Dr. John K. Corless
- Gender: Male
- Experience: 44 years
- Sole propriator: No
- NPI: 1962408443
Dr. John K. Corless MD
Gastroenterologist
He is located at 1962 Charlie Hall Boulevard in Charleston, SC 29414. Can help patients with the following: Colonoscopy, Fatty Liver Disease, Gastroparesis, Heartburn, Prescription Refill, Stomach Cancer. His National Provider Identifier (NPI) number is 1962408443. Appointment can be made via the phone number (843) 722-8000. He is affiliated with 3 practices.
Conditions treated
Dr. John K. Corless, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John K. Corless.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. John K. Corless
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John K. Corless as in-network for the following 2026 plans.
Health plans
First Choice Next
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 8 plans from First Choice Next
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| First Choice Next Bronze Essential | HMO · Bronze | Preferred | Accepting new patients |
| First Choice Next Bronze Premier | HMO · Expanded Bronze | Preferred | Accepting new patients |
| First Choice Next Bronze Signature | HMO · Expanded Bronze | Preferred | Accepting new patients |
| First Choice Next Gold Premier | HMO · Gold | Preferred | Accepting new patients |
| First Choice Next Gold Signature | HMO · Gold | Preferred | Accepting new patients |
| First Choice Next Silver Essential | HMO · Silver | Preferred | Accepting new patients |
| First Choice Next Silver Premier | HMO · Silver | Preferred | Accepting new patients |
| First Choice Next Silver Signature | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John K. Corless is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. John K. Corless is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: University Medical Associates Of The Medical University Of South Carol
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Salix Pharmaceuticals | $1254 |
| AbbVie | $1216 |
| Gilead Sciences | $1061 |
Other
| Food and Beverage | $4892 |
| Travel and Lodging | $822 |
Additional Specialities
- Internist
- Specialist
Affiliated practices
Looking for more Gastroenterologists?
Out of the 11 gastroenterologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 35 Bill Fries Drive Building F Hilton Head Island, 29926, SC
- Gender: Male
- Address: 2073 Charlie Hall Boulevard Charleston, 29414, SC
- Gender: Male
- Address: 1962 Charlie Hall Boulevard Charleston, 29414, SC
- Gender: Male
- Address: 1962 Charlie Hall Boulevard Charleston, 29414, SC
- Gender: Male
- Address: 1962 Charlie Hall Boulevard Charleston, 29414, SC
- Gender: Male
- Address: 1962 Charlie Hall Boulevard Charleston, 29414, SC
- Gender: Male
- Address: 1962 Charlie Hall Boulevard Charleston, 29414, SC
- Gender: Male
- Address: 1962 Charlie Hall Boulevard Charleston, 29414, SC
- Gender: Male
- Address: 1962 Charlie Hall Boulevard Charleston, 29414, SC
Questions & Answers
What conditions does Dr. John K. Corless treat?
Dr. John K. Corless provides treatment for Colonoscopy, Fatty Liver Disease, Gastroparesis, Heartburn, Prescription Refill, Stomach Cancer. For the full list see this list.
Does Dr. John K. Corless have affiliation with practices?
Dr. John K. Corless is affiliated with Palmetto Anesthesia of Charleston LLC. For the full list of practices see this list.
Does Dr. John K. Corless accept patients with First Choice Next?
Yes, Dr. John K. Corless is listed in-network for First Choice Next through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. John K. Corless?
Dr. John K. Corless's office is located at 1962 Charlie Hall Boulevard in Charleston, SC 29414.