Allison McCormick Greenleaf, MSN NP| Pediatrics | MedStar Health
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Allison McCormick Greenleaf

Allison McCormick Greenleaf, MSN NP
Provider is directly employed by MedStar Health

4.9 out of 5 (41 reviews)

Specialties: Pediatrics

Languages: English

Clinical areas of focus

  • Baby Reflux
  • Colic In Infants
  • Feeding Difficulties In Newborns
  • Feeding Problems In Toddlers
  • Growth And Development Monitoring
  • Newborn Feeding Disorders
  • Premature Birth
  • Premature Infant
  • Reflux In Infants
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Conditions and procedures

Conditions I treat

  • Abnormal Breathing In Newborns
  • Abnormal Findings On Neonatal Screening
  • Acute Bronchiolitis In Infants
  • Baby Acne
  • Baby Reflux
  • Blocked Tear Ducts
  • Blood In Stool
  • Breastfeeding Difficulties
  • Bronchiolitis
  • Colic In Infants
  • Common Cold In Children
  • Constipation
  • Cradle Cap
  • Delayed Speech And Language Development
  • Eczema
  • Feeding Difficulties In Newborns
  • Feeding Problems In Toddlers
  • Language Developmental Delays
  • Medically Complex Child
  • Nasolacrimal Duct Obstruction
  • Newborn Care
  • Newborn Feeding Disorders
  • Oral Thrush
  • Premature Birth
  • Premature Infant
  • Reflux In Infants
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Procedures I perform

  • Acid Reflux Treatment
  • Antibiotic Therapy
  • Child Developmental Assessment
  • Counseling For Feeding Problems
  • Developmental Assessments
  • Developmental Follow-Up
  • Growth And Development Monitoring
  • Growth Development Screening
  • Infant Nutrition Counseling
  • Newborn Care
  • Telemedicine Treatment
  • Telemedicine Visit
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Practice locations

Distance from Change LocationEnter your Location

110 Irving St NW
1st Fl
Washington, DC, 20010

202-877-3791

Fax 877-245-1499

Get Directions

miles away

Fax 877-245-1499

3800 Reservoir Rd NW
Main Bldg 3rd Fl Rm 3400
Washington, DC, 20007

202-444-8569

Fax 202-444-4747

Get Directions

miles away

Fax 202-444-4747

4200 Wisconsin Ave NW
Washington, DC, 20016

202-243-3425

Fax 202-243-3434

Get Directions

miles away

Fax 202-243-3434

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

Education

Board Certification: Pediatric Nursing Certification Board, Neonatology

Graduate: The Catholic University Of America (2004)

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
  • Feb 5, 2026

    We love Allison! She always takes time with us to answer and discuss our questions.

  • Aug 28, 2025

    Allison is the best!

  • Jun 17, 2025

    Allison was wonderful and took time to thoughtfully answer all of our questions.