Heather Siefkes, M.D., M.S.C.I.

Heather Marie Siefkes, M.D., M.S.C.I.


Pediatric Critical Care




  • Assistant Professor


To see if Heather Marie Siefkes is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).

UC Davis Children's Hospital

2315 Stockton Blvd.
Sacramento, CA 95817
Driving Directions

Primary Phone:

Additional Phone Numbers

Clinic Phone: 800-282-3284
Physician Referrals: 800-4-UCDAVIS (800-482-3284)

Philosophy of Care

I believe there is no greater privilege than interfacing with children and helping them meet their potential. Caring for critically ill children and supporting their families is my passion and gives the me opportunity to help children meet their full potential. I am excited and honored to join the UC Davis Children's Hospital team. 

Clinical Interests

Dr. Siefkes practices in the Pediatric Critical Care Unit at UC Davis Children's Hospital. 

Research/Academic Interests

Dr. Siefkes enjoys teaching medical students, residents, nurses and other medical staff about pediatric critical care. She particularly enjoys using simulation as an educational tool. Her research interests include early detection of critical congenital heart disease in newborns and outcomes related to pediatrics critical care medicine. 


Pediatric Critical Care

Center/Program Affiliation

UC Davis Children's Hospital


M.D., Oregon Health & Science University School of Medicine, Portland OR 2010

M.S.C.I., University of Utah, Salt Lake City UT 2016

B.S., University of Oregon, Eugene OR 2004


Pediatrics, Oregon Health & Sciences University, Portland OR 2010-2013


Pediatric Critical Care, University of Utah, Salt Lake City UT 2013-2016

Board Certifications

American Board of Pediatrics,

American Board of Pediatrics, Pediatric Critical Care Medicine,

Professional Memberships

American Academy of Pediatrics

Society of Critical Care Medicine

Honors and Awards

Friends of Doernbecher Foundation Grant, 2012

American Academy of Pediatrics Resident Research Grant, 2012

Oregon Health & Science University N.L. Tartar Trust Fellowship Award, 2012

UC Davis, Clinical and Translational Science Center (CTSC) and College of Engineering (COE) Translational Design Projects, 2018

UC Davis Artificial Intelligence and Healthcare Seed Grant, 2019

CTSC UC Davis KL2 Scholar Program 5KL2TR001859-03, 2019

Select Recent Publications

Siefkes H, Kair L, Tancredi D, Vasquez B, Garcia L, Bedford-Mu C, Lakshminrusimha S. Oxygen Saturation and Perfusion Index Based Enhanced Critical Congenital Heart Disease Screening. Amer J Perinatology. Online April 19, 2019. DOI: 10.1055/s-0039-1685445. 

Lien MK, Siefkes HM, Rosenthal JL, Sauers-Ford HS, Mouzoon JL, Sigal IS et al. Telemedicine for Interfacility Nurse Handoffs. Pediatric Critical Care Medicine. Accepted March 26, 2019. 

Ferrazzano P, Rosario B, Wisniewski S, Shafi N, Siefkes H, Miles D, Alexander A, Bell M. Use of Magnetic Resonance Imaging in Severe Pediatric TBI: Assessment of Current Practice. Journal of Neurosurgery: Pediatrics. Online February 8, 2019. doi: https://doi.org/10.3171/2018.10.PEDS18374

Siefkes H, Holsti M, Morita D, Cook L, Bratton S. Seizure Treatment in Children Transported to Tertiary Care: Recommendation Adherence and Outcomes. Pediatrics. 2016;138(6):e20161527.

Siefkes H, Hamele M, Ampofo K, Poss WB. Risk Factors for Poor Outcomes and Therapeutic Strategies for Seasonal and Pandemic Influenza. Journal of Pediatric Intensive Care. 2014;3:217-226.  

Siefkes H. Positive Effect of High-Flow Nasal Cannula. AAP Grand Rounds. 2014;32(1):10. 

Siefkes H, Hogan W, Flood S, Ramsey K, Reller M, Starmer A, Phillipi C. Impact of Educational Video on Critical Congenital Heart Disease Screening. Clinical Pediatrics. 2014;53(8):731-744.