Experienced in Cholecystitis

Dr. Joseph H. Ruan

General Surgery | Colorectal Surgery
Kaiser Permanente
Fontana Medical Center
9961 Sierra Avenue, 
Fontana, CA 
Accepting New Patients

Experienced in Cholecystitis
Kaiser Permanente
Fontana Medical Center
9961 Sierra Avenue, 
Fontana, CA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Joseph Ruan is a General Surgeon and a Colorectal Surgeon in Fontana, California. Dr. Ruan is rated as an Experienced provider by MediFind in the treatment of Cholecystitis. His top areas of expertise are Rectal Prolapse, Retroperitoneal Inflammation, Ogilvie Syndrome, Familial Colorectal Cancer, and Colostomy. Dr. Ruan is currently accepting new patients.

His clinical research consists of co-authoring 4 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Dalhousie University Faculty Of Dentistry
Specialties
General Surgery
Colorectal Surgery
Licenses
Surgery in CA
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Cigna
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
SCAN Health Plan
  • INSURANCE PLAN
  • MEDICARE MAPD
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO

Locations

Fontana Medical Center
9961 Sierra Avenue, Fontana, CA 92335
Call: 833-574-2273

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


4 Total Publications

Adjuvant Chemotherapy Does Not Improve Recurrence-Free Survival in Patients With Stage 2 or Stage 3 Rectal Cancer After Neoadjuvant Chemoradiotherapy and Total Mesorectal Excision.
Adjuvant Chemotherapy Does Not Improve Recurrence-Free Survival in Patients With Stage 2 or Stage 3 Rectal Cancer After Neoadjuvant Chemoradiotherapy and Total Mesorectal Excision.
Journal: Diseases of the colon and rectum
Published: January 31, 2020
View All 4 Publications
Similar Doctors
Distinguished in Cholecystitis
Dr. Thang D. Nguyen
General Surgery
Distinguished in Cholecystitis
Dr. Thang D. Nguyen
General Surgery
11180 Warner Ave, Suite 353, 
Fountain Valley, CA 
 (37.7 miles away)
714-434-0404
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Thang Nguyen is a General Surgeon in Fountain Valley, California. Dr. Nguyen is rated as a Distinguished provider by MediFind in the treatment of Cholecystitis. His top areas of expertise are Cholecystitis, Gallbladder Disease, Hernia, Gastrostomy, and Hernia Surgery.

Asok Doraiswamy
Distinguished in Cholecystitis
Dr. Asok Doraiswamy
General Surgery
Distinguished in Cholecystitis
Dr. Asok Doraiswamy
General Surgery

LA-Surgical

612 W Duarte Rd, Ste 804, 
Arcadia, CA 
 (35.5 miles away)
626-600-2094
Languages Spoken:
English, French, Mandarin, Spanish
See accepted insurances
Accepting New Patients
Offers Telehealth

Asok Doraiswamy is a General Surgeon in Arcadia, California. Dr. Doraiswamy is rated as a Distinguished provider by MediFind in the treatment of Cholecystitis. His top areas of expertise are Cholecystitis, Hernia, Gallbladder Disease, Gastrostomy, and Gastrectomy. Dr. Doraiswamy is currently accepting new patients.

Distinguished in Cholecystitis
Dr. Yasser H. Salem
General Surgery | Vascular Surgery
Distinguished in Cholecystitis
Dr. Yasser H. Salem
General Surgery | Vascular Surgery

Yasser Salem MD Professional Corp

8101 Newman Ave, Suite D, 
Huntington Beach, CA 
 (40.6 miles away)
714-545-5200
Languages Spoken:
English
See accepted insurances

Yasser Salem is a General Surgeon and a Vascular Surgeon in Huntington Beach, California. Dr. Salem is rated as a Distinguished provider by MediFind in the treatment of Cholecystitis. His top areas of expertise are Cholecystitis, Varicose Veins, Hernia, Hernia Surgery, and Endoscopy.

VIEW MORE CHOLECYSTITIS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Ruan's expertise for a condition
ConditionClose
        • Experienced
        • Bowel Incontinence
          Dr. Ruan is
          Experienced
          . Learn about Bowel Incontinence.
          See more Bowel Incontinence experts
        • Cholecystitis
          Dr. Ruan is
          Experienced
          . Learn about Cholecystitis.
          See more Cholecystitis experts
        • Colorectal Cancer
          Dr. Ruan is
          Experienced
          . Learn about Colorectal Cancer.
          See more Colorectal Cancer experts
        • Colostomy
          Dr. Ruan is
          Experienced
          . Learn about Colostomy.
          See more Colostomy experts
        • Diverticular Disease
          Dr. Ruan is
          Experienced
          . Learn about Diverticular Disease.
          See more Diverticular Disease experts
        • Encopresis
          Dr. Ruan is
          Experienced
          . Learn about Encopresis.
          See more Encopresis experts
        View All 11 Experienced Conditions
        Want to save this doctor for later?
        Sign Up
        Is this your doctor?
        Find A Second Opinion
        Not sure about your diagnosis?
        Check Your Symptoms
         
         
         
         
        Learn about our expert tiers
        Learn More
        Are you the provider on this profile?
        Claim Profile
        For Patients
        • Our Story
        • How MediFind Works
        • Conditions A-Z
        • Doctor Directory
        • Symptoms Directory
        • Procedures Directory
        • Treatment Directory
        • Drug Directory
        • Infusion Center Finder
        • FAQ
        • Contact Us
        For Providers and Practices
        • Claim Your Profile
        • Newsroom
        Business Solutions
        • Provider
        • Network Solutions
        Additional Resources
        • Consumer Health Data Privacy Policy
        • Privacy Policy
        • Terms of Use
        • Advertising Policy
        • Content Policy
        Subscribe to our newsletter

        Sign up to stay informed about MediFind and get wellness sent your way.

        Close

          By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

          Bullet PinMediFind
          Follow us on
          This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
          © 2026 All Rights Reserved

          Request an Appointment

          If you are experiencing a medical emergency, call 9-1-1.

          MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

          Patient Details

          This information is for the patient who will be seen at the appointment.

            Close

            Returning patient? Use your address on file with the provider.

            Insurance Details

            Please provide information of the primary insurance holder as the practice may require this information to schedule.

            Insurance Provider *
            Insurance ProviderClose

            Appointments Details

            Let’s get more information about your appointment.

                    0 / 1000
                    0 / 1000
                    By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.