WW
35 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Wassef, Gastroenterologist in Phoenix, AZ?
Dr. Wahid Wassef, MD is a Gastroenterologist, who primarily practices in Phoenix, AZ with 1 additional practice location. He has been practicing for over 35 years. Dr. Wassef graduated from Boston University School of Medicine and completed his residency at Rhode Island Hosp-Lifespan, Gastroenterology; St Mary'S Hosp, General Surgery. Dr. Wassef is fluent in English, Arabic, Chinese, French, Greek, Modern (1453-), Italian, and Polish, and is currently seeing new patients. Dr. Wassef’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wassef’s office at (602) 521-5700.
Where did Dr. Wassef go to medical school and complete their residency?
Residency: Rhode Island Hosp-Lifespan, Gastroenterology; St Mary'S Hosp, General Surgery | Brown University/Rhode Island Hospital-Lifespan Program
Medical School: Boston Univ Sch of Med, Boston Ma | Boston University School of Medicine
What languages does Dr. Wassef speak?
Dr. Wassef and their clinical team can communicate with patients in the following languages:
Arabic
Chinese
English
French
Greek, Modern (1453-)
Italian
Polish
What conditions does a Gastroenterologist like Dr. Wassef typically treat?
As a Gastroenterologist, Dr. Wassef 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. Wassef. 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:
- Other Long-Term Drug Therapy
- Chronic medication use
- Ongoing drug treatment
- Extended drug therapy
ICD-10 Codes:
- Z79899: Other long term (current) drug therapy
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
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
What procedures does a Gastroenterologist like Dr. Wassef typically perform?
As a Gastroenterologist, Dr. Wassef 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. Wassef. 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 Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 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)
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 Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Diagnostic Duodenal Fluid Collection with Stimulation
- Duodenal aspiration test
- Pancreatic function test
- Gallbladder stimulation test
- Small intestine fluid collection
CPT Codes:
- 43757: Duodenal intubation and aspiration, diagnostic, includes image guidance; collection of multiple fractional specimens with pancreatic or gallbladder stimulation, single or double lumen tube, includes drug administration
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. Wassef accept my insurance?
Dr. Wassef accepts most major insurance plans. Important: Please call our office at (602) 521-5700 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Wassef accept in Phoenix, AZ?
Dr. Wassef 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
Capital Blue Cross
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Humana
Medicare
Mercy Care
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Wassef's office located?
What is Dr. Wassef's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Wassef's National Provider Identifier (NPI) number is 1922080803.
What common questions do patients ask about Dr. Wassef?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Wassef
What is Dr. Wahid Wassef's specialty?
Dr. Wassef is a Gastroenterologist near Phoenix, AZ.
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. Wahid Wassef affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Wassef is affiliated with Umass Memorial 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 Wahid Wassef accepting new patients in Phoenix, AZ?
Yes, Dr. Wahid Wassef is accepting new patients at this time.
Does Dr. Wahid Wassef offer online booking?
Please contact Dr. Wassef's office at (602) 521-5700 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Wahid Wassef?
Please contact Dr. Wassef's office at (602) 521-5700 for information regarding telehealth appointment availability or for scheduling assistance.
Other Gastroenterologist Near Phoenix, AZ
DT
Hepatologist
Dr. David Twitchell, MD is a Hepatologist, who primarily practices in Mesa, AZ with 1 additional practice location.
Mesa, AZ

Hepatologist
Dr. Geetha Kolli, MD is a Hepatologist, who primarily practices in Phoenix, AZ with 1 additional practice location. She has been practicing for over 18 years and is board certified.
Phoenix, AZ
MN
Gastroenterologist
Dr. Moises Nevah Rubin, MD is a Gastroenterologist, who primarily practices in Phoenix, AZ with 1 additional practice location. He is board certified.
Phoenix, AZ