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Dr. Leonard Quallich, MD

Troy, MI

46 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Quallich, Gastroenterologist in Troy, MI?

    Dr. Leonard Quallich, MD is a Gastroenterologist, who primarily practices in Troy, MI 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. Quallich graduated from Case Western Reserve University School of Medicine and completed his residency at Univ Of Mi Hosps & Hlth Ctrs, Gastroenterology; Univ Of Mi Hosps & Hlth Ctrs, Internal Medicine. Dr. Quallich is fluent in English, French, and Polish, and is currently seeing new patients. Dr. Quallich’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Quallich’s office.

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

    • Residency: Univ Of Mi Hosps & Hlth Ctrs, Gastroenterology; Univ Of Mi Hosps & Hlth Ctrs, Internal Medicine | University of Michigan Program

    • Medical School: Case Western Reserve University School of Medicine

    Is Dr. Quallich board certified in Gastroenterologist?

    Yes, Dr. Leonard Quallich, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Quallich speak?

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

    • English

    • French

    • Polish

    What conditions does Dr. Quallich treat?

    As a Gastroenterologist, Dr. Quallich 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. Quallich. 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:

    • 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:

    • Barrett's Esophagus
    • Other Esophagus Condition
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Barrett's condition
    • Esophageal metaplasia
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2270: Barrett's esophagus without dysplasia
    • K2289: Other specified disease of esophagus

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Benign Ascending Colon Polyp
    • Benign Descending Colon Polyp
    • Benign Sigmoid Colon Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor
    • Non-cancerous descending colon growth
    • Descending colon adenoma
    • Descending colon benign tumor
    • Non-cancerous sigmoid colon growth
    • Sigmoid colon adenoma
    • Sigmoid colon benign tumor

    ICD-10 Codes:

    • D122: Benign neoplasm of ascending colon
    • D124: Benign neoplasm of descending colon
    • D125: Benign neoplasm of sigmoid colon

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    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:

    • Stomach Ulcer
    • Peptic Ulcer
    • Gastric ulcer
    • Peptic ulcer of the stomach
    • Stomach sore

    ICD-10 Codes:

    • K259: Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation

    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:

    • Blocked Esophagus
    • Esophagus Disorder
    • Esophageal Obstruction
    • Food Pipe Blockage
    • Swallowing Difficulty

    ICD-10 Codes:

    • K222: Esophageal obstruction

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Irritable Bowel Syndrome (IBS)
    • Irritable Bowel Syndrome
    • Spastic Colon
    • Functional Bowel Disorder
    • IBS

    ICD-10 Codes:

    • K589: Irritable bowel syndrome, unspecified

    Also known as:

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

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications

    Also known as:

    • Abnormal Digestive Tract Imaging
    • Abnormal GI scan
    • Unusual digestive imaging
    • Digestive system imaging findings

    ICD-10 Codes:

    • R933: Abnormal findings on diagnostic imaging of other parts of digestive tract

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Crohn's Disease
    • Crohn’s Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Terminal Ileitis

    ICD-10 Codes:

    • K5090: Crohn's disease, unspecified, without complications

    Does Dr. Quallich accept my insurance?

    Dr. Quallich 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. Quallich accept in Troy, MI?

    Dr. Quallich in Troy, MI 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 Cross Blue Shield of Michigan

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Federal Employee Program

    • Health Alliance Plan (HAP)

    • Humana

    • Medicare

    • Spectrum / Priority Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Quallich's office located?

    Dr. Leonard Quallich's Primary Practice

    4600 Investment Dr Ste 380

    Troy, MI 48098

    Get Directions

    Dr. Leonard Quallich's Practice 2

    48801 Romeo Plank Rd Ste 105

    Macomb, MI 48044

    (248) 844-9710

    Get Directions

    Dr. Leonard Quallich's Practice 3

    1701 South Blvd E Ste 300

    Rochester Hills, MI 48307

    (248) 844-9710

    Get Directions

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

    Dr. Quallich's National Provider Identifier (NPI) number is 1093797326.

    What common questions do patients ask about Dr. Quallich?

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

    What is Dr. Leonard Quallich's specialty?

    Dr. Quallich is a Gastroenterologist near Troy, MI. 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. Quallich to book an appointment today.

    Is this Dr. Leonard Quallich affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Quallich is affiliated with Corewell Health William Beaumont University Hospital, Corewell Health Dearborn Hospital which are a Castle Connolly Top Hospitals. 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 Leonard Quallich accepting new patients in Troy, MI?

    Yes, Dr. Leonard Quallich is accepting new patients at this time.

    Does Dr. Leonard Quallich offer online booking?

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

    How can I make an appointment with Leonard Quallich?

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

    Which board certifications does Dr. Leonard Quallich have?

    Dr. Leonard Quallich is certified by the American Board of Internal Medicine.

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