SL
15 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lewis, Gastroenterologist in Portland, OR?
Dr. Shannon Lewis, MD is a Gastroenterologist, who primarily practices in Portland, OR. She has been practicing for over 15 years and is board certified. Dr. Lewis graduated from Loyola University Chicago Stritch School of Medicine. Dr. Lewis is fluent in English, and is currently seeing new patients. Dr. Lewis’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lewis’s office at (503) 297-8081.
What are Areas of Expertise for Dr. Lewis?
Dr. Shannon Lewis, 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. Lewis empowers patients to confidently navigate their health journey, specializing in Celiac Disease, Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Portland/OR community, Dr. Lewis is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Lewis go to medical school and complete their residency?
Medical School: Loyola University Chicago Stritch School of Medicine
What languages does Dr. Lewis speak?
Dr. Lewis and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Lewis treat?
As a Gastroenterologist, Dr. Lewis 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. Lewis. 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:
- Benign Transverse Colon Polyp
- Benign Ascending Colon Polyp
- Benign Descending Colon Polyp
- Benign Sigmoid Colon Polyp
- Benign Cecum 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 descending colon growth
- Descending colon adenoma
- Descending colon benign tumor
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
ICD-10 Codes:
- D123: Benign neoplasm of transverse colon
- D122: Benign neoplasm of ascending colon
- D124: Benign neoplasm of descending colon
- D125: Benign neoplasm of sigmoid colon
- D120: Benign neoplasm of cecum
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:
- 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
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Crohn's Disease of the Small Intestine
- Crohn's Disease of the Large Intestine
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Ileitis
- Large Bowel Crohn's
- Crohn's Colitis', 'Colonic Crohn's Disease
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
ICD-10 Codes:
- K5000: Crohn's disease of small intestine without complications
- K5010: Crohn's disease of large intestine without complications
- K5080: Crohn's disease of both small and large intestine without complications
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
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:
- 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:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
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:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Which procedures does Dr. Lewis perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Shannon Lewis may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Lewis' office.
Does Dr. Lewis accept my insurance?
Dr. Lewis accepts most major insurance plans. Important: Please call our office at (503) 297-8081 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lewis accept in Portland, OR?
Dr. Lewis in Portland, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
All Other Third Party
Atrio Health Plans
Cambia (Regence)
CareOregon
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Premera Blue Cross
Providence Health Plans
View All Insurances
Where is Dr. Lewis' office located?
Dr. Shannon Lewis' Primary Practice
9701 SW Barnes Rd Ste 300
Portland, OR 97225
(503) 297-8081
What is Dr. Lewis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lewis's National Provider Identifier (NPI) number is 1780888446.
What common questions do patients ask about Dr. Lewis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lewis
What is Dr. Shannon Lewis's specialty?
Dr. Lewis is a Gastroenterologist near Portland, OR. 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. Lewis to book an appointment today.
Is this Dr. Shannon Lewis affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lewis is affiliated with Providence St. Vincent 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 Shannon Lewis accepting new patients in Portland, OR?
Yes, Dr. Shannon Lewis is accepting new patients at this time.
Does Dr. Shannon Lewis offer online booking?
Please contact Dr. Lewis's office at (503) 297-8081 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Shannon Lewis?
Please contact Dr. Lewis's office at (503) 297-8081 for information regarding telehealth appointment availability or for scheduling assistance.
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