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Gastroenterology and Hepatology

Advanced Practice Providers

Advanced practice providers are registered nurses who have achieved master’s and/or doctorate-level graduate education. They possess the advanced knowledge and clinical training in gastroenterology, hepatology and liver transplant that makes them vital members of the healthcare team.

Our gastroenterology and hepatology advanced practice providers work in concert with our physicians to ensure timely medical attention, provide thorough follow-up care and assist with patient education and the support of healthy lifestyle behaviors. Dedicated advanced practice providers have extensive experience caring for patients with gastrointestinal conditions. 

The outpatient services they offer include:

  • Routine patient follow-up
  • Urgent consultations and evaluations
  • Prescription refills
  • Ordering lab work, imaging and other diagnostic tests
  • Making appropriate referrals to other care providers
  • Patient/family support and resources

Quick Links

Gastroenterology

  • Joy Chinaram Bright-Agindotan, CRNP

    Expertise: Gastroenterology

    Primary Location: Sibley Memorial Hospital, Washington, DC

  • Nicole Marie deBettencourt, CRNP DNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville, Lutherville, MD

  • Morgan Colleen Donnellan Densford, CRNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Endoscopy & Surgery Center - Columbia, Columbia, MD

  • Sharon Dudley-Brown, CRNP PhD

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville, Lutherville, MD

  • Kristen Koller, CRNP

    Expertise: Gastroenterology

    Primary Location: Sibley Memorial Hospital, Washington, DC

  • Lauren Bosak Lu, CRNP DNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Endoscopy & Surgery Center - Columbia, Columbia, MD

  • Bridget Morris, CRNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville, Lutherville, MD

  • Valerie Owen, CRNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Bayview Medical Center, Baltimore, MD

  • Blake Owen Reddick, DNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville, Lutherville, MD

  • Jenna Rice, CRNP

    Expertise: Gastroenterology

    Primary Location: Sibley Memorial Hospital, Washington, DC

  • Monica Riegert, CRNP DNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Bayview Medical Center, Baltimore, MD

Liver Disease (Hepatology) and Liver Transplant

  • Nicole Marie deBettencourt, CRNP DNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville, Lutherville, MD

  • Jae Ok Lee, CRNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Endoscopy & Surgery Center - Columbia, Columbia, MD

  • Kathryn Lee-Young, CRNP DNP

    Expertise: Gastroenterology

    Primary Location: Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville, Lutherville, MD

  • Jenna Rice, CRNP

    Expertise: Gastroenterology

    Primary Location: Sibley Memorial Hospital, Washington, DC