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

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

4.9 out of 5 (316 reviews)

Specialties: Pediatrics

Languages: 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

  • Asthma
  • Attention Deficit Hyperactivity Disorder (ADHD) Evaluation And Treatment
  • Autism Spectrum Disorder
  • Camp Physicals
  • Feeding Difficulties In Newborns
  • Feeding Problems In Toddlers
  • Growth And Development Monitoring
  • Immunization Administration
  • Lactation Counseling
  • Musculoskeletal Injury
  • Nutrition Counseling
  • Pediatric Sick Visit
  • School Physical
  • School Physical
  • Sports Physicals
  • Well Child Exam
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Conditions and procedures

Conditions I treat

  • Abdominal Pain
  • Abnormal Breathing
  • Abnormal Breathing In Newborns
  • Abnormal Findings On Neonatal Screening
  • Acute Bronchiolitis In Infants
  • Acute Sinusitis
  • Acute Tonsillitis In Children
  • Acute Upper Respiratory Infections Of Multiple Sites
  • Allergic Contact Dermatitis
  • Allergic Reactions In Children
  • Allergic Rhinitis
  • Allergies
  • Anemia In Children
  • Arm Injury
  • Arm Pain In Children
  • Asthma
  • Asthma Attack
  • Asthma In Children
  • Asthma Management
  • Atopic Dermatitis (ECZEMA) In Children
  • Autism Spectrum Disorder
  • Baby Acne
  • Baby Reflux
  • Bacterial Pneumonia
  • Bedwetting
  • Behavioral Problems
  • Blocked Tear Ducts
  • Blood In Stool
  • Bone Disorders In Children
  • Breastfeeding Difficulties
  • Bronchiolitis
  • Burn Injuries
  • Candidiasis
  • Cellulitis
  • Chest Pain
  • Child Anxiety Disorders
  • Child Asthma
  • Child Constipation
  • Child Speech Problems
  • Child Tantrums
  • Cold And Flu In Children
  • Colic In Infants
  • Common Cold In Children
  • Constipation
  • Cradle Cap
  • Croup
  • Delayed Speech And Language Development
  • Developmental Delays In Toddlers
  • Ear Foreign Body
  • Ear Infections In Children
  • Ear Pain In Children
  • Eczema
  • Enuresis
  • Environmental Allergies
  • Eye Problems In Children
  • Feeding Difficulties In Newborns
  • Feeding Problems In Toddlers
  • Fever In Children
  • Flu In Children
  • Gastroenteritis
  • Gastroesophageal Reflux Disease (GERD) In Children
  • Growing Pains
  • Hand Foot And Mouth Disease
  • Head Injury
  • Head Lice
  • Headache In Children
  • Health Counseling
  • Hives
  • Impetigo In Children
  • Infection
  • Infectious Mononucleosis
  • Influenza
  • Intellectual Disabilities
  • Knee Pain In Children
  • Language Developmental Delays
  • Lead Poisoning In Children
  • Learning Disabilities In Children
  • Leg Pain In Children
  • Medically Complex Child
  • Middle Ear Pain
  • Musculoskeletal Injury
  • Nasal Congestion
  • Nasolacrimal Duct Obstruction
  • Nausea And Vomiting In Kids
  • Newborn Care
  • Newborn Feeding Disorders
  • Nightmares In Children
  • Nonsuppurative Otitis Media
  • Nursemaid's Elbow
  • Nutrition Counseling
  • Obesity In Children
  • Oral Thrush
  • Otitis Externa (SWIMMER'S EAR)
  • Otitis Media
  • Overweight Children
  • Pediatric Allergies
  • Pediatric Anemia
  • Pediatric Sinusitis
  • Pediatric Skin Conditions (E.G. ECZEMA, ACNE)
  • Pink Eye (CONJUNCTIVITIS)
  • Pinworms
  • Pneumonia In Children
  • Poor Appetite In Children
  • Premature Birth
  • Premature Infant
  • Reflux In Infants
  • Roseola
  • Rubella
  • Runny Nose
  • Scabies In Children
  • Scarlet Fever
  • School Physical
  • Sinusitis In Children
  • Skin And Soft Tissue Infections
  • Skin Infections In Children
  • Skin Rashes In Children
  • Speech Disorders
  • Sprains And Strains In Children
  • Strep Throat
  • Swimmer's Ear
  • Testicular Pain
  • Throat Pain
  • Tinea Infections
  • Underimmunization
  • Underweight In Kids
  • Unexplained Fever
  • Urinary Tract Infection (UTI)
  • Urticaria
  • Vaccination Concerns
  • Vaccinations For Children
  • Vaginitis
  • Viral Exanthem In Children
  • Viral Infection
  • Vision Problems In Children
  • Vomiting In Children
  • Well Child Exam
  • Whooping Cough (PERTUSSIS)
  • Wound Infections In Children
  • Wrist And Hand Pain
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Procedures I perform

  • Acid Reflux Treatment
  • Annual Well Child Exam
  • Antibiotic Therapy
  • Anxiety Disorder Screening
  • Anxiety Management
  • Asthma Action Plan
  • Asthma Attack Treatment
  • Asthma Medication Management
  • Attention Deficit Hyperactivity Disorder (ADHD) Evaluation And Treatment
  • Autism Screening And Diagnosis
  • Breastfeeding Assistance
  • Camp Physicals
  • Child Development Guidance
  • Child Developmental Assessment
  • Cholesterol Screening
  • Conjunctivitis Treatment
  • Constipation Education
  • Counseling For Anxiety And Depression
  • Counseling For Autism Spectrum Disorder
  • Counseling For Behavioral Issues
  • Counseling For Children
  • Counseling For Chronic Illness
  • Counseling For Developmental Disorders
  • Counseling For Down Syndrome
  • Counseling For Feeding Problems
  • Counseling For Intellectual Disabilities
  • Daycare Physical
  • Developmental Assessments
  • Developmental Delay Diagnosis
  • Developmental Follow-Up
  • Dietary Counseling
  • Growth And Development Monitoring
  • Growth Development Screening
  • Healthy Lifestyle Guidance
  • Immunization Administration
  • Infant Nutrition Counseling
  • Infection Treatment
  • Injury Prevention
  • Lactation Counseling
  • Newborn Care
  • Nutrition And Diet Counseling
  • Pediatric Asthma Management
  • Pediatric Asthma Screening
  • Pediatric Autism Screening
  • Pediatric Nutrition Counseling
  • Pediatric Sick Visit
  • Pediatric Well Visit
  • Physical Activity Counseling
  • Physical Exam For School
  • Safety And Injury Prevention Counseling
  • School Physical
  • Sleep Counseling
  • Sports Physicals
  • Telemedicine Treatment
  • Telemedicine Visit
  • Vaccinations
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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
    • CareFirst Maryland Indemnity or PPO
    • MedStar Family Choice - Maryland Health Choice
    • Aetna Signature Administrator PPO/TPA
    • CareFirst Maryland Point of Service Plan
    • Coventry of Delaware HMO/PPO
    • Kaiser Permanente Select
    • Advantra Platinum (PPO)
    • Aetna Advantage 6350
    • UnitedHealthcare Individual Exchange Plans
    • Aetna Quality Point of Service (POS)
    • WellPoint Maryland - Maryland Health Choice
    • OA Plus
    • Options PPO Cardiac Global
    • Anthem BCBS Medi Blue Dual Adv
    • IH-POS
    • Tricare Reserve Select
    • Aetna Advantage 6350PD
    • CareFirst Blue Choice Opt Out Plus Open Access (POS)
    • CIGNA PPO
    • Aetna Advantage 5750
    • Aetna Traditional Choice (PPO)
    • United Healthcare Choice Plus
    • UHC Passport
    • Network OA
    • Aetna Better Health of VA
    • CIGNA Connect EPO
    • United Healthcare Select HMO - EPO/NPP
    • Johns Hopkins Advantage MD PLUS PPO
    • Kaiser Permanente Select - Added Choice
    • Aetna Classic 5000PD
    • CareFirst Blue Card Program
    • MultiPlan, Inc
    • United Healthcare Navigate Cardiac Global
    • 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)
    • Kaiser Maryland Medicaid MCO
    • BlueChoice Open Access
    • CareFirst Dual Prime HMO-SNP
    • Humana Medicare Advantage - HMO Open Access
    • Aetna Managed Choice (POS)
    • HumanaChoice Honor's plan PPO
    • IH-PPO
    • First Health PPO
    • Humana Gold Plus HMO
    • Police and Fire Clinic
    • AMERIVANTAGE/Amerigroup Community Care
    • Cigna TotalCare (HMO D-SNP)
    • United Healthcare Options (PPO)
    • CareFirst Federal Employee Program (Std. & Basic PPO)
    • Cigna Preferred Medicare (HMO)
    • Aetna VA Exchange
    • Medicare FFS
    • Priority Partners - Maryland Health Choice
    • Veterans Affairs Community Care Network
    • TRICARE East Select
    • CIGNA Indemnity
    • M.D. IPA (HMO)
    • TRICARE East Prime
    • Medicare Advantage - Advantra Value (PPO)
    • Anthem BCBS Medi Blue Plus
    • United Healthcare Community Plan - VA Medicaid MCO
    • HighMark
    • United Healthcare Select HMO-EPO/NPP Cardiac Global
    • BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
    • CareFirst Group Medicare Advantage
    • IH-Open EPO Plus
    • IH-Indemnity
    • Cigna True Choice Plus Medicare (PPO)
    • MD IPA (HMO) & MD IPA Preferred Cardiac Global
    • Select HMO/HealthFund/Health Network
    • CareFirst Administrators
    • Humana Medicare Advantage - PPO
    • HumanaChoice PPO
    • Kaiser Permanente Medicare Plus
    • Mamsi Life & Health (Indem./PPO)
    • UnitedHealthcare Medicare Adv. Special Needs Plans
    • IH-Open POS Plus
    • Choice Care Network/HUMANA (PPO)
    • Aetna Basic
    • Uniformed Services Family Health Plan
    • Optima Family Care MCO - VA Medicaid MCO
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • Aetna Elect Choice/ Open Access (POS)
    • Choice POS II
    • Anthem BCBS Medi Blue SNP
    • United Healthcare Choice Cardiac Global
    • Great-West Healthcare POS/CIGNA
    • United Healthcare Select Plus (POS)
    • CareFirst EPO
    • TriWest Healthcare Alliance
    • Optimum Choice Preferred (POS)
    • IH-Open POS II
    • Cigna Alliance Medicare (HMO)
    • Optimum Choice
    • United Medicare Private Fee-for-Service (PFFS) plans
    • Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
    • IH-POS Plus
    • Amerigroup DC Healthy Families
    • Kaiser Permanente HMO Plus and DHMO Plus Member
    • Aetna Medicare Advantage PFFS Plan
    • CIGNA HMO Open Access
    • Aetna Classic 3500
    • Choice POS
    • Choice POS II Open Access
    • Healthy Blue (HMO, POS)
    • MedStar Family Choice DC Healthy Families
    • Medicare Direct
    • CIGNA SureFit (HMO)
    • Erickson Advantage Plans
    • UnitedHealthcare and AARP Medicare Complete Plans
    • Sentara Health
    • OCI Direct (HMO)
    • UHC Group Medicare Advantage Plans (HMO, POS, PPO)
    • United Student Resources
    • IH-Open Network Only Plus
    • CareFirst Blue Choice Opt Out Open Access
    • United HealthCare Community Plan - Maryland Health Choice Program
    • Aetna Managed Choice Open Access (POS)
    • Aetna Open Choice (PPO)
    • Navigate
    • Anthem BCBS of VA HealthKeepers (HMO)
    • IH-HMO
    • Geisinger Medicare Advantage
    • Kaiser Permaenete Signature - Added Choice Cardiac Global
    • Choice Fund PPO
    • IH-EPO Plus
    • Kaiser Permanente Select Cardiac Global
    • CareFirst MedStar PPO
    • Aetna Student Health Insurance
    • CIGNA HMO & Network (HMO)
    • IH-Open HMO
    • NYC Medicare Advantage Plus
    • Anthem Federal Employee Program Standard
    • Core Essential (HMO)
    • Lasso Healthcare - Medicare Medical Savings Account
    • CareFirst FEP Blue Focus
    • TRICARE for Life East
    • United Healthcare Choice Plus Cardiac Global
    • POS OA
    • Kaiser Permanente Flexible Choice 3-tier POS
    • IH-Network Only Plus
    • AmeriHealth Caritas DC Healthcare Alliance
    • CIGNA EPO
    • CareFirst NASCO
    • Aetna Better Health of MD
    • CIGNA POS/Network POS
    • Coventry Health Care of Virginia
    • Mamsi Life & Health (Indem./PPO) Cardiac Global
    • Kaiser Permanente Flexible Choice POS Cardiac Global
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • Anthem Federal Employee Program Basic
    • UnitedHealthcare Medicare Advantage DSNP District of Columbia
    • Anthem BCBS of VA HealthKeepers (POS & POS OA)
    • Private Health Care Systems (PPO)
    • AmeriHealth Caritas DC Healthy Families
    • First Health PPO
    • Blue Choice Advantage
    • Kaiser Permanente Medicare Advantage Signature and Select
    • Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
    • CareFirst MedStar Select PPO
    • Employee Health Plan
    • IH-Open HMO Option
    • Aetna HMO
    • CareFirst Blue Preferred PPO
    • Jai Medical Systems - Maryland Health Choice
    • Aetna Worker's Compensation Network
    • Amerigroup DC Alliance
    • Johns Hopkins Advantage MD PPO
    • HealthyBlue PPO
    • Aetna Premier 200PD
    • CareFirst Community Health Plan of MD
    • Kaiser Permanente Signature - Added Choice
    • BCBS Out-of-State Medicare Plans (Blue Advantage)
    • Alterwood Advanatge HMO & DSNP Plans
    • Aetna Medicare Advantage HMO & PPO Plans
    • Maryland Physicians Care MCO
    • CIGNA PPO Plus
    • Anthem BCBS of VA HealthKeepers Plus
    • CareFirst BlueCross BlueShield Advantage Core/Enhanced
    • Cigna Achieve Medicare (HMO C-SNP)
    • Health Services for Children with Special Needs
    • Anthem BCBS of VA Key Care POS/PPO/Indemnity
    • Kaiser Permanente Signature
    • Private Fee-for-Service Plans (PFFS)
    • Johns Hopkins Advantage MD HMO
    • Coventry Health Care National Network PPO
    • CareFirst BlueChoice HMO
    • CareFirst (NCA) Indemnity
    • HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
    • Beech Street PPO
    • M.D. IPA Preferred (POS)
    • Aetna Classic 5000
    • DC/MD SHOP QHP Small Business Plans
    • United Healthcare Choice

Videos

Education

Residency: University of Maryland Medical Center (1986)

Internship: University of Maryland Medical Center (1984)

Medical Education: 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
  • Apr 22, 2026

    Good

  • Feb 19, 2026

    Dr. Chasnow is the best doctor we have ever visited. She listens, she cares and treats us as family.

  • 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.