Gastrointestinal Services
Conditions and Treatments
One of only a few centers in the country treating gastrointestinal cancers using a coordinated, comprehensive approach —all located under one roof. City of Hope Orange County puts patients in the hands of world experts in cancers affecting the digestive system.
- Anal Cancer
- Anorectal Abnormalities
- Anorectal Disease
- Appendix Cancer
- Bile Duct Cancer
- Biliary Tract Cancers (BTC)
- Cancer Of Unknown Primary (CUP)
- Carcinoid Tumors
- Cholangiocarcinoma
- Colon Cancer
- Colorectal Cancer
- Esophageal Cancer
- Gastrointestinal Stromal Tumors (GIST)
- Hepatobiliary Cancers
- Hepatocellular Cancer (HCC)
- Hereditary Colorectal Cancer Syndromes Including Familial Adenomatous Polyposis (FAP) And Lynch Syndrome (Hereditary Non-Polyposis Colorectal Cancer)
- Liver Cancer
- Neuroendocrine Tumor (NET)
- Pancreatic Cancer
- Rectal Cancer
- Stomach Cancer
- Colon Surgery (Robotic and Laparoscopic)
- Coloanal Anastomosis
- Endometriosis Surgery (Impacting Bowel, Rectum and Sigmoid)
- Endoscopy Procedures (Tumor Ablation and Stent Placement)
- Flexible Sigmoidoscopy
- Gastroesophageal Junction Cancer Surgery
- GIST and Carcinoid (Neuroendocrine Tumors) of the Stomach
- HIPEC — Hyperthermic (Or Heated) Intraperitoneal Chemotherapy
- Ileal Conduit Management
- Ileoanal Anastomosis (J-Pouch) Surgery
- Ileostomy
- Liver (Hepatobiliary) Surgery
- Lymphadenectomy (Lymph Node Dissection)
- Pancreatic Surgery
- Pancreaticoduodenectomy (Whipple procedure)
- Peritoneal Cytoreductive Surgery
- PIPAC — Pressurized Intraperitoneal Aerosol Chemotherapy
- Rectal Prolapse Surgery
- Rectal Surgery (Robotic and Laparoscopic)
- Re-Operative Cases
- Retroperitoneal Lymph Node Removal
- Robotic Surgery For: Colorectal, Gastroesophageal Junction, Liver, Pancreatic, Peritoneal Tumors, Splenic, Stomach and Other Tumors
- Stomach Cancer Surgery
- TAMIS — Transanal Minimally Invasive Rectal Surgery
- Chemotherapy
- Clinical Trials
- Genomic/Genetic Testing (Germline, Pharmacogenomic and Tumor/Somatic)
- Hyperthermic Intraperitoneal Chemotherapy (Hipec)
- Immunotherapy
- Multidisciplinary Specialty Clinics (MDC) for Colorectal and GI Cancers
- Precision Medicine
- Targeted Therapy
- Balloon Enteroscopy
- Capsule Endoscopy
- Endoscopic Ultrasound Guided Radiofrequency Ablation
- Endoscopic Full-Thickness Resection (EFTR)
- Endoscopic Mucosal Resection (EMR)
- Endoscopic Retrograde Cholangiopancreatography (ERCP)
- Endoscopic Submucosal Dissection (ESD)
- Feeding Tube Placement
- Per-Oral Endoscopic Myotomy (POEM)
- Polypectomy
- Stenting
- Submucosal Tunneling Endoscopic Resection (STER)
- Therapeutic Endoscopic Ultrasound (T-EUS)
- 3D Conformal Radiation Therapy
- Brachytherapy (High dose rate)
- Combine modality CRT
- CT-guided SBRT
- CT-guided adaptive SBRT
- Intensity Modulated Radiation Therapy (IMRT)
- MR-guided SBRT
- MR-guided adaptive SBRT
- Stereotactic Body Radiation Therapy (SBRT)
- Volumetric Modulated Arc Therapy
Why Choose City of Hope
Uniquely Integrated Approach
At City of Hope Orange County, a world-class team of clinicians and scientists is addressing gastrointestinal cancers with urgency, innovation, and a uniquely integrated approach to care.
- Real-time collaboration
- Clearer treatment plan
- Improved outcomes
- Reduced delays and stress
Unlike traditional programs that often involve fragmented and delayed care, every patient is seen by a coordinated team across surgery, medical oncology, radiation oncology, genetics, and supportive care — all under one roof at City of Hope Orange County Lennar Foundation Cancer Center in Irvine.
Breakthrough Research
City of Hope Orange County’s leadership in care is matched by our team’s trailblazing research.
NEST” clinical trial has shown promising results by combining the immunotherapy drugs botensilimab and balstilimab before surgery.
Studies on colon cancer emerging risk factors of lifestyle, genetics and microbiome profiles.
DNA repair research in cancer cells, with a focus on pancreatic cancer, aims to develop more effective, targeted therapies.
Immune biomarkers and novel therapeutics such as oncolytic viruses enhance early detection and treatment of GI cancers.
We work in partnership with you and your patients. Three ways to refer a patient.
- Call centralized referral at 866-408-1263.
- Download referral form and fax to 949-777-6750.
- Contact one of our regional clinics directly.
You may also connect with a physician liaison to help navigate the referral process.
Additional Referral Resource
We're here to help and welcome the opportunity to partner with you in providing your patients with the latest treatment innovations.
City of Hope Orange County's expertise in infusion therapy extends beyond cancer-related drugs. We also administer non-oncology medications.
City of Hope Orange County Lennar Foundation Cancer Center supports general x-ray, fluoroscopy, ultrasound, CT, MRI, molecular/nuclear medicine, and interventional radiology service request.
Gastrointestinal Experts
Our nationally recognized surgeons, oncologists, radiation oncologists, interventionalists, and supportive medicine specialty teams are all highly regarded for their innovation and utilization of the most advanced treatment techniques. One of only a few centers in the country treating gastrointestinal cancers using a coordinated, comprehensive approach — by a multidisciplinary team all located under one roof.
Profile Key:
- LFCC — City of Hope Orange County Lennar Foundation Cancer Center
- LBE — Long Beach Elm
- LBW — Long Beach Worsham
- NB — Newport Beach
- SC — Sand Canyon
- S — Seacliff
- Blue play button — Will play BIO video in existing window
- Full bio button — Will exit page and open full BIO
Director of Gastrointestinal Robotics | Complex Hepatobiliary and Pancreatic (HBP) Surgery
LFCC
Surgical Oncology | Gastroenterology & Stomach
LFCC
General, Colorectal & Endocrine Surgery
LBE
I. Benjamin Paz, M.D., is a nationally renowned surgical oncology surgeon, with expertise in breast cancer, gastrointestinal and rectal cancers, and tumors involving the bone and soft tissues.
Surgical Oncologist Gallbladder, Bile Duct, Liver (Hepatobiliary) and Pancreatic Surgeries
Duarte M.D. at LFCC
Director, Gastroenterology Minimally Invasive Therapy Program | Surgical Oncologist Stomach, Upper GI and Mixed Tumor Surgeries
Duarte M.D. at LFCC
Medical Oncology & Hematology
LFCC | S
Medical Director, GI Medical Oncology
LFCC
Medical Oncology & Hematology
LFCC | S
Medical Oncology & Hematology | Gastrointestinal & Genitourinary
NB
Medical Oncology & Hematology
LBE | LBW
Medical Oncology & Hematology
LFCC | NB
Medical Oncology & Hematology |
Breast Oncology
LFCC | NB
Medical Oncology & Hematology
NB
Interventional Gastroenterology
LFCC
Vice Chair of Clinical Research |
Medical Director, Radiation Oncology
LFCC
Interventional Radiology
LFCC
Medical Director, Integrative Medicine & Supportive Care | GI Medical Oncology
LFCC
Physiatrist | Physical Medicine
and Rehabilitation
LFCC | SC
Interventional Pain Management
LFCC | S
Your direct contact to help navigate the referral process.
- Answers for service offerings, locations and how to access our cancer experts.
- Help with patient intake, scheduling and post-appointment follow-up.
Orange County Regional
Network Locations
Find expert and compassionate care through our City of Hope network, including City of Hope Orange County's Cancer Specialty Hospital, Lennar Foundation Cancer Center and five network locations in Sand Canyon, Newport Beach, Huntington Beach, and Long Beach.
City of Hope National Medical Center Provider-Based Locations
TAX ID: 95-1683875 | SITE NPI#: 1750358297
Cancer Specialty Hospital
Lennar Foundation Cancer Center
1000 FivePoint, Irvine, CA 92618
Phone: 866-408-1263 | Fax: 949-777-6750
2100 Main St., Ste. 300, Huntington Beach, CA 92648
Phone: 866-408-1263 | Fax: 714-963-8407
Regional Network Clinics
TAX ID: 27-4803222 | SITE NPI#: 1871886366
1601 Avocado Ave., Newport Beach, CA 92660
Phone: 949-873-0726 | Fax: 949-536-8036
16300 Sand Canyon Ave., Ste. 207, Irvine, CA 92618
Phone: 949-333-7580 | Fax: 949-333-7599
1043 Elm Ave., Ste. 104, Long Beach, CA 90813
Phone: 562-590-0345 | Fax: 562-437-8139
3747 Worsham Ave., Ste. 101, Long Beach, CA 90808
Phone: 562-430-5900 | Fax: 562-799-8379