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Internist, Hematology Specialist, Oncology Specialist (cancer)
48 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Thomas Callan, MD is board certified in Internal Medicine, Hematology, and Medical Oncology.


Education & Awards

Dr. Callan graduated from Georgetown University, Washington.


Affiliations

Dr. Callan has 3 hospital affiliations:

  • Grossmont Hospital 
  • Sharp Coronado Hospital and Healthcare Center 
  • Alvarado Hospital 

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Additional Information
Dr. Thomas William Callan MD is a male Internist, has 48 years of experience and practices in Internal Medicine, Hematology, and Medical Oncology.
Where does Dr. Thomas W. Callan practice?
Dr. Thomas Callan has 2 office locations.
Dr. Thomas Callan practices Internal Medicine, Hematology, and Medical Oncology near La Mesa, CA.
Additional practice locations include: El Cajon, CA.
See La Mesa Internists, La Mesa Hematologists, and La Mesa Oncologists.