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Dr. Ronald Mason, MD

Dr. Ronald Mason, MD

Kirkland, WA

33 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mason, Gastroenterologist in Kirkland, WA?

    Dr. Ronald Mason, MD is a Gastroenterologist, who primarily practices in Kirkland, WA. He has been practicing for over 33 years and is board certified. Dr. Mason graduated from Morehouse School of Medicine/GA and completed his residency at University of Alabama at Montgomery. Dr. Mason is fluent in English and Spanish, and is currently seeing new patients. Dr. Mason’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mason’s office at (425) 899-4500.

    What are Areas of Expertise for Dr. Mason?

    Dr. Ronald Mason, 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. Mason empowers patients to confidently navigate their health journey, specializing in Biliary Disease, Gastrointestinal Cancer, or comprehensive wellness support. Serving the Kirkland/WA community, Dr. Mason is dedicated to enhancing lives through expert, patient-centered care.

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

    • Fellowship: University of Cincinnati Hospital/OH

    • Residency: University of Alabama at Montgomery | UNIVERSITY HOSPITAL

    • Medical School: Mi State University, Coll of Osteo Med, East Lansing Mi | Morehouse School of Medicine/GA | University of Alabama School of Medicine | Morehouse School of Medicine

    What languages does Dr. Mason speak?

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

    • English

    • Spanish

    What conditions does Dr. Mason treat?

    As a Gastroenterologist, Dr. Mason 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. Mason. 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:

    • Colon Polyps
    • Non-Infectious Gastroenteritis and Colitis
    • Colonic Polyps
    • Digestive Disease
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Benign Transverse Colon Polyp
    • Benign Ascending Colon Polyp
    • Benign Cecum Polyp
    • Benign Sigmoid Colon 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
    • Non-cancerous sigmoid colon growth
    • Sigmoid colon adenoma
    • Sigmoid colon benign tumor

    ICD-10 Codes:

    • D123: Benign neoplasm of transverse colon
    • D122: Benign neoplasm of ascending colon
    • D120: Benign neoplasm of cecum
    • D125: Benign neoplasm of sigmoid 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:

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

    ICD-10 Codes:

    • K5100: Ulcerative (chronic) pancolitis without complications
    • K5190: Ulcerative colitis, unspecified, without complications

    Also known as:

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

    ICD-10 Codes:

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

    Also known as:

    • Crohn's Disease
    • Crohn's Disease Affecting Small and Large Intestines
    • Crohn’s Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Terminal Ileitis
    • Panenteric Crohn's Disease
    • Crohn's of Both Bowels', 'Generalized Crohn's Disease

    ICD-10 Codes:

    • K5090: Crohn's disease, unspecified, without complications
    • K5080: Crohn's disease of both small and large intestine without complications

    Also known as:

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

    ICD-10 Codes:

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

    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:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    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:

    • 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

    Does Dr. Mason accept my insurance?

    Dr. Mason accepts most major insurance plans. Important: Please call our office at (425) 899-4500 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mason accept in Kirkland, WA?

    Dr. Mason in Kirkland, 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)

    • Express Scripts

    • First Administrators

    • Humana

    • Medicare

    • Molina

    • OptumRx

    • Premera Blue Cross

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mason's office located?

    Dr. Ronald Mason's Primary Practice

    11800 NE 128th St Ste 100

    Kirkland, WA 98034

    (425) 899-4500

    Get Directions

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

    Dr. Mason's National Provider Identifier (NPI) number is 1124088430.

    What common questions do patients ask about Dr. Mason?

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

    What is Dr. Ronald Mason's specialty?

    Dr. Mason is a Gastroenterologist near Kirkland, 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. Mason to book an appointment today.

    Is this Dr. Ronald Mason affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mason is affiliated with EvergreenHealth Medical Center 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 Ronald Mason accepting new patients in Kirkland, WA?

    Yes, Dr. Ronald Mason is accepting new patients at this time.

    Does Dr. Ronald Mason offer online booking?

    Please contact Dr. Mason's office at (425) 899-4500 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ronald Mason?

    Please contact Dr. Mason's office at (425) 899-4500 for information regarding telehealth appointment availability or for scheduling assistance.

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