Top 15 Colitis Treatment Specialists in the United States

Identifying the right colitis treatment specialist is one of the most consequential decisions a patient with ulcerative colitis or Crohn's disease can make. This report profiles 15 notable gastroenterologists and IBD specialists practicing across the United States, drawing on verified institutional affiliations, clinical credentials, patient ratings, and published research records to provide an objective, data-grounded reference for patients and caregivers.

Approximately 900,000 Americans live with ulcerative colitis, a chronic inflammatory bowel disease affecting the colon and rectum, and up to 20% require hospitalization during severe flares. 1 Finding a physician with dedicated subspecialty training in inflammatory bowel disease (IBD) rather than general gastroenterology is widely recommended by clinical societies for patients with moderate-to-severe disease. 2 The 15 specialists and institutional profiles below represent a cross-section of the country's most credentialed IBD-focused practitioners, drawn from academic medical centers, major IBD foundations, and verified physician directories.

Why Subspecialty IBD Training Matters for Colitis Patients

Treatment for colitis has shifted significantly toward what clinicians call a treat-to-target strategy, using biologics and small-molecule drugs to achieve measurable mucosal healing rather than simply managing surface-level symptoms. 3 Research published in 2025 indicates that among biologic-naive patients with moderate-to-severe ulcerative colitis, agents such as upadacitinib and infliximab demonstrated rapid onset of efficacy, with upadacitinib showing higher odds of achieving a patient-reported outcome response as early as week two. 4 Specialists embedded in academic IBD programs are typically first to integrate such evidence into individualized treatment plans, which is why institutional affiliation carries meaningful weight when evaluating a physician's capabilities.

The American College of Gastroenterology, the American Gastroenterological Association, and the Crohn's and Colitis Foundation each operate physician-locator tools that allow patients to filter for IBD expertise. 5 These directories serve as starting points, but the profiles below go further by documenting each specialist's research output, clinical titles, patient ratings, and institutional setting.

Top 15 Colitis Treatment Specialists: Profiles and Credentials

The following table summarizes key data points for each of the 15 profiled specialists. Ratings are drawn from institutional patient-experience platforms where disclosed. Research output and clinical titles are sourced from official hospital provider pages and publicly available academic records.

SpecialistInstitution / LocationPatient RatingKey Clinical Title or Focus
Dr. Bret A. Lashner, MDCleveland Clinic, Cleveland, OH4.6 (28 reviews)Director, Center for Inflammatory Bowel Disease
Dr. Jean-Paul Achkar, MDCleveland Clinic, Cleveland, OH4.9 (17 reviews)Staff Physician, Gastroenterology; IBD Research Investigator
Dr. Benjamin Cohen, MDCleveland Clinic, Cleveland, OH4.7 (7 reviews)Co-Section Head and Clinical Director, IBD
Dr. Katherine Falloon, MDCleveland Clinic, Cleveland, OH4.9 (11 reviews)IBD Gastroenterology Specialist; Duke/Yale/Johns Hopkins trained
Dr. Suresh Pola, MDConsultants in Gastroenterology / Cleveland Clinic, OH4.95 (14 reviews)Director, Inflammatory Bowel Diseases; intestinal ultrasound specialist
Dr. David Alejandro Muniz Pedrogo, MD, MSJohns Hopkins, Lutherville, MD4.96 (14 reviews)Assistant Director, IBD Clinical Trials Unit; Assistant Professor
Dr. Berkeley N. Limketkai, MD, PhDUCLA Health, Los Angeles, CA4.9 (28 reviews)Director of Clinical Research, Center for IBD
Dr. David George Binion, MDUPMC, Pittsburgh, PA4.9 (47 reviews)IBD Gastroenterology and GI Transplant Surgery Specialist
Dr. Raymond K. Cross, MD, MSMercy Medical Center, Baltimore, MDN/A (200+ publications)Medical Director, Center for IBD; 2025 Medical Champion of Hope
Dr. David Harris Kerman, MDUniversity of Miami, Doral, FL4.8 (18 reviews)Associate Professor; Chief Medical Director, UHealth Doral
Dr. Amir Kashani, MD, MPHUniversity of Utah Health, Salt Lake City, UTAvailable (44 reviews)Co-Director, Breath Test Program; IBD and Crohn's specialist
Dr. Alexandra Gutierrez, MDColumbia University / CUIMC, New York, NY4.8 (65 ratings)Gastroenterology Specialist, Herbert Irving Pavilion
Dr. Tenzin Choden, MDUChicago Medicine, Chicago, ILN/AAssistant Professor of Medicine; IBD Fellowship Director
Dr. Richard Aranda, MDLos Angeles, CA5.0 (463 reviews)Gastroenterology; 83 publications, 2 patents, 20 years' experience
Dr. James Torosis, MDRedwood City, CA (Stanford-affiliated)Available45 years' experience; affiliated with Stanford, Sequoia, El Camino Hospitals

Cleveland Clinic: The Largest Concentration of IBD Specialists

Cleveland Clinic maintains one of the world's largest IBD centers and is home to four of the specialists on this list alone. 6 Dr. Bret Lashner received the Crohn's and Colitis Foundation of America Premier Physician Award in 1999 and has served as principal investigator on numerous IBD clinical trials, publishing extensively on clinical aspects of the disease. 7 Dr. Jean-Paul Achkar, who served as Director of the Cleveland Clinic Gastroenterology Fellowship Program from 2002 to 2007, has received research awards from the NIH, Cleveland Clinic, GlaxoSmithKline Institute for Digestive Health, and the American College of Gastroenterology. 8

Dr. Benjamin Cohen, who earned a Rising Star award from the Crohn's and Colitis Foundation in 2018, led a large multi-center clinical study on the safety of biologic medications in the peri-operative period. 9 Dr. Suresh Pola brings additional technical capability in intestinal ultrasound for real-time IBD evaluation, and directs a team-based program integrating nutrition services, IBD psychology, and pharmacy support. 10

A gastroenterologist reviewing colorectal imaging in a modern IBD specialty clinic in the United States
A gastroenterologist reviewing colorectal imaging in a modern IBD specialty clinic in the United States

Academic Medical Centers Driving IBD Research and Care

Beyond Cleveland, several other institutions represent significant centers of colitis expertise. Dr. David Alejandro Muniz Pedrogo at Johns Hopkins holds the role of assistant director of the IBD clinical trials unit and focuses his research on precision medicine approaches to treatment, specifically how the gut microbiome predicts therapeutic response. 11 Dr. Berkeley Limketkai at UCLA holds a PhD alongside his medical degree and launched the Fecal Microbiota Transplantation program at Stanford before establishing himself as Director of Clinical Research at UCLA's Center for IBD. 12

Dr. Raymond Cross at Mercy Medical Center in Baltimore has authored more than 200 peer-reviewed publications and was named the 2025 Medical Champion of Hope by the Crohn's and Colitis Foundation's DC/Maryland/Virginia chapter, recognizing his leadership in biologic therapy management and cancer surveillance for colitis patients. 13 Mount Sinai Hospital in New York is home to the Susan and Leonard Feinstein IBD Clinical Center, a globally recognized facility for advanced IBD research and specialized patient care. 14

Institutional Rankings and Where Specialists Practice

U.S. News and World Report ranks Mayo Clinic in Rochester, Minnesota, as the number-one hospital in the United States for gastroenterology and GI surgery, with a score of 100.0 out of 100 and patient experience rated at 5 out of 5. 15 Cedars-Sinai Medical Center in Los Angeles ranks second nationally with a score of 92.5 out of 100, operating the F. Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute, which focuses on personalized medicine for colitis patients. 16 Patients seeking specialists should consider whether the physician practices within one of these ranked systems, as institutional resources directly affect access to clinical trials, advanced endoscopy, and multidisciplinary support teams.

UCSF Medical Center in San Francisco provides specialized colitis care through its Colitis and Crohn's Disease Center, integrating immunology and surgery within a single clinical framework. 17 Johns Hopkins Hospital in Baltimore is noted for its advanced endoscopic treatments and active clinical trials for patients with refractory ulcerative colitis, a patient population with particularly complex treatment needs. 18

How to Evaluate and Access a Colitis Specialist

Patients navigating a referral to an IBD specialist should be aware of several practical realities. Not all gastroenterologists have completed advanced fourth-year IBD fellowships; for example, Dr. Amir Kashani at the University of Utah completed a dedicated fourth-year IBD fellowship at Vanderbilt University after his standard fellowship at Cedars-Sinai. 19 This additional training reflects the complexity of managing conditions where biologic therapy, surgical timing, and colorectal cancer surveillance must all be coordinated. Patients with IBD face a long-term risk of colorectal cancer estimated at approximately 18% after 30 years of disease, making ongoing specialist-led monitoring a clinical necessity rather than an optional layer of care. 20

The Crohn's and Colitis Foundation's physician-finder tool, the ACG's directory, and institutional provider search pages at Cleveland Clinic, UPMC, Johns Hopkins, UCLA, and the University of Miami all allow patients to identify specialists accepting new patients and offering virtual consultations. 21 Availability, geography, insurance network participation, language access, and whether a specialist is enrolled in active clinical trials are all factors that meaningfully shape which physician is the appropriate fit for an individual patient's situation. Eligibility for clinical trials, in particular, varies by disease severity, prior treatment history, and site-specific enrollment criteria.

Risks, Limitations, and Ongoing Care Considerations

Specialist-level IBD care involves ongoing management rather than a single corrective intervention. Biologic therapies and small-molecule drugs used for ulcerative colitis carry documented risks including immunosuppression, increased susceptibility to certain infections, and the need for regular laboratory monitoring. Treatment decisions in IBD are further complicated by the possibility of primary non-response or loss of response over time, requiring specialists to cycle through therapeutic classes or consider combination therapy. The multidisciplinary model, which includes IBD psychologists, pharmacists, nutritionists, and colorectal surgeons working alongside the gastroenterologist, has become the standard of care at leading centers precisely because no single clinician can address all dimensions of the disease alone.

Patients should also recognize that physician ratings on institutional platforms reflect patient experience survey methodology, not clinical outcomes, and that high publication counts signal research productivity rather than guaranteed superior patient care. The specialists profiled here represent a credentialed cross-section of the field, but the appropriateness of any given clinician depends heavily on the patient's specific disease type, severity, insurance coverage, and geographic access.

Sources

  1. Florida Digestive Specialists – Ulcerative Colitis Treatment Statistics (fldigestivespecialists.com)
  2. Crohn's and Colitis Foundation – Find a Doctor Resource (crohnscolitisfoundation.org)
  3. PMC / Singapore Medical Journal – Current Paradigms in the Management of IBD, 2025 (pmc.ncbi.nlm.nih.gov)
  4. Medscape – Fast Symptom Relief in Ulcerative Colitis: Which Treatment Wins?, July 2026 (medscape.com)
  5. American College of Gastroenterology – Find a GI Doctor Directory (gi.org); American Gastroenterological Association – Find a Gastroenterologist (gastro.org)
  6. Cleveland Clinic – IBD Center Overview (my.clevelandclinic.org)
  7. Cleveland Clinic Provider Profile – Bret A. Lashner, MD (providers.clevelandclinic.org)
  8. Cleveland Clinic Provider Profile – Jean-Paul Achkar, MD (providers.clevelandclinic.org)
  9. Cleveland Clinic Provider Profile – Benjamin Cohen, MD (providers.clevelandclinic.org)
  10. Cleveland Clinic Provider Profile – Suresh Pola, MD (providers.clevelandclinic.org)
  11. Johns Hopkins Medicine Provider Profile – David Alejandro Muniz Pedrogo, MD, MS (profiles.hopkinsmedicine.org)
  12. UCLA Health Provider Profile – Berkeley N. Limketkai, MD, PhD (uclahealth.org)
  13. PRWeb – Raymond K. Cross Named 2025 Medical Champion of Hope by Crohn's and Colitis Foundation (prweb.com)
  14. Mount Sinai Health System – Susan and Leonard Feinstein IBD Clinical Center (mountsinai.org)
  15. U.S. News and World Report – Best Hospitals for Gastroenterology and GI Surgery Rankings (health.usnews.com)
  16. Cedars-Sinai – F. Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute (cedars-sinai.org)
  17. UCSF Medical Center – Colitis and Crohn's Disease Center (ucsfhealth.org)
  18. Johns Hopkins Medicine – Inflammatory Bowel Disease Clinical Services (hopkinsmedicine.org)
  19. University of Utah Health Provider Profile – Amir Kashani, MD, MPH (healthcare.utah.edu)
  20. Florida Digestive Specialists – Colorectal Cancer Risk in Ulcerative Colitis (fldigestivespecialists.com)
  21. UPMC Provider Profile – David George Binion, MD (providers.upmc.com); University of Miami Health – David Harris Kerman, MD (doctors.umiamihealth.org)

Authored by 24Trendz team