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Dr. Lyle Shlager, MD

San Francisco, CA

37 Years of Experience

Accepting patients

    Who is Dr. Shlager, Gastroenterologist in San Francisco, CA?

    Dr. Lyle Shlager, MD is a Gastroenterologist, who primarily practices in San Francisco, CA with 1 additional practice location. He has been practicing for over 37 years and is board certified by the American Board of Internal Medicine. Dr. Shlager completed his residency at Univ Ca Sf Med Ctr, Gastroenterology; Moffitt Hosp Univ Of Ca, Internal Medicine. Dr. Shlager is fluent in English, and is currently seeing new patients. Dr. Shlager’s practice accepts Medicare, Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shlager’s office at (415) 833-2000.

    What are Areas of Expertise for Dr. Shlager?

    Dr. Lyle Shlager, 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. Shlager empowers patients to confidently navigate their health journey, specializing in Crohn's Disease, Esophageal Disorders, Gastroesophageal Reflux Disease (GERD), or comprehensive wellness support. Serving the San Francisco/CA community, Dr. Shlager is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Univ Ca Sf Med Ctr, Gastroenterology; Moffitt Hosp Univ Of Ca, Internal Medicine

    • Medical School: Tufts Univ Sch of Med, Boston Ma

    Is Dr. Shlager board certified in Gastroenterologist?

    Yes, Dr. Lyle Shlager, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Shlager speak?

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

    • English

    What conditions does Dr. Shlager treat?

    As a Gastroenterologist, Dr. Shlager 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. Shlager. 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:

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

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications
    • K5150: Left sided colitis without complications

    Also known as:

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

    ICD-10 Codes:

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

    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:

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

    ICD-10 Codes:

    • K5000: Crohn's disease of small intestine without complications
    • K5090: Crohn's disease, unspecified, without complications

    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:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    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:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Does Dr. Shlager accept my insurance?

    Dr. Shlager accepts most major insurance plans. Important: Please call our office at (415) 833-2000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Shlager accept in San Francisco, CA?

    Dr. Shlager in San Francisco, 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

    • CMS

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Kaiser Permanente

    • Medicare

    • San Francisco Health Plan

    View All Insurances

    Where is Dr. Shlager's office located?

    Dr. Lyle Shlager's Primary Practice

    2200 Ofarrell St

    San Francisco, CA 94115

    (415) 833-2000

    Get Directions

    Dr. Lyle Shlager's Practice 2

    2350 Geary Blvd

    San Francisco, CA 94115

    (415) 833-2000

    Get Directions

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

    Dr. Shlager's National Provider Identifier (NPI) number is 1558449140.

    What common questions do patients ask about Dr. Shlager?

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

    What is Dr. Lyle Shlager's specialty?

    Dr. Shlager is a Gastroenterologist near San Francisco, 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. Shlager to book an appointment today.

    Is this Dr. Lyle Shlager affiliated with a ranked Castle Connolly Top Hospital?

    No, Shlager is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Kaiser Permanente San Francisco Medical Center. Castle Connolly Top Hospitals 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 Lyle Shlager accepting new patients in San Francisco, CA?

    Yes, Dr. Lyle Shlager is accepting new patients at this time.

    Does Dr. Lyle Shlager offer online booking?

    Please contact Dr. Shlager's office at (415) 833-2000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Lyle Shlager?

    Please contact Dr. Shlager's office at (415) 833-2000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Lyle Shlager have?

    Dr. Lyle Shlager is certified by the American Board of Internal Medicine.

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