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 (226 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
    • IH-Open HMO Option
    • Private Fee-for-Service Plans (PFFS)
    • TRICARE East Select
    • CareFirst Blue Choice Opt Out Open Access
    • Select HMO/HealthFund/Health Network
    • Coventry Health Care of Virginia
    • Anthem BCBS of VA HealthKeepers (HMO)
    • United Healthcare Choice Plus Cardiac Global
    • Aetna Worker's Compensation Network
    • United Healthcare Options (PPO)
    • UnitedHealthcare and AARP Medicare Complete Plans
    • NYC Medicare Advantage Plus
    • Aetna Managed Choice (POS)
    • IH-Open POS Plus
    • OA Plus
    • Anthem BCBS of VA HealthKeepers Plus
    • Sentara Health
    • Kaiser Permanente Select Cardiac Global
    • CareFirst NASCO
    • Priority Partners - Maryland Health Choice
    • TriWest Healthcare Alliance
    • Cigna Achieve Medicare (HMO C-SNP)
    • Aetna Medicare Advantage PFFS Plan
    • CareFirst FEP Blue Focus
    • United Healthcare Choice
    • HumanaChoice PPO
    • Private Health Care Systems (PPO)
    • United Healthcare Choice Plus
    • Kaiser Permanente Medicare Plus
    • UHC Passport
    • Choice POS
    • CareFirst MedStar PPO
    • Anthem BCBS Medi Blue Plus
    • Humana Gold Plus HMO
    • Choice POS II Open Access
    • Anthem Federal Employee Program Basic
    • Jai Medical Systems - Maryland Health Choice
    • Veterans Affairs Community Care Network
    • CareFirst Group Medicare Advantage prescription drug benefit (PPO)
    • Geisinger Medicare Advantage
    • BlueChoice Open Access
    • Anthem Federal Employee Program Standard
    • Magellan Complete Care of VA - VA Medicaid MCO
    • Aetna Advantage 6350PD
    • Blue Choice Advantage
    • CIGNA POS/Network POS
    • CareFirst EPO
    • Kaiser Permaenete Signature - Added Choice Cardiac Global
    • IH-Open EPO Plus
    • POS OA
    • Humana Medicare Advantage - PPO
    • Aetna Elect Choice/ Open Access (POS)
    • Optimum Choice
    • MultiPlan, Inc
    • UnitedHealthcare Individual Exchange Plans
    • Uniformed Services Family Health Plan
    • United Healthcare Select Plus (POS)
    • HumanaChoice Honor's plan PPO
    • CareFirst Community Health Plan of MD
    • IH-HMO
    • IH-Open POS II
    • BCBS Out-of-State Medicare Plans (Blue Advantage)
    • Coventry of Delaware HMO/PPO
    • Aetna Better Health of MD
    • Great-West Healthcare POS/CIGNA
    • Amerigroup DC Healthy Families
    • CareFirst Administrators
    • CIGNA EPO
    • UHC Group Medicare Advantage Plans (HMO, POS, PPO)
    • Medicare FFS
    • Lasso Healthcare - Medicare Medical Savings Account
    • Anthem BCBS Medi Blue Dual Adv
    • CIGNA PPO
    • Aetna Premier 200PD
    • Aetna VA Exchange
    • Aetna Traditional Choice (PPO)
    • CIGNA SureFit (HMO)
    • Johns Hopkins Advantage MD PLUS PPO
    • United HealthCare Community Plan - Maryland Health Choice Program
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • Kaiser Permanente Medicare Advantage Signature and Select
    • First Health PPO
    • Maryland Physicians Care MCO
    • Aetna Basic
    • CareFirst Group Medicare Advantage
    • Police and Fire Clinic
    • Aetna HMO
    • DC/MD SHOP QHP Small Business Plans
    • AmeriHealth Caritas DC Healthcare Alliance
    • HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
    • Network OA
    • Johns Hopkins Advantage MD HMO
    • UnitedHealthcare Medicare Advantage DSNP District of Columbia
    • United Medicare Private Fee-for-Service (PFFS) plans
    • Optima Family Care MCO - VA Medicaid MCO
    • MedStar Family Choice - Maryland Health Choice
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • AmeriHealth Caritas DC Healthy Families
    • Choice POS II
    • CareFirst BlueCross BlueShield Advantage Core/Enhanced
    • United Healthcare Select HMO-EPO/NPP Cardiac Global
    • Kaiser Permanente Signature - Added Choice
    • Aetna Quality Point of Service (POS)
    • CareFirst BlueChoice HMO
    • CareFirst Dual Prime HMO-SNP
    • CIGNA Indemnity
    • CareFirst Blue Choice Opt Out Plus Open Access (POS)
    • CIGNA HMO & Network (HMO)
    • Options PPO Cardiac Global
    • Anthem BCBS of VA Key Care POS/PPO/Indemnity
    • CareFirst Blue Preferred PPO
    • Navigate
    • Mamsi Life & Health (Indem./PPO)
    • Mamsi Life & Health (Indem./PPO) Cardiac Global
    • TRICARE for Life East
    • Kaiser Permanente Signature
    • Kaiser Permanente HMO Plus and DHMO Plus Member
    • Kaiser Permanente Flexible Choice POS Cardiac Global
    • Coventry Health Care National Network PPO
    • M.D. IPA Preferred (POS)
    • United Healthcare Choice Cardiac Global
    • Humana Medicare Advantage - HMO Open Access
    • IH-POS Plus
    • CIGNA HMO Open Access
    • IH-PPO
    • HighMark
    • Beech Street PPO
    • Anthem BCBS Medi Blue SNP
    • UnitedHealthcare Medicare Adv. Special Needs Plans
    • Cigna Alliance Medicare (HMO)
    • CIGNA Connect EPO
    • First Health PPO
    • IH-Open HMO
    • Cigna True Choice Plus Medicare (PPO)
    • Tricare Reserve Select
    • MedStar Family Choice DC Healthcare Alliance
    • Aetna Medicare Advantage HMO & PPO Plans
    • Alterwood Advanatge HMO & DSNP Plans
    • United Student Resources
    • Aetna Better Health of VA
    • Aetna Advantage 6350
    • Aetna Open Choice (PPO)
    • Healthy Blue (HMO, POS)
    • WellPoint Maryland - Maryland Health Choice
    • Amerigroup DC Alliance
    • Johns Hopkins Advantage MD PPO
    • Choice Care Network/HUMANA (PPO)
    • CareFirst Maryland Point of Service Plan
    • Core Essential (HMO)
    • Medicare Direct
    • IH-Network Only Plus
    • IH-POS
    • CareFirst Maryland Indemnity or PPO
    • BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
    • CIGNA PPO Plus
    • OCI Direct (HMO)
    • United Healthcare Community Plan - VA Medicaid MCO
    • AMERIVANTAGE/Amerigroup Community Care
    • United Healthcare Select HMO - EPO/NPP
    • United Healthcare Navigate Cardiac Global
    • TRICARE East Prime
    • Kaiser Maryland Medicaid MCO
    • Aetna Classic 5000PD
    • Anthem BCBS of VA HealthKeepers (POS & POS OA)
    • CareFirst Blue Card Program
    • Aetna Student Health Insurance
    • Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
    • Aetna Signature Administrator PPO/TPA
    • Health Services for Children with Special Needs
    • Kaiser Permanente Select
    • MD IPA (HMO) & MD IPA Preferred Cardiac Global
    • Aetna Classic 5000
    • CareFirst (NCA) Indemnity
    • IH-Indemnity
    • Erickson Advantage Plans
    • Aetna Advantage 5750
    • Cigna TotalCare (HMO D-SNP)
    • Advantra Platinum (PPO)
    • IH-Open Network Only Plus
    • CareFirst Federal Employee Program (Std. & Basic PPO)
    • Cigna True Choice Medicare (PPO)
    • Cigna Preferred Medicare (HMO)
    • IH-EPO Plus
    • Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
    • Aetna Managed Choice Open Access (POS)
    • Medicare Advantage - Advantra Value (PPO)
    • Choice Fund PPO
    • HealthyBlue PPO
    • MedStar Family Choice DC Healthy Families
    • Optimum Choice Preferred (POS)
    • Aetna Classic 3500
    • CareFirst MedStar Select PPO
    • Kaiser Permanente Flexible Choice 3-tier POS
    • Kaiser Permanente Select - Added Choice
    • Employee Health Plan
    • M.D. IPA (HMO)

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

    4.8
  • Jan 29, 2026

    We love NP Hernandez!

  • Dec 11, 2025

    Dr. Hernandez is kind & professional

  • Nov 7, 2025

    Good