John Gnann, MD

John Gnann, MD is a internal medicine in Charleston, SC with about 48 yrs in practice.

• SpecialtyInternal Medicine
• Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE (1978)
• TelehealthOffers telehealth visits
• Practice size1,640 clinicians
• Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
• Medicare activity~39 patients across 44 services, avg age 70

Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.