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Dr. Jeffrey Wei, MD

Vallejo, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Wei, Gastroenterologist in Vallejo, CA?

    Dr. Jeffrey Wei, MD is a Gastroenterologist, who primarily practices in Vallejo, CA with 1 additional practice location. He is board certified. Dr. Wei graduated from Washington University School of Medicine, St. Louis and completed his residency at University Ca San Diego Med Center. Dr. Wei is fluent in English, and is currently seeing new patients. Dr. Wei’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wei’s office at (707) 651-1000.

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

    • Residency: University Ca San Diego Med Center

    • Medical School: Washington University School of Medicine, St. Louis | Washington University School of Medicine, St. Louis

    Is Dr. Wei board certified as a Gastroenterologist?

    Yes, Dr. Jeffrey Wei, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Wei speak?

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

    • English

    What conditions does Dr. Wei treat?

    As a Gastroenterologist, Dr. Wei 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. Wei. 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:

    • Crohn's Disease of the Large Intestine
    • Crohn's Disease
    • Crohn’s Disease
    • Large Bowel Crohn's
    • Crohn's Colitis', 'Colonic Crohn's Disease

    ICD-10 Codes:

    • K5010: Crohn's disease of large intestine without complications

    Also known as:

    • Other Cancer Screening
    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • General Cancer Screening
    • Unspecified Cancer Check
    • Screening for Rare Cancers
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1289: Encounter for screening for malignant neoplasm of other sites
    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    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:

    • 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:

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

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications

    What procedures does Dr. Wei perform?

    As a Gastroenterologist, Dr. Wei 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. Wei. 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:

    • Liver Elastography
    • Elastography
    • FibroScan
    • Liver stiffness test
    • Shear wave elastography

    CPT Codes:

    • 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report

    Does Dr. Wei accept my insurance?

    Dr. Wei accepts most major insurance plans. Important: Please call our office at (707) 651-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Wei accept in Vallejo, CA?

    Dr. Wei in Vallejo, 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

    • Crown Cork and Seal Company

    • Express Scripts

    • HealthComp

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Wei's office located?

    Dr. Jeffrey Wei's Primary Practice

    975 Sereno Dr

    Vallejo, CA 94589

    (707) 651-1000

    Get Directions

    Dr. Jeffrey Wei's Practice 2

    975 Maple St

    Redwood City, CA 94063

    Get Directions

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

    Dr. Wei's National Provider Identifier (NPI) number is 1023196508.

    What common questions do patients ask about Dr. Wei?

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

    What is Dr. Jeffrey Wei's specialty?

    Dr. Wei is a Gastroenterologist near Vallejo, 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. Wei to book an appointment today.

    Is this Dr. Jeffrey Wei affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Wei is affiliated with Kaiser Permanente Oakland 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

    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 Jeffrey Wei accepting new patients in Vallejo, CA?

    Yes, Dr. Jeffrey Wei is accepting new patients at this time.

    Does Dr. Jeffrey Wei offer online booking?

    Please contact Dr. Wei's office at (707) 651-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jeffrey Wei?

    Please contact Dr. Wei's office at (707) 651-1000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jeffrey Wei have?

    Dr. Jeffrey Wei is certified by the American Board of Internal Medicine.

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