Mary Jane M. Reen, MD| Pediatric Hospital Medicine, Pediatrics | MedStar Health
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Mary Jane M. Reen

Mary Jane M. Reen, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (188 reviews)

Specialties: Pediatric Hospital Medicine, Pediatrics

Languages: English

Clinical areas of focus

  • Chronic Cough Treatment
  • Chronic Headache Treatment
  • Ear Infection Treatment
  • Gastroesophageal Reflux Disease
  • Geriatric Sleep Disorder Treatment
  • Mental Health Support During Pregnancy
  • Milk Allergy Treatment
  • Newborn Feeding Problems
  • Newborn Feeding Support
  • Sleep Disorders
  • Vision Screening
  • Wellness Exams
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Conditions and procedures

Conditions I treat

  • Abdomen, Lower Back, Pelvis, And Genital Injury
  • Abdominal Pain
  • Abnormal Breathing
  • Abnormal Drug Findings In Blood
  • Abnormal Function Study Results
  • Abnormal Movements
  • Acne
  • Acute Laryngitis And Tracheitis
  • Acute Sinusitis
  • Adult And Child Abuse, Neglect And Maltreatment
  • Adverse Effects
  • Allergic Contact Dermatitis
  • Allergy Status To Drugs And Substances
  • Ankle And Foot Injury
  • Appearance And Behavior Symptoms
  • Artificial Openings Complications
  • Asthma
  • Bacterial Agents
  • Bacterial Pneumonia
  • Birth Defects Due To Maternal Conditions
  • Bone Disorders
  • Bronchiolitis
  • Candidiasis
  • Child Speech Disorders
  • Chronic Diseases Of Tonsils And Adenoids
  • Cleft Lip And Palate
  • Cognitive Function Disorders
  • Complications Of Infusion, Transfusion And Injection
  • Conditions Of Integument Specific To Newborn
  • Congenital Anomalies
  • Congenital Anomalies Of The Kidney
  • Congenital Deformities Of Hip
  • Congenital Infectious And Parasitic Diseases
  • Congenital Malformation Syndromes Affecting Multiple Systems
  • Congenital Malformations Of Ear
  • Congenital Malformations Of Eyelid, Lacrimal Apparatus And Orbit
  • Congenital Malformations Of Face And Neck
  • Congenital Malformations Of Gallbladder, Bile Ducts And Liver
  • Congenital Malformations Of Intestine
  • Congenital Malformations Of Larynx
  • Congenital Malformations Of Male Genital Organs
  • Congenital Malformations Of Pharynx
  • Congenital Malformations Of Skin
  • Congenital Malformations Of Skull And Face Bones
  • Congenital Malformations Of Trachea And Bronchus
  • Congenital Malformations Of Urinary System
  • Congenital Musculoskeletal Deformities Of Head, Face, Spine And Chest
  • Congenital Obstructive Defects Of Renal Pelvis
  • Contact With Communicable Diseases
  • Convulsions
  • Cradle Cap (SEBORRHEIC DERMATITIS)
  • Crohn's Disease [Regional Enteritis]
  • Deforming Dorsopathies
  • Dermatitis Due To Substances
  • Dermatophytosis (RINGWORM)
  • Developmental Delays
  • Disorders Of Carbohydrate Metabolism
  • Disorders Of Puberty
  • Disorders Of Tooth Development And Eruption
  • Disturbances Of Cerebral Status Of Newborn
  • Eating Disorders
  • Eccrine Sweat Disorders
  • Eczema (ATOPIC DERMATITIS)
  • Emotional Disorders
  • Emotional State Symptoms
  • Epilepsy And Seizures
  • Erythematous Conditions
  • Eyelid Disorders
  • Family History Of Disabilities And Chronic Diseases
  • Feeding Problems In Newborns
  • Fever
  • Fungal Infections
  • Fungal Otitis Externa
  • General Symptoms
  • Genitourinary Symptoms
  • Hand And Wrist Fracture
  • Head Injury
  • Hemangioma
  • Hereditary Hemolytic Anemias
  • Herpes
  • Hydrocephalus
  • Hypothermia Of Newborn
  • Immunization Not Carried Out And Underimmunization Status
  • Impetigo
  • Intestinal Infections
  • Joint Disorder
  • Knee And Leg Open Wound
  • Lacrimal Gland Disorders
  • Limb Deformity
  • Lower Leg And Ankle Fracture
  • Lower Leg Injury
  • Menstrual Disorders
  • Mesothelioma
  • Middle Ear Disorders
  • Migraine
  • Nasopharyngitis
  • Nervous And Musculoskeletal Symptoms
  • Neutropenia
  • Newborn Affected By Complications Of Placenta, Cord And Membranes
  • Newborn Complications From Labor And Delivery
  • Newborn Feeding Problems
  • Newborn Hypoglycemia
  • Noninfective Gastroenteritis
  • Nonsuppurative Otitis Media
  • Obstructive And Reflux Uropathy
  • Paralytic Strabismus
  • Penis Disorders
  • Perinatal Digestive System Disorders
  • Personal History Of Diseases And Conditions
  • Personal Risk Factors
  • Persons Encountering Health Services
  • Pervasive Developmental Disorder
  • Phakomatoses
  • Problems Related To Education And Literacy
  • Problems Related To Lifestyle
  • Problems Related To Primary Support Group
  • Protozoal Diseases
  • Pulmonary Heart Disease
  • Relapsing Fevers
  • Respiratory Conditions
  • Respiratory Failure In Newborn
  • Scarlet Fever
  • Scholastic Skills Disorder
  • Scoliosis
  • Shoulder Fracture
  • Sickle
  • Skin Thickening
  • Sleep Disorders
  • Spinal Osteochondrosis
  • Subclinical Hypothyroidism
  • Syncope
  • Thalassemia
  • Urological Disorders
  • Viral Infection
  • Vision Disturbances
  • Vomiting And Nausea
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Procedures I perform

  • Absence Management
  • Acute Illness Treatment
  • Adhd Assessment
  • Adoption Evaluation
  • Adult Day Care Evaluation
  • Asthma Management
  • Balance And Coordination Training
  • Binge Eating Disorder Treatment
  • Body Mass Index (BMI) Evaluation
  • Bone Health Evaluation
  • Breastfeeding Assistance
  • Cardiovascular Health Promotion
  • Cerebral Palsy Management
  • Child Care
  • Child Custody Evaluation
  • Chronic Cough Treatment
  • Chronic Headache Treatment
  • Cognitive Development Evaluation
  • Community Health Education
  • Counseling For Mental Health
  • Daycare Physical
  • Disease Prevention Education
  • Down Syndrome Treatment
  • Ear Infection Treatment
  • Ear Piercing
  • Electrocardiogram
  • Endocrinology Care
  • Gastroesophageal Reflux Disease
  • Geriatric Sleep Disorder Treatment
  • Health Promotion Counseling
  • Holter Monitoring
  • Immunization Administration
  • Injury Treatment
  • Lactation Consultation
  • Learning Disability Evaluation
  • Long Leg Splint Application
  • Low Vision Therapy
  • Mental Health Assessment
  • Mental Health Medication Management
  • Mental Health Support During Pregnancy
  • Milk Allergy Treatment
  • Mole Removal
  • Nebulizer Therapy
  • Neonatal Circumcision
  • Neurodevelopmental Disorder Evaluation
  • Newborn Care
  • Newborn Feeding Support
  • Newborn Initial Hospital Care
  • Newborn Screening Tests
  • Nutrition Counseling
  • Orthopedic Physical Therapy
  • Orthotic Device Fitting
  • Orthotics Fitting
  • Pain Medication Management
  • Pancreatic Disease Management
  • Pediatric Autism Screening
  • Pediatric Sick Visit
  • Pink Eye (CONJUNCTIVITIS) Treatment
  • Poison Prevention
  • Prenatal Lactation Education
  • Pulmonary Function Tests
  • Safety And Injury Prevention Counseling
  • School Physical
  • Skin Allergy Testing
  • Speech Audiometry With Tympanometry
  • Speech Therapy
  • Sports Physicals
  • Staple Removal
  • Substance Abuse Education
  • Suture Removal
  • Swallowing Disorder Treatment
  • Therapeutic Activities
  • Therapeutic Exercises
  • Toddler Care
  • Traction Application
  • Travel Health Consultation
  • Trichiasis Treatment
  • Urinary Tract Infection (UTI) Treatment
  • Vaccinations
  • Vision Screening
  • Wart Treatment
  • Weight Management Program
  • Wellness Exams
  • Wheelchair Evaluation
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Practice locations

Distance from Change LocationEnter your Location

4200 Wisconsin Ave NW
Ste 400
Washington, DC, 20016

202-243-3400

Fax 202-243-3434

Get Directions

miles away

Fax 202-243-3434

26840 Point Lookout Rd
Ste 5 & 6
Leonardtown, MD, 20650

301-475-4610

Fax 301-475-4611

Get Directions

miles away

Fax 301-475-4611

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.

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

Education

Board Certification: American Board of Pediatrics, General Pediatrics

Residency: MedStar Georgetown University Medical Center (2019)

Residency: MedStar Georgetown University Medical Center (2018)

Medical School: Georgetown University School of Medicine (2015)

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    5
  • Extent to which the care provider listened to you

    5
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    5
  • Provider included you in decisions

    4.9
  • Concern the care provider showed for your questions or worries

    5
  • Likelihood of recommending this care provider to others

    5
  • Aug 19, 2025

    Dr. Reen was very reassuring and thorough.

  • Jun 20, 2025

    Outstanding provider. Listened and empathized with my child exceptionally well established repoire while giving the best possible up-to-date recommendations. A rare gem of a Health at Every Size provider.

  • Jun 10, 2025

    Provider listens to and addresses concern I had with kindness and thorough evaluation.