Marci Beth Chasnow, MD| Pediatrics | MedStar Health
Marci Beth Chasnow

Marci Beth Chasnow, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (307 reviews)

Specialties: Pediatrics

Languages: English, Spanish

About me

Philosophy of Care:
“My relationship with a child and his or her family is a partnership. We are a team with the goal of achieving the best health and well being possible for the child.”

Areas of Clinical Interest
• General Pediatrics
• Adoption
• Supporting American Academy
of Pediatrics Recommended
Vaccine Schedule for Infants
and Children

Clinical areas of focus

  • Allergies
  • Ear Infection Treatment
  • Feeding Evaluation
  • Gastroesophageal Reflux Disease
  • Immunization Administration
  • Milk Allergy Treatment
  • Newborn Care
  • Newborn Care
  • Newborn Feeding Problems
  • Pediatric Autism Screening
  • Sleep Disorders
  • Vision Screening
  • Well Child Exam
  • Wellness Exams
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Conditions and procedures

Conditions I treat

  • Abdomen, Lower Back, Pelvis, And Genital Injury
  • Abdominal Pain
  • Abnormal Breathing
  • Abnormal Function Study Results
  • Abnormal Movements
  • Acne
  • Acute Bronchitis
  • Acute Laryngitis And Tracheitis
  • Acute Sinusitis
  • Adult And Child Abuse, Neglect And Maltreatment
  • Adverse Effects
  • Allergic Contact Dermatitis
  • Allergies
  • Allergy Status To Drugs And Substances
  • Ankle And Foot Fracture
  • Ankle And Foot Injury
  • Appearance And Behavior Symptoms
  • Asthma
  • Bedwetting
  • Behavior Problems In Children
  • Behavioral Problems
  • Birth Defects Due To Maternal Conditions
  • Bone Disorders
  • Bronchiolitis
  • Candidiasis
  • Carrier Of Infectious Disease
  • Child Speech Disorders
  • Childhood Diabetes
  • Chronic Diseases Of Tonsils And Adenoids
  • Cleft Lip And Palate
  • Cognitive Function Disorders
  • Conditions Of Integument Specific To Newborn
  • Conditions Originating In Perinatal Period
  • Conduct Disorders
  • Congenital Heart Valve Defects
  • Congenital Infectious And Parasitic Diseases
  • Congenital Malformations Of Ear
  • Congenital Malformations Of Eyelid, Lacrimal Apparatus And Orbit
  • Congenital Malformations Of Female Genitalia
  • Congenital Malformations Of Integument
  • Congenital Malformations Of Limb
  • Congenital Malformations Of Musculoskeletal System
  • Congenital Malformations Of Pharynx
  • Congenital Malformations Of Skin
  • Congenital Malformations Of Skull And Face Bones
  • Congenital Malformations Of Trachea And Bronchus
  • Congenital Musculoskeletal Deformities
  • Congenital Musculoskeletal Deformities Of Head, Face, Spine And Chest
  • Contact With Communicable Diseases
  • Convulsions
  • Cradle Cap (SEBORRHEIC DERMATITIS)
  • Deforming Dorsopathies
  • Dentofacial Abnormality
  • Dermatophytosis (RINGWORM)
  • Developmental Delays
  • Diseases Of Upper Respiratory Tract
  • Diseases Of Vocal Cords
  • Disorders Of Carbohydrate Metabolism
  • Disorders Of Pituitary Gland
  • Disorders Of Puberty
  • Disorders Of Tooth Development And Eruption
  • Ear Infection
  • Ear Infections In Children
  • Eating Disorders
  • Eating Disorders In Adolescents
  • Eccrine Sweat Disorders
  • Eczema (ATOPIC DERMATITIS)
  • Emotional Disorders
  • Emotional State Symptoms
  • Environmental Allergies
  • Epilepsy And Seizures
  • Erythematous Conditions
  • Eyelid Disorders
  • Facial Birthmarks
  • Feeding Problems In Newborns
  • Fever
  • Fungal Infections
  • Fungal Otitis Externa
  • Gastroesophageal Reflux Disease
  • General Symptoms
  • Genitourinary Symptoms
  • Hand And Wrist Fracture
  • Hashimoto Thyroiditis
  • Head Injury
  • Heart Murmurs In Children
  • Hemolytic Disease Of Newborn
  • Herpes
  • Hip And Thigh Tendon Injury
  • Hypertrophic Skin Disorders
  • Hypospadias
  • Impetigo
  • Infections Specific To The Perinatal Period
  • Intestinal Infections
  • Joint Disorder
  • Knee And Leg Open Wound
  • Lacrimal Gland Disorders
  • Lactose Intolerance
  • Limb Deformity
  • Lower Leg And Ankle Fracture
  • Lower Leg Injury
  • Lymphadenitis
  • Malabsorption
  • Menstrual Disorders
  • Mesothelioma
  • Middle Ear Disorders
  • Migraine
  • Musculoskeletal System Deformities
  • Nasopharyngitis
  • Nervous And Musculoskeletal Symptoms
  • Neutropenia
  • Newborn Care
  • Newborn Complications From Labor And Delivery
  • Newborn Complications From Maternal Pregnancy
  • Newborn Feeding Problems
  • Newborn Hypoglycemia
  • Noninfective Gastroenteritis
  • Nonsuppurative Otitis Media
  • Obesity In Children
  • Obstructive And Reflux Uropathy
  • Osteochondropathies
  • Otitis Media
  • Paralytic Strabismus
  • Pediatric Bone Fractures
  • Pediatric Hip Dysplasia
  • Perinatal Digestive System Disorders
  • Perinatal Hematological Disorders
  • Personal History Of Diseases And Conditions
  • Personal Risk Factors
  • Pervasive Developmental Disorder
  • Pneumonia
  • Poisoning
  • Presence Of Functional Implants
  • Problems Related To Education And Literacy
  • Problems Related To Lifestyle
  • Problems Related To Primary Support Group
  • Proteinuria
  • Protozoal Diseases
  • Pulmonary Heart Disease
  • Relapsing Fevers
  • Respiratory Conditions
  • Scarlet Fever
  • Scholastic Skills Disorder
  • Scoliosis
  • Secondary High Blood Pressure
  • Seizures In Children
  • Shoulder Fracture
  • Skin Thickening
  • Sleep Disorders
  • Speech Disturbances
  • Spinal Osteochondrosis
  • Staphylococcal Infection
  • Syncope
  • Synovium And Tendon Disorder
  • Systemic Connective Tissue Involvement
  • Thalassemia
  • Tic Disorder
  • Tooth Loss
  • Undescended Testicle
  • Urinary Tract Infection
  • Urological Disorders
  • Viral Infection
  • Vision Disturbances
  • Vision Problems In Children
  • Vomiting And Nausea
  • Vulva And Perineum Disorders
  • Well Child Exam
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Procedures I perform

  • Acne Education
  • Adhd Evaluation
  • Aging Education
  • Alcohol Abuse Counseling
  • Anti-Vegf Injection
  • Asthma Management
  • Attention Deficit Hyperactivity Disorder (ADHD) Testing
  • Bedwetting Education
  • Blood Pressure Check
  • Body Mass Index (BMI) Evaluation
  • Breastfeeding Assistance
  • Capillary Blood Collection
  • Cerebral Palsy Management
  • Chronic Headache Treatment
  • Cognitive Behavioral Therapy
  • Community Health Education
  • Constipation Education
  • Distance Stereoacuity Test
  • Down Syndrome Treatment
  • Ear Infection Treatment
  • Ear Tube Insertion
  • Eczema Education
  • Feeding Evaluation
  • Fertility Counseling
  • Gastroesophageal Reflux Disease
  • Gastrointestinal Therapy
  • Geriatric Sleep Disorder Treatment
  • Health Promotion Counseling
  • Hearing Aid Fitting
  • Hearing Testing
  • Helicobacter Pylori Stool Test
  • Immunization Administration
  • Impacted Earwax Removal
  • Lactation Counseling
  • Learning Disability Evaluation
  • Mental Health Assessment
  • Milk Allergy Treatment
  • Muscle Injection
  • Nebulizer Therapy
  • Neurodevelopmental Disorder Evaluation
  • Newborn Care
  • Nitrogen Washout Treatment
  • Nutrition Counseling
  • Palliative Care Education
  • Parent Management Training (PMT)
  • Parenting Classes
  • Peak Flow Measurement
  • Pediatric Autism Screening
  • Pediatric Massage
  • Pediatric Sick Visit
  • Poison Prevention
  • Posture Evaluation
  • Prenatal Lactation Education
  • Pulmonary Function Tests
  • Safety And Injury Prevention Counseling
  • Scoliosis Screening
  • Skin Allergy Testing
  • Sleep Counseling
  • Sleep Study
  • Speech Audiometry With Tympanometry
  • Speech Therapy
  • Swallowing Disorder Treatment
  • Time Management Training
  • Tuberculosis (TB) Test
  • Tuberculosis Testing
  • Urinary Protein Test
  • Vaccinations
  • Vision Screening
  • Vitamin Deficiency Screening
  • Wellness Exams
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Practice locations

Distance from Change LocationEnter your Location

12 MedStar Blvd
Ste 265
Bel Air, MD, 21015

410-877-2080

Fax 410-877-2079

Get Directions

miles away

Fax 410-877-2079

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

Videos

Education

Board Certification: American Board of Pediatrics, Pediatrics

Residency Program: University of Maryland Medical Center (1986)

Internship Program: University of Maryland Medical Center (1984)

Medical School: Boston University School of Medicine (1983)

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

    4.9
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.9
  • Provider included you in decisions

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

    4.9
  • Likelihood of recommending this care provider to others

    4.9
  • Oct 14, 2025

    We love Dr.Chasnow and trust her intelligence and experience. She never makes us feel like she's too busy to give us her full attention.

  • Aug 29, 2025

    Good

  • Aug 7, 2025

    Dr. Chasnow is the best doctor we have ever been to. Hands down