John T Callahan , RPH
Pharmacist • Saint Louis, MO
Professional Overview & Biography Verified Profile Summary
John Callahan, RPH is a registered healthcare professional specializing in Pharmacist in Saint Louis, MO. Practice services are available at 1 JEFFERSON BARRACKS DR under active NPI credentials.
Practice Location & Contact Primary Location
1 Jefferson Barracks Dr
Saint Louis, MO 631254181
Specialty Benchmarks & Practice Insights
Comparative analytics for Pharmacist in Saint Louis, MO
Practicing in Saint Louis, MO (5469 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-05-01NUCC Taxonomy Code: 183500000X
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
NUCC Taxonomy Code: 183500000X
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
NUCC Taxonomy Code: 183500000X
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
Secondary Practice Locations
915 N Grand Blvd
Saint Louis, MO 631061621
Phone: 3142242793
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Pharmacist
Registered Pharmacist
Career & Practice History Timeline
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Registered at 1 JEFFERSON BARRACKS DR, SAINT LOUIS, MO 631254181 (Tel: 3148946570)
Registered at 901 WASHINGTON AVE UNIT 504, SAINT LOUIS, MO 631011259 (Tel: 7195108155)
Pharmacist (License #051303891 in IL)
Registered at 3475 N SARATOGA ST RM 140, OAK HARBOR, WA 982788209 (Tel: 7195108155)
Registered at 5853 SANDS WAY APT A, ANACORTES, WA 982214806 (Tel: 3602579706)
NPI status registered as active in NPPES database
Registered at 5645 JARMAN ST, COLORADO SPRINGS, CO 809068209 (Tel: 7195108155)
Registered at 5645 JARMAN ST, COLORADO SPRINGS, CO 809068209 (Tel: 7195108155)
Recorded as JOHN CALLAHAN, R.PH.
Pharmacist (License #10452 in CO)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
901 Washington Ave Unit 504
Saint Louis, MO 631011259
Phone: 7195108155
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.