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Dr. Juanita Merchant, MD, PHD

Dr. Juanita Merchant, MD, PHD

Tucson, AZ

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Merchant, Gastroenterologist in Tucson, AZ?

    Dr. Juanita Merchant, MD, PHD is a Gastroenterologist, who primarily practices in Tucson, AZ with 2 additional practice locations. She is board certified by the American Board of Internal Medicine. Dr. Merchant completed her residency at Massuchusetts General Hospital, Internal Medicine Gastroenterology, MA. Dr. Merchant is fluent in English, and is currently seeing new patients. Dr. Merchant’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Merchant’s office.

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

    • Fellowship: Internal Medicine Gastroenterology, UCLA Medical Center

    • Residency: Massuchusetts General Hospital, Internal Medicine Gastroenterology, MA

    Is Dr. Merchant board certified in Gastroenterologist?

    Yes, Dr. Juanita Merchant, MD, PHD is board certified by the American Board of Internal Medicine

    What languages does Dr. Merchant speak?

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

    • English

    What conditions does Dr. Merchant treat?

    As a Gastroenterologist, Dr. Merchant 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. Merchant. 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:

    • Other Long-Term Drug Therapy
    • Chronic medication use
    • Ongoing drug treatment
    • Extended drug therapy

    ICD-10 Codes:

    • Z79899: Other long term (current) drug therapy

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Vomiting Blood
    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Nausea and Vomiting
    • Gastrointestinal (GI) Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs
    • Hematemesis
    • Bloody Vomit
    • Upper GI Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K921: Melena
    • K920: Hematemesis
    • K625: Hemorrhage of anus and rectum

    Also known as:

    • Acid Reflux
    • GERD with Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Eosinophilic Esophagitis
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis
    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

    • Stomach and Duodenum Disorder
    • Stomach or Duodenum Polyp
    • Gastroparesis
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders
    • Gastric Polyp
    • Duodenal Polyp
    • Stomach Growth
    • Delayed Gastric Emptying
    • Stomach Paralysis
    • Gastric Motility Disorder

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum
    • K317: Polyp of stomach and duodenum
    • K3184: Gastroparesis

    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:

    • Irritable Bowel Syndrome with Constipation
    • Irritable Bowel Syndrome with Diarrhea
    • Irritable Bowel Syndrome
    • Irritable Bowel Syndrome (IBS)
    • IBS-C
    • Constipation-Predominant IBS
    • Spastic Colon with Constipation
    • IBS-D
    • Diarrhea-Predominant IBS
    • Spastic Colon with Diarrhea

    ICD-10 Codes:

    • K581: Irritable bowel syndrome with constipation
    • K580: Irritable bowel syndrome with diarrhea

    Also known as:

    • Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding

    Also known as:

    • Cirrhosis
    • Liver scarring
    • End-stage liver disease
    • Chronic liver failure

    ICD-10 Codes:

    • K7460: Unspecified cirrhosis of liver

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

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

    ICD-10 Codes:

    • K5909: Other constipation

    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:

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

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Does Dr. Merchant accept my insurance?

    Dr. Merchant accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Merchant accept in Tucson, AZ?

    Dr. Merchant in Tucson, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Banner Health

    • Blue Cross Blue Shield of Arizona

    • Centene

    • Cigna

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Federal Employee Program

    • Humana

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Merchant's office located?

    Dr. Juanita Merchant's Primary Practice

    2800 E Ajo Way Bldg 100

    Tucson, AZ 85713

    Get Directions

    Dr. Juanita Merchant's Practice 2

    3838 N Campbell Ave Bldg 2

    Tucson, AZ 85719

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    Dr. Juanita Merchant's Practice 3

    1500 E Medical Center Dr Fl 2

    Ann Arbor, MI 48109

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

    Dr. Merchant's National Provider Identifier (NPI) number is 1164505095.

    What common questions do patients ask about Dr. Merchant?

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

    What is Dr. Juanita Merchant's specialty?

    Dr. Merchant is a Gastroenterologist near Tucson, AZ. 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. Merchant to book an appointment today.

    Is this Dr. Juanita Merchant affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Merchant is affiliated with Banner - University Medical Center Tucson 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 Juanita Merchant accepting new patients in Tucson, AZ?

    Yes, Dr. Juanita Merchant is accepting new patients at this time.

    Does Dr. Juanita Merchant offer online booking?

    Please contact Dr. Merchant's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Juanita Merchant?

    Please contact Dr. Merchant's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Juanita Merchant have?

    Dr. Juanita Merchant is certified by the American Board of Internal Medicine.

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