Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Bonnie Catherine Callahan, MD

Individual provider Internal Medicine Physician · NPI 1073728218

Bonnie Catherine Callahan, MD is an Internal Medicine in Newark, Delaware. Graduated from Jefferson Medical College of Thomas Jefferson University in 2003, 23 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Delaware and Pennsylvania.

Years since qualifying
23
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
DE, PA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4755 Ogletown Stanton Rd Ste 5A43
Newark, DE 19718-2200
Phone: (302) 623-0188
Fax: (302) 733-5640
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1601 Kirkwood Hwy, Wilmington, DE 19805-4917 — (302) 994-2511

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD431222 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence C1-0012787 (DE)

Record details

NPI number1073728218
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2007
Last updated in NPPESSeptember 11, 2024
Certification dateSeptember 11, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2003 (23 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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