Dr. John Corless, MD

Dr. John Corless, MD

Gastroenterology  |  
Male  |  
Age 67
(28)
Insurances AcceptedSave
Dr. John Corless, MD is a gastroenterology doctor who practices in Charleston, SC. He is 67 years old.

1962 Charlie Hall Blvd

Charleston, SC 29414

Contact Information

(843) 722-8000

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Corless

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Corless performs your care needs compared to other doctors.

Diarrhea
very high
more than 99% of peers
Constipation
very high
more than 99% of peers
Abdominal Pain
very high
more than 99% of peers

Dr. Corless's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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2

Specialties

  • Gastroenterology
  • Internal Medicine
2

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
83

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Anal Prolapse
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colorectal Cancer
  • Constipation
  • Copper Metabolism Disorders
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Heartburn
  • Hemorrhoids
  • Hepatitis A
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Atresia
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Damage from Alcohol
  • Malnutrition
  • Meckel's Diverticulum
  • Megacolon
  • Nausea
  • Non-Alcoholic Fatty Liver Disease
  • Non-Neonatal Jaundice
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Stomal Ulcer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Viral Hepatitis
  • Vomiting Disorders

More

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9

Procedures

  • Anoscopy
  • Bile Duct Procedure
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Gastroenterology Procedures
  • Hemorrhoidectomy or Excision of Anal Tags
  • Liver Biopsy
  • Manometry

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for South Carolina.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Georgetown University School Of Medicine
    Medical School | Graduated
  • Med University Sc
    Internship Hospital | Completed
  • Med University Sc
    Residency Hospital | Completed
  • Mc Ga
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Corless has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Corless does not have any memberships or affiliations listed. If you are Dr. Corless and would like to add memberships or affiliations, please update your profile.

Dr. Corless' Reviews

Likelihood of recommending Dr. Corless to family and friends
3.0
based on 28 total reviews (7 with comments)

Likelihood to Recommend (28)

  • 5
    (12)
  • 4
    (1)
  • 3
    (1)
  • 2
    (2)
  • 1
    (12)

Dr. Corless' Performance

Trustworthiness
GOOD
Explains condition(s) well
GOOD
Answers Questions
GOOD
Time well spent
GOOD

Office & Staff Performance

Scheduling
VERY GOOD
Office environment
EXCELLENT
Staff friendliness
EXCELLENT
Average wait time
16 to 30 minutes

Patient Comments (7)

in Charleston, SC |
Dr. Corless was rude and curt. He was apparently on a timer because he said, "they are pissed off at me because I'm taking too long". And he had only been with me for about 5 minutes. I feel like Dr. Corless gave me a 'bums' rush. Will not accept another appointment with him.
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in North Charleston, SC |
could not of asked for better treatment and handling of my circumstances. Dr. Corless is a professional with an exceptional bedside manner!
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in Mount Pleasant, SC |
He did not listen, he did not care, and he did not think. After all was done he told us to go to Musc.
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in Charleston, SC |
I don't know why Healthgrades won't publish my last review, but here goes: I wouldn't go back to Dr. Corless if he was the last doctor on the planet. He was dismissive, rude, made racist comments (I'm white and apparently he thought it was okay to make the racist comments) and was overall cold...more
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Daniel Island, SC |
It is painfully obvious that this doctor needs to retire. He was an hour late for my appt, took 2 personal calls during my appt and then was very rude and made inappropriate jokes during my visit. I have since switched to a clearly better trained doctor within the practice. The staff and office are...more
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Visit Dr. Corless

Now Accepting New Patients
Dr. Corless accepts 6 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Blue Cross Blue Shield
    Blue Card PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    LocalPlus
    Open Access Plus
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Humana
    Choice Care PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Corless has admitting privileges

Roper St. Francis Healthcare - Bon Secours St. Francis Hospital
2095 Henry Tecklenburg Dr
Charleston, SC 29414
View Hospital Profile
Roper Hospital
316 Calhoun St
Charleston, SC 29401
View Hospital Profile

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