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

Dr. John K Corless, MD

Individual provider Specialist · NPI 1962408443

Dr. John K Corless, MD is a Gastroenterology in Charleston, South Carolina. Qualified in 1977, 49 years ago. Practices with University Medical Associates of the Medical University of South Carol, a 1,640-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
49
Licensed in
SC
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1962 Charlie Hall Blvd
Charleston, SC 29414-5837
Phone: (843) 722-8000
Fax: (843) 723-7850
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 8734 (SC)

Record details

NPI number1962408443
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Group practice University Medical Associates Of The Medical University Of South Carol — 1640 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Charleston