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  • Pediatrics, Pediatric Cardiology
  • 35 years of experience
  • Inova Childrens Cardiology Shady Grove 14955 Shady Grove Rd Ste 150, Rockville, MD 20850

Brief Intro

Dr. Callahan received his medical degree at SUNY Health Science Center in Syracuse, New York. He completed his pediatric internship and residency at George Washington University’s Children's National Medical Center, where he also completed his pediatric cardiology and pediatric and fetal echocardiography fellowships. Dr. Callahan is board certified in pediatric cardiology. He is a fellow of the American Academy of Pediatrics and a member of the American Society of Echocardiography and the American Heart Association. Dr. Callahan joined a private practice pediatric cardiology group in Dallas, Texas, before returning to the Washington, D.C. area as faculty at Georgetown University Hospital. He joined Child Cardiology Associates in 2003. His clinical interests include the diagnosis and treatment of heart disease in the fetus and child, with a focus in echocardiography. He is the medical director of pediatric and fetal echocardiography at CCA. Dr. Callahan is proud to have been recognized by his peers as a Top Doctor in the Washingtonian and Northern Virginia magazines. Dr. Callahan enjoys landscaping and spending free time with his wife and four daughters.

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Education Background

RESIDENCY

Childrens National Medical Center

MEDICAL SCHOOL

Suny Upstate Medical University College Of Medicine - 1990

Languages Spoken

  • English
  • Spanish

Location & Hours

  • Inova Childrens Cardiology Shady Grove
  • 14955 Shady Grove Rd Ste 150, Rockville, MD 20850
  • Mon:8:00 am - 5:00 pm
    Tue:8:00 am - 5:00 pm
    Wed:7:30 am - 4:00 pm
    Thu:8:00 am - 5:00 pm
    Fri:8:00 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Pediatric Cardiology
  • Pediatrics

Conditions Addressed

  • Aortic Regurgitation
  • Attention Deficit Disorder (ADD)
  • Autism
  • Mitral Stenosis
  • Congenital Anomalies of the Heart
  • Anxiety Phobic Disorders
  • Mitral Valvular Disease
  • Eczema
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Procedures Performed

  • Echocardiogram

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • CareFirst Blue Cross Blue Shield
  • Medicare
  • Aetna Better Health
  • Aetna
  • UnitedHealthcare
  • Tricare
  • Cigna
  • Trusted Health Plan
  • Optima Health
  • Blue Cross Blue Shield
  • Johns Hopkins Employer Health Programs
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  • Cancer 16
  • Cardiology, Heart & Vascular Surgery 9
  • Orthopedics 27
  • Neurology & Neurosurgery 18
  • Gastroenterology & GI Surgery 26
  • Pulmonology & Lung Surgery 30
  • Diabetes & Endocrinology 25
  • Children's Hospital 5
  • Urology 24
  • Psychiatry 11
  • Geriatrics 29
  • Rehabilitation 5
  • Obsterics & Gynecology 10
  • Ophthalmology 1
  • Ear, Nose & Throat 3
  • Rheumatology 1
  • Long Term Care 2
  • Maternity Care (Uncomplicated Pregnancy) 21