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
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
Practice locations
Distance from Change Location Enter your Location
18109 Prince Philip Dr
Ste B-200
Olney, MD, 20832
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
- Humana Medicare Advantage - HMO Open Access
- IH-Open HMO Option
- Aetna Worker's Compensation Network
- TRICARE East Prime
- Aetna Classic 3500
- Aetna Classic 5000
- NYC Medicare Advantage Plus
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Advantra Platinum (PPO)
- Options PPO Cardiac Global
- CIGNA PPO Plus
- First Health PPO
- TRICARE for Life East
- Healthy Blue (HMO, POS)
- CareFirst Maryland Point of Service Plan
- Aetna Managed Choice (POS)
- TRICARE East Select
- Humana Gold Plus HMO
- M.D. IPA Preferred (POS)
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- CIGNA Indemnity
- IH-Open POS II
- CIGNA HMO & Network (HMO)
- IH-EPO Plus
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Aetna Student Health Insurance
- Kaiser Permanente Select - Added Choice
- Geisinger Medicare Advantage
- Tricare Reserve Select
- M.D. IPA (HMO)
- OCI Direct (HMO)
- Amerigroup DC Healthy Families
- IH-POS Plus
- CareFirst NASCO
- MultiPlan, Inc
- United Student Resources
- Medicare Advantage - Advantra Value (PPO)
- Choice Fund PPO
- Coventry Health Care of Virginia
- Network OA
- Kaiser Permanente Flexible Choice 3-tier POS
- CareFirst Blue Choice Opt Out Open Access
- Optimum Choice
- United Medicare Private Fee-for-Service (PFFS) plans
- Kaiser Permanente Signature - Added Choice
- United Healthcare Options (PPO)
- Private Fee-for-Service Plans (PFFS)
- Johns Hopkins Advantage MD PPO
- Aetna VA Exchange
- IH-Open EPO Plus
- Aetna Medicare Advantage HMO & PPO Plans
- Medicare Direct
- HealthyBlue PPO
- Select HMO/HealthFund/Health Network
- Aetna Better Health of MD
- Cigna Achieve Medicare (HMO C-SNP)
- Police and Fire Clinic
- CareFirst FEP Blue Focus
- United Healthcare Choice
- CIGNA POS/Network POS
- Veterans Affairs Community Care Network
- Cigna True Choice Plus Medicare (PPO)
- Aetna Premier 200PD
- Blue Choice Advantage
- CareFirst Community Health Plan of MD
- Aetna Elect Choice/ Open Access (POS)
- Anthem BCBS Medi Blue SNP
- Choice Care Network/HUMANA (PPO)
- Medicare FFS
- Alterwood Advanatge HMO & DSNP Plans
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- First Health PPO
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Uniformed Services Family Health Plan
- CIGNA Connect EPO
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Amerigroup DC Alliance
- Anthem Federal Employee Program Standard
- Anthem BCBS of VA HealthKeepers Plus
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Health Services for Children with Special Needs
- MedStar Family Choice DC Healthy Families
- Magellan Complete Care of VA - VA Medicaid MCO
- Aetna Basic
- DC/MD SHOP QHP Small Business Plans
- AmeriHealth Caritas DC Healthy Families
- Johns Hopkins Advantage MD PLUS PPO
- IH-Open POS Plus
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- UnitedHealthcare Individual Exchange Plans
- IH-Open HMO
- Aetna Managed Choice Open Access (POS)
- TriWest Healthcare Alliance
- IH-HMO
- CareFirst BlueChoice HMO
- Anthem BCBS of VA HealthKeepers (HMO)
- Johns Hopkins Advantage MD HMO
- IH-POS
- Beech Street PPO
- HumanaChoice PPO
- Aetna Better Health of VA
- CareFirst EPO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Maryland Physicians Care MCO
- Optimum Choice Preferred (POS)
- United Healthcare Choice Plus
- Anthem BCBS Medi Blue Plus
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna HMO
- AmeriHealth Caritas DC Healthcare Alliance
- Aetna Advantage 6350PD
- AMERIVANTAGE/Amerigroup Community Care
- POS OA
- Aetna Advantage 5750
- IH-Open Network Only Plus
- Cigna TotalCare (HMO D-SNP)
- Anthem Federal Employee Program Basic
- Cigna True Choice Medicare (PPO)
- Coventry Health Care National Network PPO
- MedStar Family Choice - Maryland Health Choice
- Aetna Advantage 6350
- CareFirst Administrators
- UHC Passport
- Aetna Signature Administrator PPO/TPA
- Aetna Medicare Advantage PFFS Plan
- CareFirst Federal Employee Program (Std. & Basic PPO)
- United Healthcare Select Plus (POS)
- Private Health Care Systems (PPO)
- United Healthcare Choice Cardiac Global
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Kaiser Permanente Medicare Advantage Signature and Select
- Navigate
- Aetna Classic 5000PD
- CIGNA PPO
- United HealthCare Community Plan - Maryland Health Choice Program
- United Healthcare Select HMO - EPO/NPP
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Sentara Health
- Erickson Advantage Plans
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CareFirst (NCA) Indemnity
- Jai Medical Systems - Maryland Health Choice
- Kaiser Permanente Medicare Plus
- WellPoint Maryland - Maryland Health Choice
- CIGNA SureFit (HMO)
- IH-Network Only Plus
- Anthem BCBS Medi Blue Dual Adv
- Choice POS
- Choice POS II
- CareFirst Maryland Indemnity or PPO
- Cigna Preferred Medicare (HMO)
- UnitedHealthcare Medicare Adv. Special Needs Plans
- United Healthcare Navigate Cardiac Global
- CareFirst Blue Card Program
- CareFirst Dual Prime HMO-SNP
- United Healthcare Community Plan - VA Medicaid MCO
- Kaiser Permanente Select
- Employee Health Plan
- HighMark
- Aetna Quality Point of Service (POS)
- Aetna Open Choice (PPO)
- HumanaChoice Honor's plan PPO
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- CareFirst MedStar Select PPO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Kaiser Permanente Select Cardiac Global
- IH-Indemnity
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- OA Plus
- BlueChoice Open Access
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Humana Medicare Advantage - PPO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- CIGNA HMO Open Access
- Coventry of Delaware HMO/PPO
- Aetna Traditional Choice (PPO)
- CareFirst Blue Preferred PPO
- CareFirst Group Medicare Advantage
- Choice POS II Open Access
- CIGNA EPO
- Kaiser Maryland Medicaid MCO
- Optima Family Care MCO - VA Medicaid MCO
- CareFirst MedStar PPO
- Kaiser Permanente Signature
- MedStar Family Choice DC Healthcare Alliance
- IH-PPO
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Core Essential (HMO)
- United Healthcare Choice Plus Cardiac Global
- Great-West Healthcare POS/CIGNA
- Cigna Alliance Medicare (HMO)
- Mamsi Life & Health (Indem./PPO)
- UnitedHealthcare and AARP Medicare Complete Plans
- Priority Partners - Maryland Health Choice
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)