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