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

Dr. Michael Harris Callahan, MD

Individual provider Otolaryngic Allergy Physician · NPI 1063564243

Dr. Michael Harris Callahan, MD is an Otolaryngology in Gainesville, Georgia. Graduated from Medical College of Georgia School of Medicine in 1996, 30 years ago. Practices with Northeast Georgia Otolaryngology, a 12-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
30
Trained at
Medical College of Georgia School of Medicine
Licensed in
GA
In the registry since
2007
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

584 Lanier Park Dr
Gainesville, GA 30501-2000
Phone: (770) 534-5208
Fax: (770) 534-8512
Show map & directions

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

Specialties & licences

Otolaryngic Allergy Physician (primary) Taxonomy 207YX0602X · Licence 045050 (GA)

Record details

NPI number1063564243
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 17, 2007
Last updated in NPPESOctober 4, 2011

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Northeast Georgia Otolaryngology — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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