JW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Walker, Gastroenterologist in Roseburg, OR?
Dr. John Walker, MD is a Gastroenterologist, who primarily practices in Roseburg, OR with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Walker graduated from University of Texas Southwestern Medical School, Dallas and completed his residency at Jackson Mem Hosp/Jackson Hlth, Internal Medicine. Dr. Walker is fluent in English and Spanish, and is currently seeing new patients. Dr. Walker’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (541) 779-8367.
Where did Dr. Walker go to medical school and complete their residency?
Residency: Jackson Mem Hosp/Jackson Hlth, Internal Medicine | Medical College of Wisconsin Affiliated Hospitals Program
Medical School: University of Texas Southwestern Medical School, Dallas
Is Dr. Walker board certified in Gastroenterologist?
Yes, Dr. John Walker, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Walker speak?
Dr. Walker and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Walker treat?
As a Gastroenterologist, Dr. Walker 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. Walker. 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:
- COVID-19 Testing
- Coronavirus Test
- SARS-CoV-2 Test
- COVID Test
ICD-10 Codes:
- Z1152: Encounter for screening for COVID-19
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:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860100: Personal history of colon polyps, unspecified
Also known as:
- Benign Transverse Colon Polyp
- Benign Cecum Polyp
- Benign Ascending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
ICD-10 Codes:
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
- D122: Benign neoplasm of ascending colon
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease
- Crohn’s Disease
- Complicated Crohn's Disease
- Inflammatory Bowel Disease (IBD) with Complications
- Regional Enteritis with Complications
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
ICD-10 Codes:
- K50919: Crohn's disease, unspecified, with unspecified complications
- K5080: Crohn's disease of both small and large intestine without complications
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, 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:
- Cirrhosis
- Liver scarring
- End-stage liver disease
- Chronic liver failure
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
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:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Which procedures does Dr. Walker perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. John Walker 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. Walker's office.
Does Dr. Walker accept my insurance?
Dr. Walker accepts most major insurance plans. Important: Please call our office at (541) 779-8367 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Walker accept in Roseburg, OR?
Dr. Walker in Roseburg, OR 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
Cambia (Regence)
CVS Health (formerly Aetna)
Express Scripts
First Administrators
Medicare
Mutual of Omaha
UnitedHealthcare
View All Insurances
Where is Dr. Walker's office located?
Dr. John Walker's Primary Practice
2510 NW Edenbower Blvd Ste 112
Roseburg, OR 97471
(541) 779-8367
What is Dr. Walker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Walker's National Provider Identifier (NPI) number is 1346210994.
What common questions do patients ask about Dr. Walker?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Walker
What is Dr. John Walker's specialty?
Dr. Walker is a Gastroenterologist near Roseburg, 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. Walker to book an appointment today.
Is this Dr. John Walker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Walker is affiliated with Chi Mercy Health Mercy Medical Center, St. Charles Bend 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 John Walker accepting new patients in Roseburg, OR?
Yes, Dr. John Walker is accepting new patients at this time.
Does Dr. John Walker offer online booking?
Please contact Dr. Walker's office at (541) 779-8367 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Walker?
Please contact Dr. Walker's office at (541) 779-8367 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Walker have?
Dr. John Walker is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near Roseburg, OR
HW
Gastroenterologist
Accepting patientsDr. Hugh Walker, MD is a Gastroenterologist, who primarily practices in Eugene, OR. He is board certified.
Eugene, OR
NM
Gastroenterologist
Accepting patientsDr. Nathan Markowitz, MD is a Gastroenterologist, who primarily practices in Eugene, OR. He has been practicing for over 34 years and is board certified by the American Board of Internal Medicine.
Eugene, OR
HP
Gastroenterologist
Accepting patientsDr. Harry Park, MD is a Gastroenterologist, who primarily practices in Springfield, OR with 2 additional practice locations. He has been practicing for over 22 years and is board certified by the American Board of Internal Medicine.
Springfield, OR