Marilyn Hernandez, CRNP| Pediatrics | MedStar Health
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Marilyn Hernandez

Marilyn Hernandez, CRNP
Provider is directly employed by MedStar Health

4.8 out of 5 (223 reviews)

Specialties: Pediatrics

Languages: English

(844) 772-3013

About me

Areas of Clinical Interest

  • Premature infant care and development
  • Preventive medicine through education and lifestyle management
  • Autism
  • ADHD and ADD
Education
  • Master of Science in Nursing Chamberlain University, Chicago, IL
  • Bachelor of Science in Nursing, Dr. Lanting School of Nursing, Philippines
Additional Languages
  • Tagalog
Certifications and Associations
  • Board Certified Family Nurse Practitioner by the American Academy of Nurse Practitioners (AANP)
  • Member, American Academy of Nurse Practitioners
  • Member, American Nurses Association (ANA)

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

Education

Board Certification: American Association of Nurse Practitioners, American Academy of Nurse Practitioners

Allied Health Education: Chamberlain University (2018)

Ratings and reviews

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

    4.8
  • Extent to which the care provider listened to you

    4.8
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.8
  • Provider included you in decisions

    4.8
  • Concern the care provider showed for your questions or worries

    4.8
  • Likelihood of recommending this care provider to others

    4.7
  • Jan 29, 2026

    We love NP Hernandez!

  • Dec 11, 2025

    Dr. Hernandez is kind & professional

  • Nov 7, 2025

    Good