The 20 Best Hemorrhagic Proctocolitis Doctors Near Me in Fullerton, CA

Find the Top Hemorrhagic Proctocolitis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 715 doctor with experience in Hemorrhagic Proctocolitis near Fullerton, CA. Of these, 623 are Experienced, 72 are Advanced, 14 are Distinguished and 6 are Elite.

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715 providers found
    Elite in Hemorrhagic Proctocolitis
    Gastroenterology
    Elite in Hemorrhagic Proctocolitis
    Gastroenterology

    Office

    9350 Campus Point Dr Ste 2B, 
    La Jolla, CA 
    Languages Spoken:
    English

    William Sandborn is a Gastroenterologist practicing medicine in La Jolla, California. Dr. Sandborn is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Hemorrhagic Proctocolitis, Ulcerative Colitis, Endoscopy, and Colonoscopy.

    Elite in Hemorrhagic Proctocolitis
    Gastroenterology
    Elite in Hemorrhagic Proctocolitis
    Gastroenterology

    UC San Diego Student Health SVC Pharmacy

    9500 Gilman Dr, 
    La Jolla, CA 
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Brigid Boland is a Gastroenterologist practicing medicine in La Jolla, California. She has been practicing medicine for over 18 years. Dr. Boland is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Ulcerative Colitis, Crohn's Disease, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy.

    Elite in Hemorrhagic Proctocolitis
    Gastroenterology
    Elite in Hemorrhagic Proctocolitis
    Gastroenterology

    Colitis And Crohn's Disease Center

    1701 Divisadero St., Suite 120, 
    San Francisco, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Uma Mahadevan is a gastroenterologist and director of the UCSF Colitis and Crohn's Disease Center. She is an expert on inflammatory bowel disease (IBD), particularly as it relates to pregnancy and fertility, and on managing patients with complex Crohn's disease and ulcerative colitis. In research, Mahadevan is interested in digital health for IBD and developing novel therapies for IBD, and she is involved in trials of new drugs and dietary therapies. Mahadevan earned her medical degree from the SUNY Downstate Health Sciences University College of Medicine, part of the State University of New York system. She completed a residency in internal medicine at the Mount Sinai Health System, a fellowship in gastroenterology at UCSF, and a fellowship in IBD at the Mayo Clinic in Rochester, Minnesota. Dr. Mahadevan is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Ulcerative Colitis, Viral Gastroenteritis, Crohn's Disease, Ileostomy, and Colonoscopy. Dr. Mahadevan is board certified in American Board Of Internal Med/Gastroenterology, Gastroenterology. Dr. Mahadevan is currently accepting new patients.

    Learn about our expert tiers
    Elite in Hemorrhagic Proctocolitis
    Gastroenterology
    Elite in Hemorrhagic Proctocolitis
    Gastroenterology

    Cedars-Sinai Inflammatory Bowel Disease Center

    8720 Beverly Blvd, 
    West Hollywood, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Gil Melmed is a Gastroenterologist practicing medicine in West Hollywood, California. Dr. Melmed is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Endoscopy, and Ileostomy.

    Elite in Hemorrhagic Proctocolitis
    Gastroenterology
    Elite in Hemorrhagic Proctocolitis
    Gastroenterology

    Cedars-Sinai Inflammatory Bowel Disease Center

    8720 Beverly Blvd, 
    West Hollywood, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Andres Yarur is a Gastroenterologist practicing medicine in West Hollywood, California. Dr. Yarur is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Viral Gastroenteritis, Hemorrhagic Proctocolitis, Small Bowel Resection, and Colonoscopy.

    Elite in Hemorrhagic Proctocolitis
    Internal Medicine
    Elite in Hemorrhagic Proctocolitis
    Internal Medicine

    The Regents Of The University Of California

    200 Medical Plz, 
    Los Angeles, CA 
    Languages Spoken:
    English

    Charles Bernstein is an Internal Medicine provider practicing medicine in Los Angeles, California. Dr. Bernstein is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy.

    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology
    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology

    The Regents Of The University Of California

    900 Weyburn Place, Suite 14 171, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Berkeley Limketkai is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Limketkai is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Colitis, Small Bowel Resection, and Colonoscopy.

    Distinguished in Hemorrhagic Proctocolitis
    Colorectal Surgery
    Distinguished in Hemorrhagic Proctocolitis
    Colorectal Surgery

    Cedars-Sinai Colorectal Surgery Center-Los Angeles

    8737 Beverly Blvd Ste 101, 
    West Hollywood, CA 
    Languages Spoken:
    English

    Phillip Fleshner is a Colorectal Surgeon practicing medicine in West Hollywood, California. Dr. Fleshner is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Ileostomy, and Small Bowel Resection.

    Distinguished in Hemorrhagic Proctocolitis
    Colorectal Surgery
    Distinguished in Hemorrhagic Proctocolitis
    Colorectal Surgery

    Cedars-Sinai Colorectal Surgery Center - Los Angeles

    8737 Beverly Blvd Ste 101, 
    West Hollywood, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Karen Zaghiyan is a Colorectal Surgeon practicing medicine in West Hollywood, California. Dr. Zaghiyan is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Anal Fissure, Ileostomy, and Hemorrhoidectomy.

    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology
    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Douglas Nguyen is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Nguyen is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Colitis, Crohn's Disease, Endoscopy, and Colonoscopy. Dr. Nguyen is currently accepting new patients.

    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology
    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology

    Office

    100 Medical Plz, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Jenny Sauk is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Sauk is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Ileostomy, and Endoscopy.

    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology
    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology

    Colitis And Crohn's Disease Center

    1701 Divisadero St., Suite 120, 
    San Francisco, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Jonathan Terdiman is a gastroenterologist who serves as co-director of UCSF's inflammatory bowel disease center and colorectal cancer prevention program. His research interests include colorectal cancer prevention, hereditary gastrointestinal cancer and inflammatory bowel disease. Terdiman earned his medical degree at Columbia University's Vagelos College of Physicians and Surgeons. He completed a residency in internal medicine and fellowships in critical care medicine and gastroenterology at UCSF. Terdiman frequently lectures in the community, at the university and for various professional organizations on the subjects he explores in his research. Dr. Terdiman is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy. Dr. Terdiman is board certified in American Board Of Internal Med/Gastroenterology, Gastroenterology. Dr. Terdiman is currently accepting new patients.

    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology
    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology

    UC San Diego Health Clinical Laboratory-La Jolla

    9350 Campus Point Dr, 
    La Jolla, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Siddharth Singh is a Gastroenterologist practicing medicine in La Jolla, California. Dr. Singh is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Hemorrhagic Proctocolitis, Ulcerative Colitis, Gastrectomy, and Endoscopy.

    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology
    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology

    5 Medical Plaza Care Center

    5 Medical Plaza Drive, Suite 140, 
    Roseville, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Danny Yen is a Gastroenterologist practicing medicine in Roseville, California. Dr. Yen is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Hemorrhagic Proctocolitis, Ulcerative Colitis, Gardner Syndrome, and Endoscopy. Dr. Yen is board certified in Gastroenterology. Dr. Yen is currently accepting new patients.

    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology
    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology

    Santa Maria Gastroenterology Medical Group

    1315 S Miller St, Ste 101, 
    Santa Maria, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Dr. Klaus Gottlieb is a translational scientist in immunology drug development with American Board certifications in Internal Medicine and Gastroenterology. He holds an MD-PhD (Dr.med.) degree from Bonn University in Germany, an MBA from Indiana University, and a Master of Science in Biotechnology from Johns Hopkins.He was most recently employed at the FDA, Quintiles (IQVIA), and Synthetic Biologics, Inc. He is now a Medical Fellow with Eli Lilly and Company and practices gastroenterology part-time in Santa Maria, CA. Dr. Gottlieb is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hemorrhagic Proctocolitis, Ulcerative Colitis, Colitis, Colonoscopy, and Endoscopy. Dr. Gottlieb is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Gottlieb is currently accepting new patients.

    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology
    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology

    Gastroenterology - Dignity Health - San Luis Obispo, CA

    1551 Bishop Street, Suite 230, 
    San Luis Obispo, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Board Certification: Certified by American Board of Internal Medicine, GastroenterologyFellowship Training: Duke University Medical CenterInternship and Residency: University of California, San Diego Medical CenterMedical School: University of Texas Southwestern Medical SchoolProfessional Memberships: Member, American Gastroenterological AssociationMember and Fellow, American College of Gastroenterology. Dr. Mundorf is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Lower Esophageal Ring, Benign Esophageal Stricture, Endoscopy, and Colonoscopy. Dr. Mundorf is board certified in Board Certified By American Board Of Internal Medicine, Gastroenterology. Dr. Mundorf is currently accepting new patients.

    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology
    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology

    Capitol GI Consultants

    4 Medical Plaza Dr, Ste 205, 
    Roseville, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Hsu received his medical degree from the University of Wales, College of Medicine, the United Kingdom, in 1985. He completed his Residency in Internal Medicine at the California Pacific Medical Center in San Francisco, California. Dr. Hsu received his G.I. Fellowship and Advanced Therapeutic Endoscopy Training at the University of California, Davis Medical Center (UCDMC). He is Board Certified in both Internal Medicine and Gastroenterology. Dr. Hsu has been in practice since 1989 and has been with Capitol G.I. since 2000. He served as Director of Endoscopy, G.I. Fellowship Training Program at UCDMC, and appointed Clinical Professor of Medicine since 2007. He is the current Governor of Northern California, American College of Gastroenterology and Co-Chair, CMAC of Northern California, Crohn's and Colitis Foundation. He has special interests in Barrett's Endoscopic Therapies, Endoscopic Retrograde Cholangiopancreatography, Colon Cancer Prevention, Inflammatory Bowel Disease, Intestinal Microbiome, and Fecal Microbiota Transplantation. Dr. Hsu sees patients in our Roseville office. Dr. Hsu is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Gas Bloat Syndrome, Gastrectomy, and Endoscopy. Dr. Hsu is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Hsu is currently accepting new patients.

    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology
    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology

    Santa Maria Gastroenterology Medical Group

    361 Town Center West, Ste 101, 
    Santa Maria, CA 
    Languages Spoken:
    English
    Accepting New Patients

    We understand that visiting the gastroenterologist may be a new experience for you and that you may be in pain or worried about your health. That?s why all the staff at the Santa Maria Digestive Diagnostic Center and Santa Maria Gastroenterology focus on making you feel comfortable and confident in our care. Our physicians and our medical team take extra care to listen to your concerns, answer all your questions and thoroughly explain your condition and treatment options. Dr. Vachhani is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Gastrectomy, and Colonoscopy. Dr. Vachhani is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Vachhani is currently accepting new patients.

    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology
    Advanced in Hemorrhagic Proctocolitis
    Gastroenterology

    Sutter Capitol Pavilion

    2725 Capitol Avenue, Suite 300, 
    Sacramento, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Abdul Khaleq is a Gastroenterologist practicing medicine in Sacramento, California. Dr. Khaleq is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Familial Adenomatous Polyposis, Turcot Syndrome, Gastrectomy, and Colonoscopy. Dr. Khaleq is board certified in Gastroenterology. Dr. Khaleq is currently accepting new patients.

    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology
    Distinguished in Hemorrhagic Proctocolitis
    Gastroenterology

    Office

    9350 Campus Point Dr Ste 2B, 
    La Jolla, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Gaurav Syal is a Gastroenterologist practicing medicine in La Jolla, California. Dr. Syal is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Small Bowel Resection, and Colonoscopy.

    Showing 1-20 of 715

    Last Updated: 04/28/2026

    What is the definition of Hemorrhagic Proctocolitis?

    Hemorrhagic proctocolitis is a condition in which there is inflammation in the lining of the colon and rectum that causes bleeding. Hemorrhagic proctocolitis has many possible causes.