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MJ

Dr. Mark Johnson, MD

Chula Vista, CA

46 Years of Experience

Accepting patients

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

    Dr. Mark Johnson, MD is a Gastroenterologist, who primarily practices in Chula Vista, CA with 2 additional practice locations. He has been practicing for over 46 years and is board certified by the American Board of Internal Medicine. Dr. Johnson completed his residency at Univ Ca Irvine Med Ctr, Gastroenterology; L A Co-Usc Med Ctr, Internal Medicine. Dr. Johnson is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Johnson’s office at (619) 585-0313.

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

    • Residency: Univ Ca Irvine Med Ctr, Gastroenterology; L A Co-Usc Med Ctr, Internal Medicine

    Is Dr. Johnson board certified in Gastroenterologist?

    Yes, Dr. Mark Johnson, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Johnson speak?

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

    • English

    • Spanish

    What conditions does Dr. Johnson treat?

    As a Gastroenterologist, Dr. Johnson 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. Johnson. 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:

    • Gastrointestinal Bleeding
    • Dark, Tarry Stools (Melena)
    • Rectal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage
    • Melena
    • Black Stools
    • Upper GI Bleed Signs
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified
    • K921: Melena
    • K625: Hemorrhage of anus and rectum

    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:

    • Fatty Liver Disease
    • Liver Disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • NAFLD
    • NASH
    • Hepatic steatosis

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified

    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:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)
    • D649: Anemia, unspecified

    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:

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

    ICD-10 Codes:

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

    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:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Abnormal Abdominal Imaging
    • Abnormal belly scan
    • Unusual abdominal imaging
    • Abdominal scan findings

    ICD-10 Codes:

    • R935: Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    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:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Does Dr. Johnson accept my insurance?

    Please contact Dr. Johnson's office to confirm accepted insurance plans.

    Where is Dr. Johnson's office located?

    Dr. Mark Johnson's Primary Practice

    480 Fourth Ave Ste 506

    Chula Vista, CA 91910

    (619) 585-0313

    Get Directions

    Dr. Mark Johnson's Practice 2

    250 Prospect Pl

    Coronado, CA 92118

    Get Directions

    Dr. Mark Johnson's Practice 3

    7901 Frost St

    San Diego, CA 92123

    Get Directions

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

    Dr. Johnson's National Provider Identifier (NPI) number is 1861421372.

    What common questions do patients ask about Dr. Johnson?

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

    What is Dr. Mark Johnson's specialty?

    Dr. Johnson 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. Johnson to book an appointment today.

    Is this Dr. Mark Johnson affiliated with a ranked Castle Connolly Top Hospital?

    No, Johnson is not affiliated with a Castle Connolly Top Hospital. 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 Mark Johnson accepting new patients in Chula Vista, CA?

    Yes, Dr. Mark Johnson is accepting new patients at this time.

    Does Dr. Mark Johnson offer online booking?

    Please contact Dr. Johnson's office at (619) 585-0313 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Johnson?

    Please contact Dr. Johnson's office at (619) 585-0313 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Johnson have?

    Dr. Mark Johnson is certified by the American Board of Internal Medicine.

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