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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

Gastroenterology

  • Bacal, Carolyn S., MPH, PA-C

    Certified Physician Assistant
    Primary location: Johns Hopkins Bayview Medical Center
    Phone number: 410-933-7495
    Specialty: General Gastroenterology
    Education and Training: B.A., Duke University, B.H.S., Duke University, M.P.H., Johns Hopkins University
    Certifications: National Commission on Certification of Physician Assistant (NCCPA)
    Bacal, Carolyn S., MPH, PA-C
  • Bright-Agindotan, Joy, MSN, FNP-BC

    Certified Registered Nurse Practitioner
    Primary Location: Sibley Memorial Hospital
    Phone Number: 202-660-5555
    Specialties: General Gastroenterology, Pancreaticobiliary Disease
    Education and Training: M.S.N., Frontier Nursing University
    Certification: American Academy of Nurse Practitioners
    Languages: English, Igbo, Yoruba
    Bright-Agindotan, Joy, MSN, FNP-BC
  • Sharon Dudley-Brown, Ph.D.

    Certified Registered Nurse Practitioner
    Joint Appointment in Medicine
    Sharon Dudley-Brown, Ph.D.
  • Koller, Kristen, MSN, CRNP

    Certified Registered Nurse Practitioner
    Primary location: Sibley Memorial Hospital
    Phone number: 202-660-5555
    Specialties: Advanced Therapeutic Endoscopy, Bariatric Endoscopy, Pancreaticobiliary Disease
    Education and Training: B.S., Villanova University, M.S.N, Vanderbilt University
    Koller, Kristen, MSN, CRNP
  • Morris, Bridget, MSN, CRNP

    Certified Registered Nurse Practitioner
    Primary locations: Johns Hopkins Green Spring Station, Johns Hopkins Outpatient Center
    Phone number: 410-933-7495
    Specialties: General Gastroenterology, Anal Cancer Screening, High Resolution Anoscopy
    Education and Training: B.S.N., University of Delaware, M.S.N., Spring Arbor University, Gastroenterology and Hepatology Nurse Practitioner Fellowship, Johns Hopkins Medicine
    Morris, Bridget, MSN, CRNP
  • Owen, Valerie, MSN, CRNP

    Certified Registered Nurse Practitioner
    Primary location: Johns Hopkins Bayview Medical Center, Johns Hopkins in Columbia
    Phone number: 410-933-7495
    Specialties: General Gastroenterology, Motility Disorders
    Education and Training: B.S.N., Indiana University, M.S.N., Johns Hopkins University, Gastroenterology and Hepatology Nurse Practitioner Fellowship, Johns Hopkins Medicine
    Owen, Valerie, MSN, CRNP
  • Reddick, Blake, DNP, CRNP

    Certified Registered Nurse Practitioner
    Locations: Johns Hopkins Green Spring Station, Johns Hopkins Bayview Medical Center
    Phone number: 410-933-7495
    Specialty: General Gastroenterology, Inflammatory Bowel Disease
    Education and Training: B.S.N., Olivet Nazaren University, D.N.P., Purdue University, Gastroenterology and Hepatology Nurse Practitioner Fellowship, Johns Hopkins Medicine
    Reddick, Blake, DNP, CRNP
  • Riegert, Monica, DNP, CRNP

    Certified Registered Nurse Practitioner
    Primary locations: Johns Hopkins Hospital, Johns Hopkins Bayview Medical Center
    Phone number: 410-933-7495
    Specialty: General Gastroenterology
    Education and Training: B.S., Johns Hopkins University, M.S.N., Johns Hopkins University, D.N.P., Johns Hopkins University, Gastroenterology and Hepatology Nurse Practitioner Fellowship, Johns Hopkins Medicine
    Riegert, Monica, DNP, CRNP
  • Salamone, Ashley, MSN, CRNP

    Certified Registered Nurse Practitioner
    Primary locations: Johns Hopkins Green Spring Station, Johns Hopkins Hospital
    Phone numbers: 410-933-7495
    Specialties: Advanced Therapeutic Endoscopy, Pancreaticobiliary Disease, General Gastroenterology
    Education and Training: B.S., Loyola University Maryland, B.S., Drexel University, M.S.N., Johns Hopkins University
    Salamone, Ashley, MSN, CRNP
  • Weiss, Lindsey, DNP, CRNP

    Certified Registered Nurse Practitioner
    Primary Location: Sibley Memorial Hospital
    Phone Number: 202-660-5555
    Specialties: General Gastroenterology, Inflammatory Bowel Disease
    Education and Training: B.A., Brandeis University, M.S.N., University of Massachusetts, D.N.P., University of Massachusetts, Gastroenterology and Hepatology Nurse Practitioner Fellowship, Johns Hopkins Medicine
    Weiss, Lindsey, DNP, CRNP

Liver Disease (Hepatology) and Liver Transplant

  • Lee, Jae O., MSN, CRNP

    Certified Registered Nurse Practitioner
    Primary location: Johns Hopkins Green Spring Station, Johns Hopkins in Columbia
    Phone numbers: 410-933-7495
    Specialties: Liver Diseases, Liver Transplant
    Languages spoken: Korean
    Education and Training: B.S.N., University of North Carolina at Chapel Hill, M.S.N., Johns Hopkins University
    Lee, Jae O., MSN, CRNP
  • Lee-Young, Kate, DNP, CRNP

    Certified Registered Nurse Practitioner
    Primary location: Johns Hopkins Green Spring Station
    Phone number: 410-933-7495
    Specialties: Liver Diseases, Liver Transplant
    Education and Training: B.S.N., University of Maryland, M.S.N., University of Maryland, D.N.P., University of Maryland, Gastroenterology and Hepatology Nurse Practitioner Fellowship, Johns Hopkins Medicine
    Lee-Young, Kate, DNP, CRNP
 
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