30 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Walker, Gastroenterologist in Phoenix, AZ?
Dr. Robert Walker, MD is a Gastroenterologist, who primarily practices in Phoenix, AZ with 2 additional practice locations. He has been practicing for over 30 years and is board certified. Dr. Walker graduated from New York Medical College and completed his residency at McGaw Med Ctr Of Northwestern, Gastroenterology; Northwestern Mem Hosp, 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 (845) 703-6999.
Where did Dr. Walker go to medical school and complete their residency?
Residency: McGaw Med Ctr Of Northwestern, Gastroenterology; Northwestern Mem Hosp, Internal Medicine | Northwestern Memorial Hospital | Brigham & Women's Hospital Program
Medical School: New York Med Coll- Valhalla Ny | New York Medical College
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:
- 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:
- 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:
- 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:
- Benign Colon Polyp
- Benign Transverse Colon Polyp
- Benign Tumor
- Colonic Disease
- Colon Polyps
- Colonic Polyps
- Non-cancerous colon growth
- Colon adenoma
- Benign colon tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
ICD-10 Codes:
- D126: Benign neoplasm of colon, unspecified
- D123: Benign neoplasm of transverse 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
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
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:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Also known as:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
Also known as:
- Other Digestive Symptoms
- Digestive Disease
- Unspecified Abdominal Symptoms
- Other Belly Problems
- Digestive System Issues
ICD-10 Codes:
- R198: Other specified symptoms and signs involving the digestive system and abdomen
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Which procedures does Dr. Walker perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Robert 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 (845) 703-6999 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Walker accept in Phoenix, AZ?
Dr. Walker in Phoenix, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Banner Health
Blue Cross Blue Shield of Arizona
CVS Health (formerly Aetna)
Express Scripts
Medicare
Mercy Care Plan
Mercy Maricopa Integrated Care
Scan Health Plan
State of Arizona
UnitedHealthcare
View All Insurances
Where is Dr. Walker's office located?
Dr. Robert Walker's Primary Practice
9250 N 3rd St Ste 2015
Phoenix, AZ 85020
(845) 703-6999
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 1396727129.
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. Robert Walker's specialty?
Dr. Walker is a Gastroenterologist near Phoenix, AZ. 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. Robert Walker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Walker is affiliated with Garnet Health 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 Robert Walker accepting new patients in Phoenix, AZ?
Yes, Dr. Robert Walker is accepting new patients at this time.
Does Dr. Robert Walker offer online booking?
Please contact Dr. Walker's office at (845) 703-6999 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Robert Walker?
Please contact Dr. Walker's office at (845) 703-6999 for information regarding telehealth appointment availability or for scheduling assistance.
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