Dr. Callaghan is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
1481 W 10th St
Indianapolis, IN 46202Phone+1 317-988-2624Fax+1 317-988-9264
Education & Training
- University of MinnesotaResidency, Internal Medicine, 1971 - 1971
- University of MinnesotaInternship, Internal Medicine, 1969 - 1970
- University of Kentucky College of MedicineClass of 1969
Certifications & Licensure
- IN State Medical License 1979 - 2025
- MN State Medical License 1972 - 2025
- American Board of Internal Medicine Internal Medicine
Publications & Presentations
PubMed
- 409 citationsOlanzapine. Pharmacokinetic and pharmacodynamic profile.John T. Callaghan, Richard F. Bergstrom, Louis R. Ptak, Charles M. Beasley
Clinical Pharmacokinetics. 1999-09-01 - 155 citationsClinical Pharmacogenetics Implementation Consortium Guidelines for Human Leukocyte Antigen-B Genotype and Allopurinol DosingMichael S. Hershfield, J T Callaghan, Wichittra Tassaneeyakul, T Mushiroda, Caroline F. Thorn
Clinical Pharmacology and Therapeutics. 2013-02-01 - 153 citationsClinical pharmacogenetics implementation consortium guidelines for CYP2C9 and HLA-B genotypes and phenytoin dosing.Kelly E. Caudle, Allan E. Rettie, Michelle Whirl-Carrillo, L H Smith, Scott Mintzer
Clinical Pharmacology and Therapeutics. 2014-11-01
Journal Articles
- Pharmacogenetic Testing in the Veterans Health Administration (VHA): Policy Recommendations from the VHA Clinical Pharmacogenetics SubcommitteeJason L Vassy, Steven A Schichman, John T Callaghan, Nature
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: