Summary

Dr. David Callahan is an Internal Medicine physician who also specializes in Critical Care Medicine. He earned his medical degree from Philadelphia College of Osteopathic Medicine and completed his residency at Christiana Care Health System. With 47 years of medical experience, Dr. Callahan brings extensive knowledge to his practice. He provides care in English.

Dr. Callahan is affiliated with Wilmington VA Medical Center and practices at multiple locations throughout Wilmington and Newark, Delaware. His expertise includes treating chronic bronchitis, chronic lung disease, and COPD. He performs specialized testing procedures such as pulmonary function testing and bronchodilator reversibility testing to help diagnose breathing conditions. Patients rate Dr. Callahan 4.6 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • 4.5
  • 47 years of experience
  • 21 insurance plans accepted
  • speaks English
  • Christiana Care Health System
  • 6 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. David M Callahan has 4 locations

Wilmington Va Medical Center

1601 Kirkwood HwyWilmington, DE 19805

Christiana Hospital

4755 Ogletown Stanton RdNewark, DE 19718

Christianacare Wilmington Hospital

501 W 14th StWilmington, DE 19801

Select Specialty Hospital Wilmington

501 W 14th St Fl 9Wilmington, DE 19801

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Dr. David M Callahan, DODr. Sabina Sharmeen, MDDorothy F. Alveranga, CRNPDr. Leo Zacharias, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
47 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
Wilmington , DESecane , PADarby , PADarby , PA
Med School: Philadelphia College Of Osteopathic Medicine Med School: Dhaka Medical College Med School: St. Georges University School of Medicine
Current Profile
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Insurance Plans Accepted by Dr. David M Callahan

  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - PPO
  • Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • Highmark Blue Cross Blue Shield - Medicaid (Managed)
  • Highmark Blue Cross Blue Shield of Delaware
  • Highmark Blue Cross Blue Shield of Delaware - PPO
  • Humana
  • Independence Blue Cross
  • Keystone First
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Transamerica
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO

Medical Specialties

Dr. David M Callahan has the following 2 specialties

Specialty Expertise

Dr. David M Callahan has the following 2 areas of expertise

  • Alzheimer's Disease
  • Critical Care Medicine

Certifications, License, & Education

47 Years Experience

Dr. David M Callahan holds an active medical license in the state of Delaware.

Medical License

Doctor Of Osteopathy with an active medical license in the state of Delaware that expires in 2027.

Education & Training

Residency

Completed their residency at Christiana Care Health System.

Medical School

Graduated from Philadelphia College Of Osteopathic Medicine in 1979.

NPI Number

Dr. Callahan's NPI number is 1386660157.

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Frequently Asked Questions

Is Dr. David Callahan accepting new patients?
Dr. David Callahan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. David Callahan affiliated with?
Dr. David Callahan is affiliated with Wilmington Va Medical Center.
Does Dr. David Callahan accept virtual/telehealth appointments?
Dr. David Callahan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. David Callahan?
You can find contact information for Dr. David Callahan here on Vitals.
Does Dr. David Callahan accept my insurance?
You can see the insurance plans that Dr. David Callahan accepts on their Vitals profile.

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