Endocrinology & Diabetes Care Team

The endocrinology team at Stanford Children’s Health includes many different specialists working together to provide care for your child.


Nurse Practitioners


  • Stephanie Crossen, MD
  • Hilary Seely, MD
  • Claire Lande, MD
  • Laura Nally, MD


Psychology fellows

  • Estibaliz Iturralde, PhD
  • Molly Tanenbaum, PhD

Certified Diabetes Educators

  • Katie Cefalu, RN, CDE
  • Annette Chmielewski,  MS, RD, CDE
  • Barry Conrad, MPH, RD, CDE
  • Kristen Davis, RD, CDE
  • Kristine Peterson, RN, CDE
  • Martin Preston, RN, CDE
  • Julianne Senaldi, RN, CDE

Registered Dieticians

  • Seerath Basravi, RD, CDE
  • Yvette Cattalini, MS, RD, CDE
  • Trudy Esrey, RD, CDE
  • Monica Nevitt, MS, RD
  • Lonnie Wong, RD

Registered Nurses

  • Holly Bernal, RN, MS
  • Alex Freeman, RN, MS

Social Worker

Administrative Staff

  • Ofelia Colin – Administrative Associate
  • Nora Arrizo-Ruiz – Patient Coordinator
  • Christopher Morris – Physician Practice Manager

Family Advisory Committee

  • Melissa Anderson
  • Dana Nelson
  • Jae Jun

What is a Pediatric Endocrinologist?

A Pediatric Endocrinologist is a physician who treats children with diabetes and other endocrine gland disorders

What is a Nurse Practitioner?

A Nurse Practitioner is a provider who independently provides care to patients in our Diabetes and Endocrinology clinics.  Our NP staff are also CDEs and have longer appointment times to allow for diabetes education.

What is a Certified Diabetes Educator (CDE)?

A CDE is a health professional who possesses comprehensive knowledge of and experience in Type 1 Diabetes, Type 2 Diabetes, and pre-diabetes. The CDE educates and supports people affected by diabetes to understand and manage the condition. A CDE promotes self-management to achieve individualized behavioral and treatment goals that optimize health outcomes.  You will meet with a CDE if you are newly diagnosed with diabetes, have issues with troubleshooting blood sugars and/or devices.  You can also reach our CDEs by calling our CDE line.

What is a Registered Dietician (RD)/Nutritionist?

An RD can give you more information about eating for a healthy lifestyle, eating for optimal sports performance, and eating to gain or lose weight.  If you have Diabetes, our RDs can help you master carbohydrate counting and help you understand how different types of foods affect blood sugar.