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Dr. John Corless, MD

Dr. John Corless, MD

Charleston, SC

42 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Corless, Specialist in Charleston, SC?

    Dr. John Corless, MD is a Specialist, who primarily practices in Charleston, SC with 1 additional practice location. He has been practicing for over 42 years and is board certified. Dr. Corless graduated from Georgetown University School of Medicine and completed his residency at Med Coll Of Ga Hosp & Cli, Gastroenterology; Med Univ Sc Med Ctr, Internal Medicine. Dr. Corless is fluent in English and German, and is currently seeing new patients. Dr. Corless’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Corless’s office at (843) 792-1414.

    Where did Dr. Corless go to medical school and complete their residency?

    • Residency: Med Coll Of Ga Hosp & Cli, Gastroenterology; Med Univ Sc Med Ctr, Internal Medicine | Trident Medical Center/Medical University of South Carolina Program

    • Medical School: Georgetown Univ Sch of Med, Washington Dc | Georgetown University School of Medicine

    Is Dr. Corless board certified as a Specialist?

    Yes, Dr. John Corless, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Corless speak?

    Dr. Corless and their clinical team can communicate with patients in the following languages:

    • English

    • German

    What conditions does a Specialist like Dr. Corless typically treat?

    As a Specialist, Dr. Corless diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Corless. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Other Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Swallowing problems

    ICD-10 Codes:

    • R1319: Other dysphagia

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Condition
    • Duodenal Condition
    • Digestive System Problem

    ICD-10 Codes:

    • K319: Disease of stomach and duodenum, unspecified

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    What procedures does a Specialist like Dr. Corless typically perform?

    As a Specialist, Dr. Corless performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Corless. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Colonoscopy with Injections
    • EGD with Esophageal Balloon Dilation
    • Diagnostic Upper Endoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample

    CPT Codes:

    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Esophageal Dilation (Bougie)
    • Esophageal Widening
    • Bougie Dilation of Esophagus
    • Swallowing Tube Dilation

    CPT Codes:

    • 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes

    Does Dr. Corless accept my insurance?

    Dr. Corless accepts most major insurance plans. Important: Please call our office at (843) 792-1414 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Corless accept in Charleston, SC?

    Dr. Corless in Charleston, SC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Blue Cross Blue Shield of South Carolina

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Medicare

    • Molina Healthcare

    • State of South Carolina

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Corless' office located?

    Dr. John Corless' Primary Practice

    171 Ashley Ave

    Charleston, SC 29425

    (843) 792-1414

    Get Directions

    Dr. John Corless' Practice 2

    1962 Charlie Hall Blvd

    Charleston, SC 29414

    Get Directions

    What is Dr. Corless's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Corless's National Provider Identifier (NPI) number is 1962408443.

    What common questions do patients ask about Dr. Corless?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Corless

    What is Dr. John Corless's specialty?

    Dr. Corless is a Specialist near Charleston, SC.

    Is this Dr. John Corless affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Corless is affiliated with Musc Health University Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is John Corless accepting new patients in Charleston, SC?

    Yes, Dr. John Corless is accepting new patients at this time.

    Does Dr. John Corless offer online booking?

    Please contact Dr. Corless's office at (843) 792-1414 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Corless?

    Please contact Dr. Corless's office at (843) 792-1414 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Corless have?

    Dr. John Corless is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>