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Dr. John Duque, MD

Chula Vista, CA

38 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Duque, Gastroenterologist in Chula Vista, CA?

    Dr. John Duque, MD is a Gastroenterologist, who primarily practices in Chula Vista, CA. He has been practicing for over 38 years and is board certified by the American Board of Internal Medicine. Dr. Duque completed his residency at Scripps Clinic, Gastroenterology; Univ Ca Irvine Med Ctr, Internal Medicine; Orange County Med Ctr, Internal Medicine. Dr. Duque is fluent in English and Spanish, and is currently seeing new patients. Dr. Duque’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Duque’s office at (619) 691-0240.

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

    • Residency: Scripps Clinic, Gastroenterology; Univ Ca Irvine Med Ctr, Internal Medicine; Orange County Med Ctr, Internal Medicine

    • Medical School: University of Ca, San Diego, Sch of Med, La Jolla Ca

    Is Dr. Duque board certified in Gastroenterologist?

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

    What languages does Dr. Duque speak?

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

    • English

    • Spanish

    What conditions does Dr. Duque treat?

    As a Gastroenterologist, Dr. Duque 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. Duque. 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:

    • Stomach Inflammation
    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding
    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    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:

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

    ICD-10 Codes:

    • K449: Diaphragmatic hernia without obstruction or gangrene

    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:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K921: Melena
    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Indigestion
    • Gas in the Digestive Tract
    • Indigestion (Dyspepsia)
    • Dyspepsia
    • Upset Stomach
    • Stomach Discomfort

    ICD-10 Codes:

    • K30: Functional dyspepsia

    Also known as:

    • Upper Middle Abdominal Pain
    • Pain in Lower Left Abdomen
    • Abdominal Pain
    • Pelvic Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain
    • Left lower quadrant pain
    • Pain in left side of belly
    • Left side abdominal discomfort

    ICD-10 Codes:

    • R1013: Epigastric pain
    • R1032: Left lower quadrant pain

    Also known as:

    • Esophagitis
    • Barrett's Esophagus
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Inflammation of the Esophagus
    • Sore Esophagus
    • Esophageal Inflammation
    • Barrett's condition
    • Esophageal metaplasia

    ICD-10 Codes:

    • K2090: Esophagitis, unspecified without bleeding
    • K2270: Barrett's esophagus without dysplasia

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Pre-Procedure Lab Tests
    • Pre-op blood work
    • Lab tests before surgery
    • Pre-treatment lab assessment

    ICD-10 Codes:

    • Z01812: Encounter for preprocedural laboratory examination

    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:

    • History of large intestine cancer
    • Colorectal Cancer
    • Past colon cancer
    • Colorectal cancer survivor
    • Previous large bowel malignancy

    ICD-10 Codes:

    • Z85038: Personal history of other malignant neoplasm of large intestine

    Also known as:

    • Ulcerative Colitis
    • Colitis
    • Inflammatory Bowel Disease (IBD)
    • Chronic Colitis

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications

    Does Dr. Duque accept my insurance?

    Dr. Duque accepts most major insurance plans. Important: Please call our office at (619) 691-0240 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Duque accept in Chula Vista, CA?

    Dr. Duque in Chula Vista, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Health Plan

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • OptumRx

    • Other Support Agencies/Consultants

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Duque's office located?

    Dr. John Duque's Primary Practice

    480 Fourth Ave Ste 316

    Chula Vista, CA 91910

    (619) 691-0240

    Get Directions

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

    Dr. Duque's National Provider Identifier (NPI) number is 1295710747.

    What common questions do patients ask about Dr. Duque?

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

    What is Dr. John Duque's specialty?

    Dr. Duque is a Gastroenterologist near Chula Vista, CA. 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. Duque to book an appointment today.

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

    Yes, Dr. Duque is affiliated with Sharp Chula Vista Medical Center, Scripps Mercy Hospital San Diego 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 Duque accepting new patients in Chula Vista, CA?

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

    Does Dr. John Duque offer online booking?

    Please contact Dr. Duque's office at (619) 691-0240 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Duque?

    Please contact Dr. Duque's office at (619) 691-0240 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Duque have?

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

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