
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. 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 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 and 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, and 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 a Gastroenterologist like Dr. Mason typically 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. Learn more about our claims-based healthcare methodology.
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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Ulcerative Pancolitis
- Ulcerative Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
- Inflammatory Bowel Disease (IBD)
ICD-10 Codes:
- K5100: Ulcerative (chronic) pancolitis without complications
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
What procedures does a Gastroenterologist like Dr. Mason typically perform?
As a Gastroenterologist, Dr. Mason performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
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
Cigna Group
CVS Health (formerly Aetna)
First Administrators
Humana
Medicare
Molina Healthcare
Premera Blue Cross
State of Washington
UnitedHealth Group
Unknown
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
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.
What does a Gastroenterologist do?
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.
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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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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