Michael A. Posencheg, MD, serves as the Associate Chief of Quality Improvement and Patient Safety in the Division of Neonatology at Children’s Hospital of Philadelphia (CHOP). In this role, Dr. Posencheg leads the Quality Improvement and Patient Safety initiatives for newborn care. He has utilized education he received in the Improvement Advisor (IA) program at the Institute for Healthcare Improvement (IHI) to lead a quality improvement program which contains projects in the areas of hospital acquired infection, delivery room management, improving transitions of care, and decreasing in-unit complications. This work has resulted in multiple awards and recent publications.

In addition to his administrative responsibilities, Dr. Posencheg provides clinical service in the Newborn/Infant Intensive Care Unit at CHOP. During this service time, he is involved in both resident and fellow education, and has been named to the faculty honor roll at CHOP as well as awarded the Istvan Seri, MD, PhD Faculty Teaching Award in the Division of Neonatology in 2010-11 by the Neonatology Fellowship Program.

Education and Training

Medical School

MD - Brown University School of Medicine, Providence, RI


The Mount Sinai Medical Center, New York, NY


Pediatrics - The Mount Sinai Medical Center, New York, NY


Neonatal-Perinatal Medicine - The Children's Hospital of Philadelphia, Philadelphia, Pa.

Board Certification

Neonatal-Perinatal Medicine – American Board of Pediatrics
Pediatrics – American Board of Pediatrics

Titles and Academic Titles

Attending Neonatologist

Chief Medical Officer at Penn Presbyterian Medical Center

Professor of Clinical Pediatrics, Perelman School of Medicine at the University of Pennsylvania

Departments and Services




Niles DE, Cines C, Insley E, Foglia EE, Elci OU, Skåre C, Olasveengen T, Ades A, Posencheg M, Nadkarni VM, Kramer-Johansen J. Incidence and characteristics of positive pressure ventilation delivered to newborns in a US tertiary academic hospital. Resuscitation. 2017 Apr 11. pii: S0300-9572(17)30135-1. [Epub ahead of print]


Posencheg M, Kirpalani H. Placental Transfusion at Birth: Do We Have All of the Answers?. JAMA Pediatr. 2014 Nov 3. doi: 10.1001/jamapediatrics.2014.2347. [Epub ahead of print]


Demauro SB, Douglas E, Karp K, Schmidt B, Patel J, Kronberger A, Scarboro R, Posencheg M. Improving delivery room management for very preterm infants. Pediatrics. 2013 Oct; 132(4):e1018-25.


Patel J, Posencheg M, and Ades A, Proficiency and Retention of Neonatal Resuscitation Skills by Pediatric Residents. Pediatrics, September 2012, Volume 130(3), pp. 515-21.

Guillen U, Suh S, Munson 0, Posencheg M, Truitt E, Zupancic J, Gafni A, Kirpalani H, Development and Pretesting of a Decision-Aid to Use When Counseling Parents Facing Imminent Extreme Premature Delivery. Journal of Pediatrics, March 2012, volume 160(3), pp. 382-7.


DeMauro SB, Patel PR, Medoff-Cooper B, Posencheg M, and Abbasi S, Postdischarge Feeding Patterns in Early- and Late-Preterm Infants, Clinical Pediatrics, October 2011, volume 50, number 10, pp. 957-962.

Posencheg MA, Gow AJ, Wang, P, Gonzales LW and Guo C. Nitric Oxide and Cellular Maturity Are Key Components of Pro-Inflammatory Cytokine-Induced Apoptosis of Human Fetal Lung Epithelial Cells. The Open Cell Development & Biology Journal, 2011, Volume 3, pp. 1-5.


Posencheg MA, Gow AJ, Ballard PL, Merrill JD, Ischiropoulos H, Truog WE, Cnaan A, Luan X, Golombek SG, Parton LA, and Ballard RA, Effect of Inhaled Nitric Oxide in Premature Infants on Tracheal Aspirate and Plasma Nitric Oxide Metabolites, Journal of Perinatology, 2010 Apr;30(4):275-80.


Posencheg MA, Gow AJ, Truog WE, Ballard RA, Cnaan A, Golombek SG, et al. Inhaled nitric oxide in premature infants: effect on tracheal aspirate and plasma nitric oxide metabolites. J Perinatol. 2010 Apr;30(4):275-80. Epub 2009 Oct 8. Cited in PubMed; PMID 19812581. Read the article.


Bastek JA, Sammel MD, Pare E, Srinivas SK, Posencheg MA and Elovitz MA, Adverse Neonatal Outcomes: Examining the Risks Between Preterm, Late Preterm and Full Term Infants, American Journal of Obstetrics and Gynecology, 2008 Oct;199(4):367.e1-8.

Maus MV, Posencheg MA, Geddes K, Elkan M, Penaranda S, Oberste MS, and Hodinka RL, Detection of Echovirus 18 in Human Breast Milk, Journal of Clinical Microbiology, 2008 Mar;46(3): 1137-40.

Ballard PL, Truog WE, Merrill JD, Gow AJ, Posencheg MA, Golombek SG, Parton LA, Luan X, Cnaan A, Ballard RA. Plasma Biomarkers of Oxidative Stress: Relationship to Lung Disease and Inhaled Nitric Oxide Therapy in Premature Infants. Pediatrics, 2008 Mar; 121 (3):555-61.


Posencheg MA, Chen M, Healey CT, Lai P, Berns SO. Bicycle Helmet Protection in the Fox Point Community. Medicine and Health / Rhode Island. 1998; 81(1): 4-6.




Posencheg MA and Dennery PA, Hemolytic Disease of the Fetus and Newborn, Conn's Current Therapy, 2013, Section 20, Children's Health, pp. 1074-1078.


Posencheg MA and Dennery PA, Hemolytic Disease of the Fetus and Newborn, Conn's Current Therapy, 2012, Section 20, Children's Health, pp. 1079-1083.

Wright CJ and Posencheg MA, Newborn Jaundice, Schwartz's Clinical Handbook of Pediatrics, 5th Edition, 2012, Chapter 46, pp. 485-503.

Posencheg MA and Evans "IR, Chapter 31- Acid-Base, Fluid, and Electrolyte Management, Avery's Diseases of the Newborn, 9th Edition, 2012, Part VIII: Care of the High-Risk Infant, pp. 367-389.


Inglis G, Posencheg MA, Mernagh J, and Cartwright D, Chapter 7 - The Gastrointestinal Tract, Imaging of the Newborn, 2nd Edition, 2011, pp. 139-158.

Wang E, Mernagh J, and Posencheg MA, Chapter 12 - Routine Prenatal Screening During Pregnancy, Imaging of the Newborn, 2nd Edition, 2011, pp.220-234.

Posencheg MA and Wang E, Chapter 13 - Antenatal Diagnosis of Selected Defects, Imaging of the Newborn, 2nd Edition, 2011, pp. 235-249.

Posencheg MA and Dennery PA, Hemolytic Disease of the Fetus and Newborn, Conn's Current Therapy, 2011, Section 6, The Blood and Spleen, pp. 424-428.

Wright CJ and Posencheg MA, Chapter 72 - Neonatal Hyperbilirubinemia, Fundamentals of Pediatric Surgery, 2011, Part X: Liver, Biliary Tree, Pancreas, and Spleen, pp. 561-566.


Wright CJ and Posencheg MA, Newborn Jaundice, Schwartz's Clinical Handbook of Pediatrics, 4th Edition, 2009, Chapter 46, pp. 525-545


Wright CJ and Posencheg MA, New Strategies for the Prevention of Necrotizing Enterocolitis, Nutritional Care of the Preterm Infant, 2007, Chapter 13, pp 213-224 (In Portugese).

Posencheg, M and Pereira, G, Necrotizing Enterocolitis, Pediatric Gastroenterology: The Requisites in Pediatrics, 2007, Chapter 19, pp 163-169.


Gow AJ, Farkouh C, Munson D, Posencheg M, and Ischiropoulos H. Biological Significance of Nitric Oxide-Mediated Protein Modifications. American Journal of Physiology-Lung, Cell and Molecular Physiology. August 2004; 287(2): L262-268.