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Dr. Gregory Martin Kwok, MD

Dr. Gregory Martin Kwok, MD

Las Vegas, NV

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Kwok, Gastroenterologist in Las Vegas, NV?

    Dr. Gregory Martin Kwok, MD is a Gastroenterologist, who primarily practices in Las Vegas, NV with 1 additional practice location. Dr. Kwok graduated from University of Texas Southwestern Medical School, Dallas and completed his residency at Cedars-Sinai Medical Center. Dr. Kwok is fluent in English and Spanish, and is currently seeing new patients. Dr. Kwok’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kwok’s office at (702) 796-0231.

    What are Areas of Expertise for Dr. Kwok?

    Dr. Gregory Martin Kwok, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Kwok empowers patients to confidently navigate their health journey, specializing in Gastroesophageal Reflux Disease (GERD), Gastrointestinal Functional Disorders, or comprehensive wellness support. Serving the Las Vegas/NV community, Dr. Kwok is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Cedars-Sinai Medical Center

    • Medical School: University of Texas Southwestern Medical School, Dallas

    What languages does Dr. Kwok speak?

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

    • English

    • Spanish

    What conditions does Dr. Kwok treat?

    As a Gastroenterologist, Dr. Kwok 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. Kwok. 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.

    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:

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

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Also known as:

    • Heartburn
    • Acid Reflux
    • Indigestion
    • GERD Symptoms

    ICD-10 Codes:

    • R12: Heartburn

    Also known as:

    • Barrett's Esophagus
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Barrett's condition
    • Esophageal metaplasia

    ICD-10 Codes:

    • K2270: Barrett's esophagus without dysplasia

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R1319: Other dysphagia

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    What procedures does Dr. Kwok perform?

    As a Gastroenterologist, Dr. Kwok 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. Kwok. 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.

    Also known as:

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

    CPT Codes:

    • 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
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    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:

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

    CPT Codes:

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

    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

    Also known as:

    • Hemorrhoid Removal with Rubber Band Ligation
    • Rubber Band Ligation for Hemorrhoids
    • Internal Hemorrhoid Ligation
    • Banding of Hemorrhoids
    • Hemorrhoid Banding

    CPT Codes:

    • 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Anoscopy (Diagnostic)
    • Anoscopy
    • Anal Canal Exam
    • Rectal Scope Exam
    • Anus Diagnostic Procedure

    CPT Codes:

    • 46600: Anoscopy; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Capsule Endoscopy
    • Pill Camera
    • Wireless Capsule Endoscopy
    • Small Bowel Capsule Endoscopy
    • Intestinal Imaging Pill

    CPT Codes:

    • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

    Does Dr. Kwok accept my insurance?

    Dr. Kwok accepts most major insurance plans. Important: Please call our office at (702) 796-0231 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Kwok accept in Las Vegas, NV?

    Dr. Kwok in Las Vegas, NV accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medicare

    • Pentair

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Kwok's office located?

    Dr. Gregory Martin Kwok's Primary Practice

    6950 S Cimarron Rd Ste 200

    Las Vegas, NV 89113

    (702) 796-0231

    Get Directions

    Dr. Gregory Martin Kwok's Practice 2

    3820 S Hualapai Way Ste 200

    Las Vegas, NV 89147

    (702) 796-0231

    Get Directions

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

    Dr. Kwok's National Provider Identifier (NPI) number is 1952353997.

    What common questions do patients ask about Dr. Kwok?

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

    What is Dr. Gregory Martin Kwok's specialty?

    Dr. Kwok is a Gastroenterologist near Las Vegas, NV. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Kwok to book an appointment today.

    Is this Dr. Gregory Martin Kwok affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Kwok is affiliated with St. Rose Dominican Hospital - San Martin Campus, Southern Hills Hospital & Medical Center which are a Castle Connolly Top Hospitals. 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

    Where can I learn more about Gastroenterologist?

    Explore Gastroenterologist with 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 Gregory Martin Kwok accepting new patients in Las Vegas, NV?

    Yes, Dr. Gregory Martin Kwok is accepting new patients at this time.

    Does Dr. Gregory Martin Kwok offer online booking?

    Please contact Dr. Kwok's office at (702) 796-0231 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gregory Martin Kwok?

    Please contact Dr. Kwok's office at (702) 796-0231 for information regarding telehealth appointment availability or for scheduling assistance.

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