Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Walker, Gastroenterologist in Madison, WI?
Dr. Andrew Walker, MD is a Gastroenterologist, who primarily practices in Madison, WI with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. Walker is fluent in English, 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 (608) 260-2900.
Is Dr. Walker board certified in Gastroenterologist?
Yes, Dr. Andrew 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
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:
- 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 Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Colonic Disease
- 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 colon growth
- Colon adenoma
- Benign colon tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
- D126: Benign neoplasm of colon, unspecified
Also known as:
- Exposure to COVID-19
- COVID-19 (Coronavirus Disease 2019)
- COVID-19 contact
- Suspected coronavirus exposure
- SARS-CoV-2 exposure
ICD-10 Codes:
- Z20822: Contact with and (suspected) exposure to COVID-19
Also known as:
- Pancreatic Cyst
- Other Specific Pancreatic Disease
- Pancreatic Disease
- Cyst on Pancreas
- Pancreatic Pseudocyst
- Fluid Sac on Pancreas
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
ICD-10 Codes:
- K862: Cyst of pancreas
- K8689: Other specified diseases of pancreas
Also known as:
- Non-Infectious Gastroenteritis and Colitis
- Colon Polyps
- Digestive Disease
- Colonic Polyps
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
- Z86010: Personal history of colon polyps
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:
- Nonalcoholic steatohepatitis (NASH)
- Fatty Liver Disease
- Non-alcoholic fatty liver disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NASH
- Non-alcoholic fatty liver disease with inflammation
- Fatty liver inflammation
ICD-10 Codes:
- K7581: Nonalcoholic steatohepatitis (NASH)
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:
- 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:
- 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:
- Primary biliary cholangitis
- Bile Duct Disease
- Cirrhosis
- Primary Biliary Cholangitis (Primary Biliary Cirrhosis)
- Primary biliary cirrhosis
- PBC
- Autoimmune bile duct disease
ICD-10 Codes:
- K743: Primary biliary cirrhosis
Also known as:
- Autoimmune hepatitis
- Autoimmune Disease
- Hepatitis
- Autoimmune Hepatitis
- AIH
- Autoimmune liver disease
- Chronic autoimmune hepatitis
ICD-10 Codes:
- K754: Autoimmune hepatitis
Also known as:
- Chronic Pancreatitis
- Pancreatitis
- Hereditary pancreatitis
- Long-Term Pancreas Inflammation
- Ongoing Pancreatitis
ICD-10 Codes:
- K861: Other chronic pancreatitis
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
Which procedures does Dr. Walker perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Andrew 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 (608) 260-2900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Walker accept in Madison, WI?
Dr. Walker in Madison, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Allegiance Benefit Plan Management
CVS Health (formerly Aetna)
Dean Health Plan
Elevance Health Inc. (formerly Anthem)
Medicare
Network Health
State of Wisconsin
UnitedHealthcare
Wisconsin Physicians Health (WPS)
View All Insurances
Where is Dr. Walker's office located?
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 1649482605.
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. Andrew Walker's specialty?
Dr. Walker is a Gastroenterologist near Madison, WI. 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. Andrew Walker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Walker is affiliated with Ssm Health St. Mary's Hospital - Madison 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 Andrew Walker accepting new patients in Madison, WI?
Yes, Dr. Andrew Walker is accepting new patients at this time.
Does Dr. Andrew Walker offer online booking?
Please contact Dr. Walker's office at (608) 260-2900 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andrew Walker?
Please contact Dr. Walker's office at (608) 260-2900 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Andrew Walker have?
Dr. Andrew Walker is certified by the American Board of Internal Medicine.
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