Summary

Dr. Robert Fan is a gastroenterologist with 28 years of experience treating digestive system disorders. He earned his medical degree from the University of Toledo College of Medicine and has dedicated nearly three decades to helping patients with complex gastrointestinal conditions. Dr. Fan is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Fan practices at multiple locations throughout California, including Murrieta, Long Beach, Simi Valley, and Fresno. His hospital affiliations include MemorialCare Long Beach Medical Center, Rancho Springs Medical Center, and Adventist Health Simi Valley, among others. He specializes in treating colon polyps, hemorrhoids, and GERD (gastroesophageal reflux disease). Dr. Fan performs essential diagnostic procedures such as colonoscopies and lower GI endoscopies to help identify and address digestive health concerns. Patients have given him an average rating of 2.8 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.8
  • 28 years of experience
  • speaks English, Spanish
  • University Of Toledo College Of Medicine
  • 5 written reviews
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 5 hospital affiliations
  • 11 office locations
  • Male

Office Locations

Dr. Robert Sai-Leung Fan has 11 locations

Temecula Valley Day Surgery

25495 Medical Center Dr Ste 101Murrieta, CA 92562
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

West Gastroenterology Medical Group

25495 Medical Center Dr Ste 302Murrieta, CA 92562
Mon8:30 am - 5:30 pm
Tue8:30 am - 5:30 pm
Wed8:30 am - 5:30 pm
Thu8:30 am - 5:30 pm
Fri8:30 am - 5:30 pm
SatClosed
SunClosed

West Gastroenterology Medical Group

2880 Atlantic Ave Ste 100Long Beach, CA 90806
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Rancho Springs Medical Center

25500 Medical Center DrMurrieta, CA 92562

College Medical Center

2776 Pacific AveLong Beach, CA 90806

Adventist Health Simi Valley

2975 Sycamore DrSimi Valley, CA 93065

West Gastroenterology Medical Group

3655 ALAMO ST STE 100SIMI VALLEY, CA 93063
Mon8:30 am - 5:30 pm
Tue8:30 am - 5:30 pm
Wed8:30 am - 5:30 pm
Thu8:30 am - 5:30 pm
Fri8:30 am - 5:30 pm
SatClosed
SunClosed

Golden Triangle Surgicenter

25405 Hancock Ave Ste 103Murrieta, CA 92562
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

Airport Endoscopy Center

8110 AIRPORT BLVD STE ALOS ANGELES, CA 90045
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Robert Sai-Leung Fan, MDTheresa Obonyano, APRNRachel Oliver, APRNAshley Anderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.8 
28 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Murrieta , CASACRAMENTO , CASACRAMENTO , CASACRAMENTO , CA
Med School: University Of Toledo College Of Medicine Med School: The University of Texas Health Science Center at Houston Med School: University of South Alabama Med School: East Tennessee State University - Quillen College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Robert Sai-Leung Fan

  • Accepts Medicare

Medical Specialties

Dr. Robert Sai-Leung Fan has the following specialty

Specialty Expertise

Dr. Robert Sai-Leung Fan has the following 12 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hip Osteoarthritis
  • Irritable Bowel Syndrome (IBS)
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Ulcerative Colitis

Certifications, License, & Education

28 Years Experience

Dr. Robert Sai-Leung Fan holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from University Of Toledo College Of Medicine in 1998.

NPI Number

Dr. Fan's NPI number is 1275604480.

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Frequently Asked Questions

Is Dr. Robert Fan accepting new patients?
Dr. Robert Fan is accepting new patients on Vitals. View Dr. Robert Fan's profile on Vitals to make an appointment.
Does Dr. Robert Fan accept my insurance?
You can see the insurance plans that Dr. Robert Fan accepts on their Vitals profile.
Which hospitals is Dr. Robert Fan affiliated with?
Dr. Robert Fan is affiliated with Memorialcare Long Beach Medical Center, Rancho Springs Medical Center, Adventist Health Simi Valley, College Medical Center, and Kaiser Permanente Fresno Medical Center.
Where is Dr. Robert Fan's office located?
Dr. Robert Fan's office is located at 25495 Medical Center Dr Ste 101, Murrieta, CA, 92562.
Does Dr. Robert Fan accept virtual/telehealth appointments?
Dr. Robert Fan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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