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Dr. Lucas Leonard, MD

Mill Creek, WA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Leonard, Gastroenterologist in Mill Creek, WA?

    Dr. Lucas Leonard, MD is a Gastroenterologist, who primarily practices in Mill Creek, WA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Leonard is fluent in English, Chinese, Korean, and Spanish, and is currently seeing new patients. Dr. Leonard’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leonard’s office.

    Is Dr. Leonard board certified in Gastroenterologist?

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

    What languages does Dr. Leonard speak?

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

    • Chinese

    • English

    • Korean

    • Spanish

    What conditions does Dr. Leonard treat?

    As a Gastroenterologist, Dr. Leonard 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. Leonard. 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:

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

    ICD-10 Codes:

    • D122: Benign neoplasm of ascending colon
    • D123: Benign neoplasm of transverse colon
    • D120: Benign neoplasm of cecum
    • D124: Benign neoplasm of descending colon

    Also known as:

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

    ICD-10 Codes:

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

    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:

    • 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:

    • 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:

    • Other Esophagus Condition
    • Esophagus Disorder
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2289: Other specified disease of esophagus

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    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:

    • 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:

    • Bile Duct Stones
    • Gallstones
    • Choledocholithiasis
    • Biliary duct calculi

    ICD-10 Codes:

    • K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction

    Also known as:

    • Other Intestinal Condition
    • Colonic Disease
    • Small Intestine Disorder
    • Bowel Conditions
    • Gut Problems
    • Digestive Issues

    ICD-10 Codes:

    • K6389: Other specified diseases of intestine

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    Does Dr. Leonard accept my insurance?

    Dr. Leonard 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. Leonard accept in Mill Creek, WA?

    Dr. Leonard in Mill Creek, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cambia (Regence)

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Department of Veterans Affairs

    • Kaiser Permanente

    • Medicare

    • Molina

    • Premera Blue Cross

    • State of Washington

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Leonard's office located?

    Dr. Lucas Leonard's Primary Practice

    16504 9th Ave SE Ste 106

    Mill Creek, WA 98012

    Get Directions

    Dr. Lucas Leonard's Practice 2

    209 Lilly Rd NE Ste B

    Olympia, WA 98506

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    Dr. Lucas Leonard's Practice 3

    13020 Meridian Ave S

    Everett, WA 98208

    Get Directions

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

    Dr. Leonard's National Provider Identifier (NPI) number is 1992796528.

    What common questions do patients ask about Dr. Leonard?

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

    What is Dr. Lucas Leonard's specialty?

    Dr. Leonard is a Gastroenterologist near Mill Creek, WA. 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. Leonard to book an appointment today.

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

    Yes, Dr. Leonard is affiliated with Providence St. Peter Hospital 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 Lucas Leonard accepting new patients in Mill Creek, WA?

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

    Does Dr. Lucas Leonard offer online booking?

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

    How can I make an appointment with Lucas Leonard?

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

    Which board certifications does Dr. Lucas Leonard have?

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

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