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Dr. Matthew Tsai, MD, PHD

San Diego, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Tsai, Gastroenterologist in San Diego, CA?

    Dr. Matthew Tsai, MD, PHD is a Gastroenterologist, who primarily practices in San Diego, CA with 1 additional practice location. He is board certified. Dr. Tsai is fluent in English, and is currently seeing new patients. Dr. Tsai’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tsai’s office at (619) 543-5840.

    What languages does Dr. Tsai speak?

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

    • English

    What conditions does Dr. Tsai treat?

    As a Gastroenterologist, Dr. Tsai 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. Tsai. 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:

    • Benign Cecum Polyp
    • Benign Ascending Colon Polyp
    • Benign Transverse Colon Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous cecum growth
    • Cecal adenoma
    • Cecum benign tumor
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor
    • Non-cancerous transverse colon growth
    • Transverse colon adenoma
    • Transverse colon benign tumor

    ICD-10 Codes:

    • D120: Benign neoplasm of cecum
    • D122: Benign neoplasm of ascending colon
    • D123: Benign neoplasm of transverse colon

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Crohn's Disease of the Small Intestine
    • Crohn's Disease
    • Crohn’s Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Ileitis
    • Complicated Crohn's Disease
    • Inflammatory Bowel Disease (IBD) with Complications
    • Regional Enteritis with Complications

    ICD-10 Codes:

    • K5000: Crohn's disease of small intestine without complications
    • K50919: Crohn's disease, unspecified, with unspecified complications

    Also known as:

    • Abnormal Bowel Movements
    • Bowel Movement
    • Unusual stool
    • Changes in poop
    • Fecal changes

    ICD-10 Codes:

    • 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:

    • 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:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

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

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    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:

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

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    Does Dr. Tsai accept my insurance?

    Dr. Tsai accepts most major insurance plans. Important: Please call our office at (619) 543-5840 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Tsai accept in San Diego, CA?

    Dr. Tsai in San Diego, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Other Health Care Provider

    • Scan Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Tsai's office located?

    Dr. Matthew Tsai's Primary Practice

    200 W Arbor Dr

    San Diego, CA 92103

    (619) 543-5840

    Get Directions

    Dr. Matthew Tsai's Practice 2

    9350 Campus Point Dr

    La Jolla, CA 92037

    Get Directions

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

    Dr. Tsai's National Provider Identifier (NPI) number is 1285051177.

    What common questions do patients ask about Dr. Tsai?

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

    What is Dr. Matthew Tsai's specialty?

    Dr. Tsai is a Gastroenterologist near San Diego, 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. Tsai to book an appointment today.

    Is this Dr. Matthew Tsai affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Tsai is affiliated with Jacobs Medical Center At Uc San Diego Health 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

    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 Matthew Tsai accepting new patients in San Diego, CA?

    Yes, Dr. Matthew Tsai is accepting new patients at this time.

    Does Dr. Matthew Tsai offer online booking?

    Please contact Dr. Tsai's office at (619) 543-5840 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Matthew Tsai?

    Please contact Dr. Tsai's office at (619) 543-5840 for information regarding telehealth appointment availability or for scheduling assistance.

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