DepartmentsEndocrinologyLocationPhoenix, ArizonaLanguagesEnglishExisting patientsSend a secure message via patient portal Conditions treatedAdrenal insufficiencyDiabetesOsteoporosisPituitary disorderThyroid disease InterestsGeneral EndocrinologyThyroid, Adrenal, Pituitary DisordersDiabetesOsteoporosis Mayo Clinic locations Phoenix, Arizona Driving Directions More info Billing & insurance Accessibility services Education1989Fellow - EndocrinologyUniversity of Minnesota1986Resident - Internal MedicineUniversity of Minnesota1983MDUniversity of Cincinnati College of Medicine1979BADartmouth CollegeShow more education Activities and honorsCertifications1989Endocrinology, Diabetes & MetabolismAmerican Board of Internal Medicine1986Internal MedicineAmerican Board of Internal MedicineProfessional memberships2013 - presentMemberMedicine Education Committee, Department of Internal Medicine2012 - presentMemberEndocrine Malignancies, Disease Oriented Group (DOG), Department of Internal Medicine2009 - presentMemberAmerican Diabetes Association2009 - presentMemberThe Endocrine Society2008 - presentEducation CoordinatorDivision of Endocrinology, Department of Internal Medicine2008 - presentMemberGraduate Education Committee, Department of Internal Medicine2007 - 2010MemberCME Accreditation Committee, American Association of Clinical Endocrinologists2006 - 2008Co-DirectorMedical Subspecialty Clinics, Maricopa Medical Center, Maricopa Integrated Health System2006 - 2008MemberQuality Management, University Physicians Health Plan, Maricopa Medical Center2006 - 2008MemberCredentialing, University Physicians Health Plan, Maricopa Medical Center2003 - 2008TreasurerMaricopa Medical Foundation, Maricopa Medical Center, Maricopa Integrated Health System2002 - presentMemberBoard of Directors, Maricopa Medical Foundation, Maricopa Medical Center2001 - 2008DirectorContinuing Medical Education, Department of Medicine, Maricopa Medical Center2001 - 2008ExecutiveDepartment of Medicine, Maricopa Medical Center, Maricopa Integrated Health System1994 - presentMemberAmerican Association of Clinical Endocrinologists1992 - 2008MemberQuality Improvement, Department of Medicine, Maricopa Medical Center1990 - 1992DirectorAdult Progressive Care Unit, Maricopa Medical Center, Maricopa Integrated Health System1990 - 1992MemberSpecial Care, Department of Medicine, Maricopa Medical Center1989 - 2006MemberRadiation Safety, Department of Medicine, Maricopa Medical Center1989 - 2001MemberCancer Group, Department of Medicine, Maricopa Medical Center1989 - 1996MemberResident Education, Department of Medicine, Maricopa Medical CenterShow more professional membershipsPublicationsSee my publications Conditions treatedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20224985 Doctors & Medical Staff Westphal, Sydney A. M.D.