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
- Hyperparathyroidism
- Hyperthyroidism
- Hyperthyroidism Treatment
- Hypothyroidism Treatment
- Insulin Resistance
- Osteoporosis
- Osteoporosis Risk Assessment
- Pioglitazone Therapy
- Subclinical Hypothyroidism
- Type 2 Diabetes Mellitus
Conditions and procedures
Conditions I treat
- Abnormal Function Study Results
- Acromegaly
- Adrenal Crisis
- Adrenal Gland Disorder
- Adrenal Gland Disorders (E.G. CUSHING'S SYNDROME, PHEOCHROMOCYTOMA)
- Adrenal Tumor
- Adrenogenital Disorders
- Benign Thyroid Nodules
- Bone Density Disorder
- Bone Disorders
- Cardiometabolic Disorders
- Complications Of The Puerperium
- Cushing Syndrome
- Diabetes In Pregnancy
- Diabetes Insipidus
- Diabetes Mellitus Due To Underlying Condition
- Disorders Of Amino
- Disorders Of Lipoprotein Metabolism And Lipidemias
- Disorders Of Mineral Metabolism
- Disorders Of Pancreatic Internal Secretion
- Disorders Of Pituitary Gland
- Disorders Of Renal Tubular Function
- Disorders Of Thyroid
- Drug Or Chemical Induced Diabetes Mellitus
- Female Hypogonadism
- Gallbladder Disease
- Gastrinoma
- Grave's Disease
- Growth Hormone Deficiency
- Gynecomastia
- Hashimoto Thyroiditis
- High Cholesterol
- Hirsutism
- Hyperaldosteronism
- Hyperfunction Of Pituitary Gland
- Hyperparathyroidism
- Hyperprolactinemia
- Hyperthyroidism
- Hypoglycemia
- Hypoparathyroidism
- Insulin Resistance
- Klinefelter Syndrome
- Long Term Drug Therapy
- Male Hypogonadism
- Malignant Neoplasm Of Endocrine Glands
- Multiple Endocrine Neoplasia
- Multiple Myeloma Of The Spine
- Nonscarring Hair Loss
- Nontoxic Goiter
- Obesity
- Osteoporosis
- Ovarian Dysfunction
- Plasma Cell Neoplasms
- Polycystic Ovary Syndrome
- Postprocedural Complications
- Prediabetes
- Retinal Disease
- Subclinical Hypothyroidism
- Testicular Dysfunction
- 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
- Bone Density Testing
- Celiac Plexus Block
- Computerized Tomography (CT) Scan
- Continuous Glucose Monitoring System
- Cushing's Syndrome Treatment
- Dexamethasone Suppression Test
- Diabetes Prevention
- Diabetes Screening
- Diabetic Ketoacidosis Treatment
- 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 Deficiency Treatment
- Growth Hormone Follow-Up
- Growth Hormone Stimulation Test
- Gynecological Cancer Screening
- Hashimoto's Thyroiditis Treatment
- Health Promotion Counseling
- Homocysteine Lowering Therapy
- Hormone Replacement Therapy
- Hormone Therapy For Pituitary Disorders
- Hormone Therapy For Transgender Individuals
- Hypercalcemia Treatment
- Hyperglycemic Hyperosmolar State Treatment
- Hyperparathyroidism-Jaw Tumor Syndrome Treatment
- Hyperthyroidism Treatment
- Hypothyroidism Treatment
- Insulin Resistance Treatment
- Kidney Disease Treatment
- Lipid Disorder Treatment
- Magnetic Resonance Imaging (MRI)
- 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
- Pulsatile Tinnitus Treatment
- Purine Nucleoside Phosphorylase Deficiency Treatment
- Testicular Ultrasound
- Thyroid Biopsy
- Thyroid Cancer Treatment
- Thyroid Cyst Treatment
- Thyroid Nodule Treatment
- Thyroid Storm Surgery
- Thyroid Storm Treatment
- 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
- Choice POS II Open Access
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- CareFirst Administrators
- Network OA
- United Healthcare Navigate Cardiac Global
- United Healthcare Choice
- IH-Open HMO
- MedStar Family Choice DC Healthcare Alliance
- Coventry Health Care National Network PPO
- Kaiser Permanente Medicare Advantage Signature and Select
- Aetna Managed Choice (POS)
- Uniformed Services Family Health Plan
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Police and Fire Clinic
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Johns Hopkins Advantage MD HMO
- CareFirst EPO
- Cigna Alliance Medicare (HMO)
- Aetna Elect Choice/ Open Access (POS)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- AMERIVANTAGE/Amerigroup Community Care
- Humana Gold Plus HMO
- CIGNA EPO
- Aetna Better Health of MD
- IH-HMO
- Medicare Direct
- Geisinger Medicare Advantage
- TriWest Healthcare Alliance
- Aetna Quality Point of Service (POS)
- CareFirst Dual Prime HMO-SNP
- AmeriHealth Caritas DC Healthy Families
- Private Health Care Systems (PPO)
- Cigna True Choice Plus Medicare (PPO)
- CareFirst BlueChoice HMO
- Aetna Classic 5000
- Kaiser Maryland Medicaid MCO
- Aetna Classic 5000PD
- WellPoint Maryland - Maryland Health Choice
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- CareFirst Blue Choice Opt Out Open Access
- IH-POS
- CareFirst (NCA) Indemnity
- Private Fee-for-Service Plans (PFFS)
- TRICARE for Life East
- BlueChoice Open Access
- TRICARE East Select
- IH-POS Plus
- Aetna Premier 200PD
- Anthem BCBS of VA HealthKeepers Plus
- Anthem BCBS Medi Blue SNP
- Sentara Health
- CareFirst NASCO
- Kaiser Permanente Signature
- Optimum Choice Preferred (POS)
- Kaiser Permanente Signature - Added Choice
- Mamsi Life & Health (Indem./PPO)
- Coventry Health Care of Virginia
- First Health PPO
- IH-Open POS II
- TRICARE East Prime
- CIGNA SureFit (HMO)
- CIGNA HMO Open Access
- CareFirst Community Health Plan of MD
- Coventry of Delaware HMO/PPO
- Cigna True Choice Medicare (PPO)
- AmeriHealth Caritas DC Healthcare Alliance
- United HealthCare Community Plan - Maryland Health Choice Program
- Anthem Federal Employee Program Basic
- M.D. IPA Preferred (POS)
- Choice Fund PPO
- IH-Open POS Plus
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Employee Health Plan
- CareFirst Maryland Point of Service Plan
- Anthem BCBS of VA HealthKeepers (HMO)
- Aetna Better Health of VA
- Navigate
- Cigna Achieve Medicare (HMO C-SNP)
- United Healthcare Options (PPO)
- DC/MD SHOP QHP Small Business Plans
- Anthem Federal Employee Program Standard
- HealthyBlue PPO
- CareFirst MedStar PPO
- United Student Resources
- MedStar Family Choice - Maryland Health Choice
- United Healthcare Community Plan - VA Medicaid MCO
- Kaiser Permanente Select
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- MedStar Family Choice DC Healthy Families
- Aetna Managed Choice Open Access (POS)
- Aetna Advantage 5750
- United Healthcare Select HMO - EPO/NPP
- Beech Street PPO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Veterans Affairs Community Care Network
- First Health PPO
- OCI Direct (HMO)
- Aetna Open Choice (PPO)
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Priority Partners - Maryland Health Choice
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- United Healthcare Select Plus (POS)
- United Medicare Private Fee-for-Service (PFFS) plans
- UnitedHealthcare Individual Exchange Plans
- Medicare Advantage - Advantra Value (PPO)
- Johns Hopkins Advantage MD PLUS PPO
- Johns Hopkins Advantage MD PPO
- CIGNA HMO & Network (HMO)
- Cigna TotalCare (HMO D-SNP)
- Amerigroup DC Healthy Families
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Kaiser Permanente Medicare Plus
- Choice POS II
- Healthy Blue (HMO, POS)
- Amerigroup DC Alliance
- Options PPO Cardiac Global
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Health Services for Children with Special Needs
- CareFirst Maryland Indemnity or PPO
- CareFirst MedStar Select PPO
- HumanaChoice Honor's plan PPO
- Aetna Medicare Advantage PFFS Plan
- Aetna Basic
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- United Healthcare Choice Plus
- MultiPlan, Inc
- CareFirst FEP Blue Focus
- Kaiser Permanente Flexible Choice 3-tier POS
- Aetna Classic 3500
- CareFirst Blue Preferred PPO
- UnitedHealthcare and AARP Medicare Complete Plans
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Erickson Advantage Plans
- Aetna Signature Administrator PPO/TPA
- IH-EPO Plus
- Cigna Preferred Medicare (HMO)
- HighMark
- CIGNA Connect EPO
- IH-Open Network Only Plus
- Jai Medical Systems - Maryland Health Choice
- IH-Open EPO Plus
- Lasso Healthcare - Medicare Medical Savings Account
- UHC Passport
- OA Plus
- Optima Family Care MCO - VA Medicaid MCO
- IH-Open HMO Option
- Great-West Healthcare POS/CIGNA
- Anthem BCBS Medi Blue Plus
- Aetna Worker's Compensation Network
- Aetna Student Health Insurance
- CareFirst Group Medicare Advantage
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Aetna Advantage 6350
- Kaiser Permanente Select - Added Choice
- NYC Medicare Advantage Plus
- United Healthcare Choice Cardiac Global
- Magellan Complete Care of VA - VA Medicaid MCO
- Kaiser Permanente Select Cardiac Global
- Aetna VA Exchange
- M.D. IPA (HMO)
- CIGNA PPO
- CareFirst Blue Card Program
- HumanaChoice PPO
- CIGNA PPO Plus
- Aetna Traditional Choice (PPO)
- CIGNA Indemnity
- Select HMO/HealthFund/Health Network
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Core Essential (HMO)
- IH-Indemnity
- IH-PPO
- Maryland Physicians Care MCO
- Aetna HMO
- United Healthcare Choice Plus Cardiac Global
- Optimum Choice
- CIGNA POS/Network POS
- Choice Care Network/HUMANA (PPO)
- IH-Network Only Plus
- Anthem BCBS Medi Blue Dual Adv
- Aetna Medicare Advantage HMO & PPO Plans
- Alterwood Advanatge HMO & DSNP Plans
- Humana Medicare Advantage - PPO
- Advantra Platinum (PPO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Choice POS
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- POS OA
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Blue Choice Advantage
- Medicare FFS
- Aetna Advantage 6350PD
- Humana Medicare Advantage - HMO Open Access
- Tricare Reserve Select
Education
Board Certification:
Board Certification: American Board of Internal Medicine, Internal Medicine
Residency: National Institutes of Health (1996)
Residency: Stamford Hospital (1993)
Graduate: New York Medical College (1990)