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Ann Scheimann

Ann Scheimann, MD, MBA

Pediatric Gastroenterology

Accepting New Patients

Highlights

Age Groups Seen

  • Infant 0-2
  • Child 3-12
  • Adolescent 13-17

Languages

  • English

Gender

Female

Johns Hopkins Affiliations:

  • Johns Hopkins School of Medicine Faculty

About Ann Scheimann

Professional Titles

  • Medical Advisor, Weight Management Program

Primary Academic Title

Professor of Pediatrics

Johns Hopkins Physician

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Background

Dr. Ann O'Shea Scheimann is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include pediatric gastroenterology, nutrition and pediatric liver disease including cholestatic liver disease and fatty liver disease.

Dr. Scheimann received her B.S. from the University of Dayton. She earned her M.D. from the University of Cincinnati College of Medicine and her M.B.A. from Johns Hopkins. She completed her internship and residency in pediatric medicine and a fellowship in pediatric gastroenterology at the Baylor College of Medicine. In 2000, she joined the Johns Hopkins faculty in pediatrics, where her research focuses on non-alcoholic fatty liver disease, obesity and Prader-Willi syndrome.

Prior to joining Johns Hopkins, Dr. Scheimann was an assistant professor of pediatrics at Baylor College of Medicine.

In 2005, she developed Weigh Smart, a comprehensive pediatric weight management program funded by the Johns Hopkins Children’s Center, Mt. Washington Pediatric Hospital, and the University of Maryland.  She currently serves as the chair of the Pediatric Nutrition Advisory Committee at Johns Hopkins Children's Center.

Dr. Scheimann serves on the editorial boards of Pediatrics and Therapeutics, World Journal of Gastroenterology and World Journal of Hepatology. She has received numerous awards and including a grant from the Mt. Washington Pediatric Foundation to start the Weigh Smart program.  She has received research support from Agencies including the National Institutes of Health, Foundation for Prader-willi Research and Prader-willi Syndrome Association. She is a member of several professional organizations, including the American Association for the Advancement of the Study of Liver Disease, Obesity Society and the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition.

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Research Interests

Non-alcoholic fatty liver disease, Prader-willi Syndrome, obesity

Research Summary

Dr. Scheimann’s research focuses on non-alcoholic fatty liver disease, obesity and Prader-Willi syndrome in children.

Selected Publications

  • Allander SV, Durham SK., Scheimann AO, Wasserman RM, Suwanichkul A, Powell DR. Hepatic Nuclear Factor 3 and High Mobility Group I/Y Proteins Bind the Insulin Response Element of the Insulin-like Growth Factor-binding protein-1 Promoter, Endocrinology, 1997;138(10): 4291-300.

  • Durham SK., Suwanichkul A, Scheimann AO., Yee D, Jackson JG., Barr FG., Powell DR. FKHR Binds the Insulin Response Element in the Insulin-like Growth Factor Binding-protein-1 Promoter, Endocrinology, 1999;140(7): 3140-6.

  • Ellis KJ., Scheimann AO, Lee, PDK. Body Composition Measurements: Application in Prader-willi Syndrome, The Endocrinologist, July 2000, 10(4): 57S-63S.

  • Hourigan SK, Abrams S, Yates K, Pfeifer K, Torbenson M, Murray K, Roth CL, Kowdley K, Scheimann AO; NASH CRN. “Relation between vitamin D status and nonalcoholic fatty liver disease in children.” J Pediatr Gastroenterol Nutr. 2015 Mar;60(3):396-404. doi: 10.1097/MPG.0000000000000598.

  • Hourigan SK, Torbenson M, Tibesar E, Scheimann AO. “The full spectrum of hepatic steatosis in children.” Clin Pediatr (Phila). 2015 Jan 7. pii: 0009922814566927.

  • Powell, DR., Allander, SV., Scheimann, AO., Wasserman, RM., Durham, SK., Suwanichkul, A. Multiple Proteins Bind the Insulin Response Element in the Human IGFBP-1 Promoter. Progress in Growth Factor Research, 1995 6(2-4):93-101.

  • Scheimann AO, Butler MG, Cuffari C, Gourash L, Klish W. Critical Analysis of Bariatric Procedures in Prader-willi Syndrome. JPGN (in press).

  • Scheimann AO, Durham SK, Suwanichkul A, Snuggs MB, Powell DR. The Role of Three FKHR Phosphorylation Sites in Insulin Inhibition of FKHR Action in Hepatocytes. Hormone Metabolic Research, 2001 November; 33: 631-8.

  • Scheimann AO, Strautnieks SS, Knisely AS, Byrne JA,Thompson R, Finegold M. Mutations in Bile Salt Export Pump (ABCB11) in Two Children with Progressive Familial Intrahepatic Cholestasis and Cholangiocarcinoma. J Pediatr. 2007 May;150(5):556-9.

  • Schwimmer JB, Zepeda A, Newton KP, Xanthakos SA, Behling C, Hallinan EK, Donithan M, Tonascia J; Nonalcoholic Steatohepatitis Clinical Research Network. “Longitudinal assessment of high blood pressure in children with nonalcoholic fatty liver disease.” PLoS One. 2014 Nov 24;9(11):e112569. doi: 10.1371/journal.pone.0112569. eCollection 2014.

  • Stevenson DA, Heineman J, Angulo M, Butler MG, Loker J, Kendell P, Cassidy S, Scheimann AO. Gastric Rupture and Necrosis in Prader-willi Syndrome. J Pediatr Gastro Nutr 2007;45:272-4.

  • Stevenson DA, Heinemann J, Angulo M, Butler MG, Loker J, Rupe N, Kendell P, Clericuzio CL, Scheimann AO. Deaths Due to Choking in Prader-Willi Syndrome. Am J Med Genet A. 2007 Mar 1;143(5):484-7.

  • Tibesar E, Karwowski C, Hertel P, Scheimann A, Karnsakul W. “Two cases of progressive familial intrahepatic cholestasis type 2 presenting with severe coagulopathy without jaundice.” Case Rep Pediatr. 2014;2014:185923. doi: 10.1155/2014/185923. Epub 2014 Jun 2.

  • Vasilescu A, Cuffari C, Santo Domingo L, Scheimann AO. “Predictors of severity in childhood pancreatitis: correlation with nutritional status and racial demographics.” Pancreas. 2015 Apr;44(3):401-3. doi: 10.1097/MPA.0000000000000281.

  • Williams K, Scheimann A, Sutton V, Hayslett E, Glaze D. Sleepiness and Sleep Disordered Breathing in Prader-willi Syndrome: Relationship to Genotype, Growth Hormone Therapy and Body Composition. Journal of Clinical Sleep Medicine (in press).

Honors

  • International Scientific Advisory Board for the International Prader-willi Syndrome Association, 1/1/07
  • Grant Award, Mt. Washington Pediatric Foundation, 1/1/05
  • National Scientific Advisory Board for the Prader-willi Syndrome Association, 1/1/02
  • Accepted for Membership in the American Association for the Advancement of the Study of Liver Disease, 1/1/02
  • Clinical Fellowship Grant, Cystic Fibrosis Foundation, 1/1/93
  • Service Award, University of Cincinnati College of Medicine Alumni Association, 1/1/90
  • Bob Swain Service Award, University of Cincinnati College of Medicine, 1/1/88
  • Montgomery County Medical Society Award, University of Dayton, 1/1/86
  • Brother Molz Memorial Service Award, University of Dayton, 1/1/86
  • Whisman Academic Scholarship to the University of Cincinnati College of Medicine, 1/1/86

Lectures & Presentations

Childhood Obesity: A Crisis in Healthcare, Pediatric Grand Rounds, Johns Hopkins Hospital, Baltimore, MD, 1/1/05

Memberships

  • American Association for the Advancement of the Study of Liver Disease
  • North American Society for Pediatric Gastroenterology, Hepatology and Nutrition
  • Prader-Willi Syndrome Association
  • American Society for Parenteral and Enteral Nutrition
  • Obesity Society

Professional Activities

  • Data Safety Monitoring Committee, Peds C Study, National Institutes of Health, Chair, 1/1/10
  • International Hyperphagia Conference, Co-chair, 1/1/09
  • National Convention, Prader-Willi Syndrome Association, Co-chair, 1/1/06 - 1/1/07
  • National Scientific Meeting, Prader-Willi Syndrome Association, Co-chair, 1/1/07
  • NIH, Pediatric principal investigator, 1/1/02 - 1/1/08
  • Pediatrics and Therapeutics, Editorial Board
  • Planning Committee, Pediatric Nutrition Symposia, NASPGHAN, Chairperson, 1/1/11
  • Prader-Willi Syndrome Association, National Scientific Advisory Board, 1/1/02
  • World Journal of Hepatology, Editorial Board

Locations

  1. Rubenstein Child Health Building
  2. Johns Hopkins Children's Center
    • fax: 410-502-3380

Expertise

Education

  • Fellowship: Baylor College of Medicine, Pediatric Gastroenterology (Pediatrics), 1996
  • Medical Education: University of Cincinnati College of Medicine, Medicine, MD, 1990

Board Certifications

  • Pediatric Gastroenterology: American Board of Pediatrics, 1997
  • Pediatrics: American Board of Pediatrics, 1994

Insurance

Please contact the location directly to confirm your health plan is accepted.
Search plans
  • Aetna
  • CareFirst
  • Cigna
  • First Health
  • Geisinger Health Plan
  • HealthSmart/Accel
  • Johns Hopkins Health Plans
  • MultiPlan
  • Pennsylvania's Preferred Health Networks (PPHN)
  • Point Comfort Underwriters
  • Private Healthcare Systems (PHCS)
  • Veteran Affairs Community Care Network (Optum-VACCN)

Ratings & Reviews

4.8 out of 5

32 ratings, 10 reviews

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Overall Rating by Patient
Provider Listened Carefully
Provider Explained Things Clearly
Provider Knew Medical History
Provider Showed Respect
Provider Spent Enough Time
Search reviews
    5 out of 5 stars
    Reviewed on 2/26/2026

    Very kind and respectful, interested in improving my son's symptoms.

    5 out of 5 stars
    Reviewed on 2/20/2026

    Really listened, explained things well, very thorough, spent time helping

    5 out of 5 stars
    Reviewed on 1/29/2026

    She was amazing, super attentive and thoughtful, we are grateful to her!

    5 out of 5 stars
    Reviewed on 11/14/2025

    All right, all right

    5 out of 5 stars
    Reviewed on 10/24/2025

    Dr. Scheimann is always very helpful and attentive. She is obviously an expert in her field and continues to advance our understanding of our son's gastrointestinal issues.

    5 out of 5 stars
    Reviewed on 10/23/2025

    First visit with this doctor and she exceeded our expectations. She is a specialist for my son's particular syndrome so we sought her out and travelled from Virginia. Very happy with our decision to see her for my sons care.

    5 out of 5 stars
    Reviewed on 9/11/2025

    Dr. Scheimann is always caring, attentive and has a plan to move forward to care for my daughter with celiacs.

    5 out of 5 stars
    Reviewed on 7/24/2025

    She was great with our young son and she explained everything she was doing. She was very positive.

    5 out of 5 stars
    Reviewed on 5/16/2025

    Very communicative and wonderful to work with as a partner in my son's health

    5 out of 5 stars
    Reviewed on 4/18/2025

    Caring and very kind. Very informative and helpful