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Dr. John Ryan, MD

Las Vegas, NV

24 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. John Ryan, MD is a Gastroenterologist, who primarily practices in Las Vegas, NV with 1 additional practice location. He has been practicing for over 24 years and is board certified. Dr. Ryan is fluent in English, French, and Persian, and is currently seeing new patients. Dr. Ryan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ryan’s office at (702) 483-4483.

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

    • Medical School: University of South Carolina

    What languages does Dr. Ryan speak?

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

    • English

    • French

    • Persian

    What conditions does Dr. Ryan treat?

    As a Gastroenterologist, Dr. Ryan 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. Ryan. 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:

    • Change in Bowel Habits
    • Abnormal Bowel Movements
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping
    • Unusual stool
    • Changes in poop
    • Fecal changes

    ICD-10 Codes:

    • R194: Change in bowel habit
    • R195: Other fecal abnormalities

    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:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    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:

    • Abnormal Digestive Tract Imaging
    • Abnormal Liver or Bile Duct Imaging
    • Abnormal GI scan
    • Unusual digestive imaging
    • Digestive system imaging findings
    • Abnormal liver scan
    • Unusual bile duct imaging
    • Liver imaging findings

    ICD-10 Codes:

    • R933: Abnormal findings on diagnostic imaging of other parts of digestive tract
    • R932: Abnormal findings on diagnostic imaging of liver and biliary tract

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

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

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    Also known as:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum

    Also known as:

    • Family History of Digestive Organ Cancer
    • Cancer
    • Family History
    • Genetic risk for gastrointestinal cancer
    • Family history of GI cancer
    • Hereditary digestive cancer

    ICD-10 Codes:

    • Z800: Family history of malignant neoplasm of digestive organs

    Also known as:

    • Heartburn
    • Acid Reflux
    • Indigestion
    • GERD Symptoms

    ICD-10 Codes:

    • R12: Heartburn

    Also known as:

    • Abdominal Bloating
    • Gas
    • Gas in the Digestive Tract
    • Bloated Stomach
    • Swollen Belly
    • Gaseous Distension

    ICD-10 Codes:

    • R140: Abdominal distension (gaseous)

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified

    Also known as:

    • Large Intestine Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Colon Diverticula
    • Pockets in the Colon

    ICD-10 Codes:

    • K5730: Diverticulosis of large intestine without perforation or abscess without bleeding

    Also known as:

    • Benign Colon Polyp
    • Benign Tumor
    • Colonic Disease
    • Colon Polyps
    • Non-cancerous colon growth
    • Colon adenoma
    • Benign colon tumor

    ICD-10 Codes:

    • D126: Benign neoplasm of colon, unspecified

    Also known as:

    • Diaphragmatic Hernia
    • Hernia
    • Hiatal Hernia
    • Hernia of the Diaphragm

    ICD-10 Codes:

    • K449: Diaphragmatic hernia without obstruction or gangrene

    Does Dr. Ryan accept my insurance?

    Dr. Ryan accepts most major insurance plans. Important: Please call our office at (702) 483-4483 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Alignment Health Plan

    • Centene

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medicare

    • Partners Healthcare

    • Unite Here Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ryan's office located?

    Dr. John Ryan's Primary Practice

    9260 W Sunset Rd Ste 306

    Las Vegas, NV 89148

    (702) 483-4483

    Get Directions

    Dr. John Ryan's Practice 2

    10001 S Eastern Ave Ste 200

    Henderson, NV 89052

    (702) 483-4483

    Get Directions

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

    Dr. Ryan's National Provider Identifier (NPI) number is 1073695698.

    What common questions do patients ask about Dr. Ryan?

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

    What is Dr. John Ryan's specialty?

    Dr. Ryan 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. Ryan to book an appointment today.

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

    Yes, Dr. Ryan is affiliated with Southern Hills Hospital & Medical Center, Mountainview Hospital 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 John Ryan accepting new patients in Las Vegas, NV?

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

    Does Dr. John Ryan offer online booking?

    Please contact Dr. Ryan's office at (702) 483-4483 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Ryan?

    Please contact Dr. Ryan's office at (702) 483-4483 for information regarding telehealth appointment availability or for scheduling assistance.

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