Fernando Velayos, MD

Velayos, Fernando

Fernando Velayos, MD, is the Director of the newly created Kaiser Permanente Northern California Inflammatory Bowel Disease Program. He serves as the Associate Editor for the journal Digestive Diseases and Sciences; is on the Editorial Board of Gastroenterology, Clinical Gastroenterology and Hepatology, and Inflammatory Bowel Disease journals, and serves as a councilor for the IBD section of the American Gastroenterology Association.

Current Positions

  • Adjunct Investigator, Kaiser Permanente Division of Research
  • Physician Researcher, Delivery Science & Applied Research Physician Researcher Program, The Permanente Medical Group
  • Director, Kaiser Permanente Northern California Inflammatory Bowel Disease Program, The Permanente Medical Group

Section Affiliations

Primary Research Interests

  • The natural history of IBD, including the role of diet, the microbiome, and medical therapies
  • Clinical care pathways and treatments
  • Detection and management of pre-cancerous lesions in people with IBD
  • Using technology to optimize health and outcomes

Publications

Shot Heard Around the world? Subcutaneous Infliximab as Maintenance Therapy for Inflammatory Bowel Disease

Authors: Mulanax, Catalina;Velayos, Fernando S

Gastroenterology. 2024 Oct;167(5):841-842. Epub 2024-07-14.

PubMed abstract

Opioid Use and Outcomes in Patients Hospitalized With Acute Severe Ulcerative Colitis

Authors: Karlovich, Norah;McConnell, Ryan;Velayos, Fernando;Mahadevan, Uma;Lewin, Sara

Inflamm Bowel Dis. 2024 Sep 18.

PubMed abstract

A Response-able Diagnosis: Type 2 Autoimmune Pancreatitis in the Setting of Ulcerative Colitis

Authors: Kane, Kevin;Velayos, Fernando S;Lee, Jeffrey K;Cherny, Sarah;Karia, Kunal

Dig Dis Sci. 2024 Jun;69(6):1934-1938. Epub 2024-04-18.

PubMed abstract

Randomized trial of patient outreach approaches to de-implement outdated colonoscopy surveillance intervals

Authors: Lee, Jeffrey K;Velayos, Fernando S;Quesenberry, Charles P;Corley, Douglas A;Levin, Theodore R;Levin, Theodore R;et al.

Clin Gastroenterol Hepatol. 2024 Jan 06.

PubMed abstract

Risk Factors for Recurrent Emergency Care Utilization for Flares in Inflammatory Bowel Disease

Authors: Hassid, Benjamin G;Wei, Julia;Sax, Dana;Velayos, Fernando S

Acad Emerg Med. 2024 Jan;31(1):28-35. Epub 2023-11-05.

PubMed abstract

AGA Clinical Practice Guideline on the Role of Biomarkers for the Management of Crohn’s Disease

Authors: Ananthakrishnan, Ashwin N;Adler, Jeremy;Chachu, Karen A;Nguyen, Nghia H;Siddique, Shazia M;Weiss, Jennifer M;Sultan, Shahnaz;Velayos, Fernando S;Cohen, Benjamin L;Singh, Siddharth;AGA Clinical Guidelines Committee. Electronic address: clinicalpractice@gastro.org,

Gastroenterology. 2023 Dec;165(6):1367-1399.

PubMed abstract

Common Instances of Low-value Care in Inflammatory Bowel Diseases

Authors: Singh, Siddharth;Velayos, Fernando S;Rubin, David T

Clin Gastroenterol Hepatol. 2023 Oct 23.

PubMed abstract

Psychiatric Diagnoses, Medication, and Service Use Among Patients Who Receive Emergency Care for Inflammatory Bowel Diseases

Authors: He, Jimmy Z;Hirschtritt, Matthew E;Wei, Julia;Ramalingam, Nirmala D;Kahane, Shellie M;Velayos, Fernando S;Hassid, Benjamin G

Inflamm Bowel Dis. 2023 Sep 04.

PubMed abstract

Brief Communication: The Contemporary Probability of Occult Colorectal Cancer in Patients with Colitis-Related Dysplasia undergoing Colectomy

Authors: Boparai, Eshandeep S;Lee, Jeffrey K;Zhu, Shiyun;Shirazi, Aida;Velayos, Fernando S

Am J Gastroenterol. 2023 Aug 01;118(8):1453-1456. Epub 2023-04-11.

PubMed abstract

Editorial: Pip pip to PIP’s (post-inflammatory polyps) as a neoplasia risk factor in IBD?

Authors: Velayos, Fernando S

Aliment Pharmacol Ther. 2023 Aug;58(3):361-362.

PubMed abstract

Rise over Runs: Elevated Creatinine and a New Diagnosis of Inflammatory Bowel Disease

Authors: Velayos, Fernando S

Dig Dis Sci. 2023 May;68(5):1706-1708. Epub 2023-03-07.

PubMed abstract

On a Knife’s Edge: Management of Vulvar Cutaneous Crohn’s Disease

Authors: Evans, Nicole S; Velayos, Fernando S

Dig Dis Sci. 2023 Apr;68(4):1113-1117. Epub 2023-02-18.

PubMed abstract

Increased Risk of Hospitalization, Surgery and Venous Thromboembolism Among Patients with Inflammatory Bowel Disease and Malnutrition in a Large, Community-Based Healthcare System

Authors: Fine, Liat S; Zhu, Shiyun; Shirazi, Aida; Lee, Jeffrey K; Velayos, Fernando S

Am J Gastroenterol. 2023 Mar 09.

PubMed abstract

AGA Clinical Practice Guideline on the Role of Biomarkers for the Management of Ulcerative Colitis

Authors: Singh, Siddharth; Ananthakrishnan, Ashwin N; Nguyen, Nghia H; Cohen, Benjamin L; Velayos, Fernando S; Weiss, Jennifer M; Sultan, Shahnaz; Siddique, Shazia M; Adler, Jeremy; Chachu, Karen A; AGA Clinical Guidelines Committee. Electronic address: clinicalpractice@gastro.org,

Gastroenterology. 2023 Mar;164(3):344-372.

PubMed abstract

Delayed Initiation of Rescue Therapy Associated with Increased Length of Stay in Acute Severe Ulcerative Colitis

Authors: Caplan, Alyssa; McConnell, Ryan; Velayos, Fernando; Mahadevan, Uma; Lewin, Sara

Dig Dis Sci. 2022 Dec;67(12):5455-5461. Epub 2022-04-07.

PubMed abstract

Appropriateness of Medical and Surgical Treatments for Chronic Pouchitis Using RAND/UCLA Appropriateness Methodology

Authors: Syal, Gaurav; Velayos, Fernando; Melmed, Gil Y; et al.

Dig Dis Sci. 2022 Oct;67(10):4687-4694. Epub 2022-01-10.

PubMed abstract

Declining Colectomy Rates for Nonmalignant Colorectal Polyps in a Large, Ethnically Diverse, Community-based Population

Authors: Alam, Asim; Corley, Douglas A; Lee, Jeffrey K; Lee, Jeffrey K; et al.

Clin Transl Gastroenterol. 2022 05 01;13(5):e00477. Epub 2022-05-01.

PubMed abstract

AGA Clinical Practice Update on Endoscopic Surveillance and Management of Colorectal Dysplasia in Inflammatory Bowel Diseases: Expert Review

Authors: Murthy, Sanjay K; Feuerstein, Joseph D; Nguyen, Geoffrey C; Velayos, Fernando S

Gastroenterology. 2021 09;161(3):1043-1051.e4.

PubMed abstract

Retrospective Cohort Study Comparing Infliximab-dyyb and Infliximab in Biologic-Naive Patients With Inflammatory Bowel Disease in the United States

Authors: Smith, Joshua T; Velayos, Fernando S; Niu, Fang; Liu, Vincent; Delate, Thomas; Pola, Suresh; Le, Kim; Hui, Rita L

Crohns Colitis 360. 2021 Jul;3(3):otab051. Epub 2021-07-29.

PubMed abstract

Management of Recurrent Clostridioides Infection: A Difficile Problem in Inflammatory Bowel Disease Patients

Authors: Lam, Angela Y; Gutin, Liat S; Nguyen, Yume; Velayos, Fernando S

Dig Dis Sci. 2020 11;65(11):3111-3115.

PubMed abstract

Day-by-Day Management of the Inpatient With Moderate to Severe Inflammatory Bowel Disease

Authors: Lewin, Sara; Velayos, Fernando S

Gastroenterol Hepatol (N Y). 2020 Sep;16(9):449-457.

PubMed abstract

Going Viral: Management of IBD in the Era of the COVID-19 Pandemic

Authors: Gutin LS; Lam AY; Velayos FS; Santos SA

Dig Dis Sci. 2020 06;65(6):1571-1575.

PubMed abstract

Biosimilars for the Treatment of Inflammatory Bowel Disease

Authors: Rudrapatna VA; Velayos F

Pract Gastroenterol. 2019 Apr;43(4):84-91.

PubMed abstract

How Dye May Prevent Dying from Cancer: Perceiving Imperceptible Dysplasia in Inflammatory Bowel Disease

Authors: Lewin SM; Wen KW; Velayos FS; Mahadevan U; Beck KR

Dig Dis Sci. 2019 01;64(1):52-55.

PubMed abstract

Incidence, prevalence, and time trends of pediatric inflammatory bowel disease in Northern California, 1996 to 2006

Authors: Abramson O; Allison JE; Velayos FS; Herrinton LJ; et al.

J Pediatr. 2010 Aug;157(2):233-239.e1. Epub 2010 Apr 18.

PubMed abstract

Our Team
Back To Top