Dr. William Thomas Callahan , MD
Specialist • Gainesville, GA
Professional Overview & Biography Verified Profile Summary
Dr. William Callahan, MD is a registered healthcare professional specializing in Specialist in Gainesville, GA. Practice services are available at 663 LANIER PARK DR under active NPI credentials.
Practice Location & Contact Primary Location
663 Lanier Park Dr
Gainesville, GA 30501
Specialty Benchmarks & Practice Insights
Comparative analytics for Specialist in Gainesville, GA
Practicing in Gainesville, GA (979 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 174400000X
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Additional State Medicaid & Healthcare Payer Identifiers
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Nurse Practitioner - Acute Care
Adult-Gerontology Acute Care Nurse Practitioner (Board Certified)
Nurse Practitioner - Family
Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)
Nurse Practitioner - Family
Family Nurse Practitioner (Certified)
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 663 LANIER PARK DR, GAINESVILLE, GA 30501 (Tel: 7705368109)
Registered at 663 LANIER PARK DR, GAINESVILLE, GA 305012059 (Tel: 7705368109)
Recorded as WILLIAM CALLAHAN, MD
Specialist (License #14469 in GA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
663 Lanier Park Dr
Gainesville, GA 305012059
Phone: 7705368109
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