Mary Jane M. Reen, MD| Pediatrics | MedStar Health
Mary Jane M. Reen

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

5 out of 5 (181 reviews)

Specialties: 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
Show More

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
Show All Show Less

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
  • Infant Hips Ultrasound
  • Infectious Disease Treatment
  • 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
  • Skin Tag Removal
  • 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
Show All button Press enter to expand Show Less

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

Education

Board Certification: American Board of Pediatrics, 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

    4.9
  • 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.