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 (43 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
    • Kaiser Permanente Medicare Advantage Signature and Select
    • Advantra Platinum (PPO)
    • Coventry of Delaware HMO/PPO
    • CareFirst MedStar Select PPO
    • Humana Medicare Advantage - PPO
    • TRICARE East Select
    • Kaiser Permanente Signature
    • Health Services for Children with Special Needs
    • United Healthcare Choice
    • CIGNA PPO Plus
    • United Medicare Private Fee-for-Service (PFFS) plans
    • United HealthCare Community Plan - Maryland Health Choice Program
    • IH-Network Only Plus
    • Aetna Managed Choice Open Access (POS)
    • Maryland Physicians Care MCO
    • Optimum Choice
    • Kaiser Maryland Medicaid MCO
    • Anthem BCBS of VA HealthKeepers (HMO)
    • Anthem BCBS of VA HealthKeepers (POS & POS OA)
    • Aetna Basic
    • WellPoint Maryland - Maryland Health Choice
    • Great-West Healthcare POS/CIGNA
    • Choice Fund PPO
    • Uniformed Services Family Health Plan
    • HighMark
    • United Healthcare Select HMO-EPO/NPP Cardiac Global
    • Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
    • IH-EPO Plus
    • Lasso Healthcare - Medicare Medical Savings Account
    • Aetna Classic 5000
    • Aetna Classic 5000PD
    • CareFirst Dual Prime HMO-SNP
    • POS OA
    • Amerigroup DC Healthy Families
    • Aetna Open Choice (PPO)
    • Kaiser Permaenete Signature - Added Choice Cardiac Global
    • Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
    • HumanaChoice Honor's plan PPO
    • Core Essential (HMO)
    • Kaiser Permanente Select
    • Aetna Advantage 6350
    • CIGNA Indemnity
    • Coventry Health Care National Network PPO
    • IH-HMO
    • IH-Indemnity
    • Anthem BCBS Medi Blue Plus
    • Humana Medicare Advantage - HMO Open Access
    • Aetna Better Health of MD
    • CareFirst MedStar PPO
    • Veterans Affairs Community Care Network
    • Aetna Advantage 5750
    • UnitedHealthcare Medicare Adv. Special Needs Plans
    • Aetna HMO
    • DC/MD SHOP QHP Small Business Plans
    • HumanaChoice PPO
    • CareFirst FEP Blue Focus
    • Anthem BCBS Medi Blue Dual Adv
    • Options PPO Cardiac Global
    • Anthem BCBS of VA Key Care POS/PPO/Indemnity
    • CareFirst Blue Preferred PPO
    • IH-PPO
    • MedStar Family Choice DC Healthcare Alliance
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • Optima Family Care MCO - VA Medicaid MCO
    • Aetna Premier 200PD
    • Cigna Achieve Medicare (HMO C-SNP)
    • MultiPlan, Inc
    • Aetna Medicare Advantage PFFS Plan
    • MedStar Family Choice - Maryland Health Choice
    • United Healthcare Select Plus (POS)
    • Kaiser Permanente Signature - Added Choice
    • IH-Open Network Only Plus
    • United Healthcare Options (PPO)
    • UnitedHealthcare Medicare Advantage DSNP District of Columbia
    • Anthem Federal Employee Program Standard
    • Aetna Traditional Choice (PPO)
    • Optimum Choice Preferred (POS)
    • Select HMO/HealthFund/Health Network
    • AmeriHealth Caritas DC Healthcare Alliance
    • CIGNA Connect EPO
    • Navigate
    • Magellan Complete Care of VA - VA Medicaid MCO
    • Cigna Preferred Medicare (HMO)
    • Kaiser Permanente Select - Added Choice
    • Aetna Better Health of VA
    • HealthyBlue PPO
    • CIGNA HMO Open Access
    • BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
    • AMERIVANTAGE/Amerigroup Community Care
    • BlueChoice Open Access
    • TRICARE for Life East
    • CareFirst EPO
    • CareFirst Blue Card Program
    • Johns Hopkins Advantage MD PPO
    • United Healthcare Choice Plus
    • Aetna VA Exchange
    • Blue Choice Advantage
    • Coventry Health Care of Virginia
    • Johns Hopkins Advantage MD HMO
    • Anthem BCBS of VA HealthKeepers Plus
    • Choice Care Network/HUMANA (PPO)
    • Amerigroup DC Alliance
    • Police and Fire Clinic
    • Beech Street PPO
    • Private Health Care Systems (PPO)
    • United Healthcare Navigate Cardiac Global
    • United Healthcare Select HMO - EPO/NPP
    • Private Fee-for-Service Plans (PFFS)
    • CareFirst NASCO
    • Kaiser Permanente Select Cardiac Global
    • Choice POS II
    • CareFirst Group Medicare Advantage prescription drug benefit (PPO)
    • Aetna Signature Administrator PPO/TPA
    • CIGNA HMO & Network (HMO)
    • IH-Open HMO Option
    • CIGNA EPO
    • Johns Hopkins Advantage MD PLUS PPO
    • Sentara Health
    • Medicare Advantage - Advantra Value (PPO)
    • CareFirst Blue Choice Opt Out Plus Open Access (POS)
    • United Student Resources
    • M.D. IPA Preferred (POS)
    • CareFirst Federal Employee Program (Std. & Basic PPO)
    • Healthy Blue (HMO, POS)
    • CareFirst (NCA) Indemnity
    • MedStar Family Choice DC Healthy Families
    • UnitedHealthcare and AARP Medicare Complete Plans
    • Alterwood Advanatge HMO & DSNP Plans
    • BCBS Out-of-State Medicare Plans (Blue Advantage)
    • Aetna Quality Point of Service (POS)
    • CareFirst Administrators
    • United Healthcare Community Plan - VA Medicaid MCO
    • Aetna Elect Choice/ Open Access (POS)
    • Aetna Managed Choice (POS)
    • CareFirst Maryland Point of Service Plan
    • Medicare Direct
    • CIGNA POS/Network POS
    • AmeriHealth Caritas DC Healthy Families
    • CareFirst BlueChoice HMO
    • Tricare Reserve Select
    • IH-Open POS Plus
    • Priority Partners - Maryland Health Choice
    • UnitedHealthcare Individual Exchange Plans
    • Erickson Advantage Plans
    • Choice POS II Open Access
    • CareFirst Group Medicare Advantage
    • UHC Group Medicare Advantage Plans (HMO, POS, PPO)
    • IH-POS
    • M.D. IPA (HMO)
    • Medicare FFS
    • IH-Open POS II
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • Aetna Worker's Compensation Network
    • CareFirst Blue Choice Opt Out Open Access
    • Cigna True Choice Plus Medicare (PPO)
    • Employee Health Plan
    • OA Plus
    • Cigna Alliance Medicare (HMO)
    • NYC Medicare Advantage Plus
    • IH-POS Plus
    • First Health PPO
    • Aetna Classic 3500
    • Kaiser Permanente Flexible Choice POS Cardiac Global
    • Cigna True Choice Medicare (PPO)
    • IH-Open HMO
    • Aetna Student Health Insurance
    • MD IPA (HMO) & MD IPA Preferred Cardiac Global
    • Humana Gold Plus HMO
    • Kaiser Permanente Flexible Choice 3-tier POS
    • Geisinger Medicare Advantage
    • CIGNA SureFit (HMO)
    • HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
    • Aetna Advantage 6350PD
    • UHC Passport
    • CareFirst Maryland Indemnity or PPO
    • CareFirst Community Health Plan of MD
    • IH-Open EPO Plus
    • Kaiser Permanente HMO Plus and DHMO Plus Member
    • TriWest Healthcare Alliance
    • OCI Direct (HMO)
    • Anthem Federal Employee Program Basic
    • Mamsi Life & Health (Indem./PPO)
    • Choice POS
    • CareFirst BlueCross BlueShield Advantage Core/Enhanced
    • Kaiser Permanente Medicare Plus
    • Network OA
    • Cigna TotalCare (HMO D-SNP)
    • TRICARE East Prime
    • Jai Medical Systems - Maryland Health Choice
    • United Healthcare Choice Cardiac Global
    • United Healthcare Choice Plus Cardiac Global
    • CIGNA PPO
    • Anthem BCBS Medi Blue SNP
    • First Health PPO
    • Mamsi Life & Health (Indem./PPO) Cardiac Global
    • Aetna Medicare Advantage HMO & PPO Plans

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.