MD HMO
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- IH-Indemnity
- CareFirst Blue Choice Opt Out Open Access
- Coventry of Delaware HMO/PPO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- MedStar Family Choice - Maryland Health Choice
- Private Health Care Systems (PPO)
- IH-Open Network Only Plus
- Aetna Open Choice (PPO)
- Amerigroup DC Alliance
- Healthy Blue (HMO, POS)
- CareFirst Blue Preferred PPO
- Choice POS
- Kaiser Permanente Medicare Advantage Signature and Select
- Aetna Classic 5000
- Humana Medicare Advantage - PPO
- Aetna Worker's Compensation Network
- CIGNA Indemnity
- OCI Direct (HMO)
- Options PPO Cardiac Global
- Coventry Health Care of Virginia
- Aetna Advantage 6350
- Select HMO/HealthFund/Health Network
- CareFirst Maryland Point of Service Plan
- Health Services for Children with Special Needs
- Kaiser Permanente Medicare Plus
- CareFirst Blue Card Program
- First Health PPO
- Humana Medicare Advantage - HMO Open Access
Education
Board Certification: American Board of Internal Medicine, Endocrinology, Diabetes and Metabolism
Board Certification: American Board of Internal Medicine, Internal Medicine
Residency: National Institutes of Health (1996)
Residency: Stamford Hospital (1993)
Medical School: New York Medical College (1990)