Our Division

Our Pediatric Endocrine division, which ranks in the top 50 programs in the U.S. News & World Report survey, draws patients from hundreds of miles throughout Northern California in a culturally rich environment and provides a rich and diverse clinical experience. The division also has a longstanding history of success in clinical research, and our department and the broader UC Davis community offer ample opportunities for collaborative research that expands the scope of opportunity for novel projects.


Left to Right: Dr. Abigail Fruzza, Dr. Yvonne Lee (Fellow), Dr. Dennis Styne, Dr. Lindsey Loomba, Dr. Nicole Glaser

Our Team

Our faculty is internationally recognized for expertise in diabetes, growth, puberty, childhood obesity and health services research. The nurses, dieticians, social workers, and other medical professionals on our pediatric endocrine team form a cohesive group that enjoys working together to care for our patients and their families. Our group has a history of developing novel clinical programs to improve outcomes for children with diabetes, including a recent Innovation Award for clinical care. 


Holiday gathering December 2021 (Covid compliant!)

Our Fellows

Our American Board of Pediatrics ACGME accredited fellowship curriculum provides a three-year training program for physicians who have completed their pediatric residency with distinction and who intend to develop a career in academic pediatric endocrinology. The program accepts just one fellow at a time to ensure that the trainee receives focused individual attention from all our faculty members. Previous fellows, with their excellent training in clinical care, research, and teaching, have achieved faculty appointments in other prestigious centers and reached distinction with academic publications. 


Samantha Jimenez, MD          Stephanie Christensen, MD

Clinical Training

Fellow clinical responsibilities increase throughout the program through graded independence with faculty oversight throughout. Fellow experiences range from consultations on the inpatient service to continuity of care in our outpatient environment. 

Our multidisciplinary clinics in neuro-oncology, adolescent-young adult diabetes transition, gender dysphoria and disorders of sexual development combine the clinical abilities of multiple specialty providers to enhance patient care and enrich the fellow’s clinical exposure. Our pioneering efforts in telemedicine allow us to serve patients from distant counties throughout California and further afield. Fellows achieve the core competencies of compassionate, appropriate, and effective patient care, state of the art medical knowledge, practice-based learning and improvement, interpersonal and communication skills, professionalism, and systems-based practice. 



Fellow research training utilizes the UC Davis Clinical and Translational Science Center (CTSC) as well as the extensive research resources available throughout the University of California, Davis campus.  Fellows can take advantage of the epidemiology, biostatistics and bioethics courses presented at our CTSC. The curriculum prepares the fellow to successfully become subspecialty certified by the American Board of Pediatrics.


How to Apply

Applications are submitted through the ERAS/National Resident Matching Program (NRMP) website beginning in July. Interviews occur on a continuing basis and the match occurs in December. We require a personal statement describing your training experiences to date, your interest in pediatric endocrinology, your future plans, a curriculum vitae and three (3) letters of reference addressed to our program director, Dr. Dennis M. Styne, which must include one from your residency program director.


California Medical Board Licensing Requirements

Key Information Regarding California GME Licensure Requirements

Changes effective January 1, 2020

  • A Postgraduate Training License (PTL) will be required for ALL RESIDENTS participating in a California ACGME program for the first 36 months of any ACGME training
    • A trainee must obtain a PTL within 180 days after enrollment in the program
    • After the first 36 months of any ACGME training Residents/Fellows MUST obtain a full and unrestricted California medical license
    • The PTL will be valid until 90 days after completion of the first 36 months of any ACGME training (to allow an applicant time to obtain a full and unrestricted license)
      * A PTAL will no longer be required for International Medical Graduates (IMG)
  • All residents and fellows are REQUIRED to have a full and unrestricted California Medical License after they complete 36 months of any ACGME (or RCPSC, CFPC) program training
  • California Licensure Requirements:
    • 36 months of ACGME training (ACGME-International Training is not applicable)
    • At least 24 consecutive months of ACGME training
      • in the same ACGME program
      • within the first 36 months of training

*  If a candidate does not meet this criterion, they may not train in California beyond 36 total months under any circumstances
*  ACGME-International Training is not applicable for a California Medical License

  • Applicants may (should) submit the PTL application and supporting documents soon as they have confirmation of acceptance into the ACGME program

For additional information please see the California Medical Board website.