Chief Medical Officer

Ching Wang, MD, FACP

Location - Yuma Internal Medicine Clinic.
Specialty - Internal Medicine.
Med School - Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, graduated December 1989.
Residency - New York Methodist Hospital in Brooklyn, NY, completed training June 1995.
Certification - Board Certified with the American Board of Internal Medicine, 1996, re-certified in 2006.
Preceptor - South University School of Nursing, Midwestern University.
Joined Sunset August 1996.

Associate Medical Director

Saika Somjee, MD

Location - Somerton Pediatric Clinic.
Specialty - Pediatrics / Pediatric Hematology - Oncology.
Med School - Seth G. S. Medical College, Mumbai, India, graduated June 1993.
Residency - Louisiana State University Health Science Center, Metaire, LA, completed training June 2007.
Fellowship - Pediatric Hematology-Oncology, Louisiana State University Health Science, Metaire, LA, completed training June 2005.
Certification - Board Certified with the American Board of Pediatrics, 2007.
Board Certified with the American Sub-Board of Pediatric Hematology-Oncology, 2009.
Preceptor -Northern Arizona University.
Academic Appointment- Director of Pediatrics Clinical Education - Outpatient, YRMC Family Medicine Residency Program.
Joined Sunset July 2007.

Certified Nurse Midwife

Linda Bentley, CNM

Location - Sunset Women's Medical Group - Yuma and San Luis Clinic.
Specialty - Certified Nurse Midwife.
School - State University of New York Health Science Center, Brooklyn, NY, completed training August 1990.
New Hampshire Technical Institute, Concord, New   Hampshire, associate degree in nursing, completed June 1979. 
Certification - Board Certified with the American College of Nurse-Midwives, 1990.
Joined Sunset November 2007.

Delia Montopoli, CNM, MSN, OGNP-C

Location - Sunset Women's Medical Group - Yuma and San Luis Clinic.
Specialty - Certified Nurse Midwife / Health Nurse Practitioner.
School - University of Chile School of Medicine, Santiago, Chile, completed training 1976.
University of Wyoming School of Nursing,
Laramie, WY, completed Master degree 1995.
Certification - Board Certified with American Midwifery Certification Board, 1995.
Board Certified with the National Certification Corporation for the Obstetric, Gynecologic and Neonatal Nursing Specialties.
Master Degree in Nursing Education, 1993.
Preceptor - Frontier Nursing University, Georgetown Nursing University, Midwestern University, Northern Arizona University, Maryville University.
Joined Sunset March 1996.

Melody J. Castillo, CNM, FNP-C

Location - Sunset Women’s Medical Group - Yuma and San Luis Clinic.
Specialty - Certified Nurse Midwife / Family Nurse Practitioner.
School - Vanderbilt University School of Nursing, Nashville, TN, completed May 2014.
Certification - Board Certified with the American Midwifery Certification Board, 2013.
Board Certified with the American Academy of Nurse Practitioners.
Preceptor - South University School of Nursing.
Joined Sunset July 2014.

Karina M. Robbins, CNM

Location - Sunset Women’s Medical Group - Yuma Clinic.
Specialty - Certified Nurse Midwife.
School - University of Utah, Salt Lake City, Utah, completed May 2008.
Certification - Board Certified with American Midwifery Certification Board, 2008.
Preceptor - Frontier University. 
Joined Sunset August 2014.

Family Medicine

Sathya Vemuri, MD

Location - Yuma Clinic.
Specialty - Family Medicine.
Med School - Gandhi Medical College, Hyderabad, India, graduated January 1996.
Residency - St Joseph Hospital and Medical Center, Paterson, NJ, completed training June 2002.
Certification - Board Certified with the American Board of Family Medicine, 2002, re-certified in 2009.
Joined Sunset August 2002.

Tuyet N. Luu, MD

Location - Wellton Clinic.
Specialty - Family Medicine.
Med School - St. Matthew’s University, Belize / Grand Cayman, graduated May 2002.
Residency - St. Joseph’s Hospital, Yonkers, NY, completed training July 2011.
Certification - Board Certified with the American Board of Family Medicine, 2011.
Joined Sunset May 2014.

Jonathan Navarro, PA-C

Location - Yuma Clinic.
Specialty - Physician Assistant / Family Medicine.
School - Chatham University, Pittsburg, PA, graduated July 2014.
Certification - Board Certified with the National Commission on Certification of Physician Assistant, 2014.
Joined Sunset October 2014.

Pamela Sharp, FNP-BC

Location - Somerton Clinic - Extended Hours.
Specialty - Family Nurse Practitioner.
School - Regis University, Denver, CO, graduated May 2014.
Certification- Board Certified with American Nurses Credential Center, 2014. 
Joined Sunset September 2014.

Katelyn McElhany, PA-C

Location - San Luis Clinic.
Specialty - Physician Assistant / Family Medicine.
School - Midwestern University, Glendale, AZ, graduated August 2014.
Certification - Board Certified with the National Commission on Certification of Physician Assistant, 2014.
Preceptor - Midwestern University.
Joined Sunset September 2014.

Richard A. Scott, FNP-C, DC

Location - Yuma Internal Medicine Clinic.
Speciality - Family Nurse Practitioner.
School - Maryville University, St. Louis, MO, graduated August 2015.
Certification - Board Certified with the American Academy of Nurse Practitioners, 2015.
Joined Sunset November 2015.

Rabia Khan, FNP-C

Location - San Luis Clinic.
Specialty - Family Nurse Practitioner.
School - Georgetown University, Washington, DC, graduated December 2015.
Certification – Board Certified with the American Academy of Nurse Practitioners, 2016.
Joined Sunset March 2016.

General Dentistry

Satish Kumar, DDS

Location - Somerton Dental Clinic.
Specialty - General Dentistry.
Dental School - Government Dental College and Hospital, Amristar, India, graduated April 1979.
Joined Sunset March 1993.

Justin Jones, DMD

Location - San Luis and Somerton Dental Clinic.
Specialty - General Dentistry.
Dental School - A.T. Still University School of Dentistry and Oral Health, Mesa, AZ, graduated May 2015.
Joined Sunset August 2015.

Lindsay Blazsek, DMD

Location - San Luis and Somerton Dental Clinic.
Specialty - General Dentistry.
Dental School - Midwestern University College of Dental Medicine, Glendale, AZ, graduated May 2015.
Joined Sunset August 2015.

Internal Medicine

Maria Fereira-Caroz, MD

Location - Somerton Internal Medicine Clinic.
Specialty - Internal Medicine.
Med School - La Universidad del Zulia School of Medicine, Maracaibo, Venezuela, graduated December 2003.
Residency - Morehouse School of Medicine, Atlanta, GA, completed training June 2014.
Certification - Board Certified with the American Board of Internal Medicine, 2014. 
Joined Sunset November 2014.

Oliver Severino, MD

Location - San Luis Internal Medicine Clinic.
Specialty - Internal Medicine.
Med School - University of the Philippines, Manila, Philippines, graduated May 2000.
Residency - The Jewish Hospital of Cincinnati, Cincinnati, OH completed training June 2005.
Certification - Board Certified with the American Board of Internal Medicine, 2005, re-certified 2015.
Joined Sunset August 2005.

Kyi Moe, MD

Location - Yuma Internal Medicine Clinic.
Specialty - Internal Medicine.
Med School - Institute of Medicine (I), Yangon, Myanmar, graduated June 2001.
Residency - St. John's Episcopal Hospital, Far Rockaway, NY, completed training June 2011.
Certification - Board Certified with the American Board of Internal Medicine, 2011.
Joined Sunset November 2011.

David J. Atondo, FNP-C

Location - Yuma Internal Medicine Clinic.
Specialty - Family Nurse Practitioner.
School - Northern Arizona University, Flagstaff, AZ, graduated May 2013.
Certification - Board Certified with the American Academy of Nurse Practitioners, 2013.
Joined Sunset August 2013.

Mohammad Zargarian, MD

Location - Yuma Internal Medicine Clinic.
Specialty - Internal Medicine.
Med School - Universidad de Santiago (UTESA), Santo Domingo, Dominican Republic, graduated January 1989.
Residency - St. Luke's Memorial Hospital, Ponce, Puerto Rico, completed training June 2001.
Certification - Board Certified with the American Board of Internal Medicine, 2007.
Joined Sunset November 2015.

Richard Fortney, PA-C

Location - Somerton Internal Medicine Clinic.
Specialty - Physician Assistant / Internal Medicine.
School -Northern Illinois University, Dekalb, IL, completed Bachelors and Master, May 1987.
Certification - Board Certified with the National Commission on Certification of Physician Assistants, 1992,  re-certified in 2007.
Joined Sunset February 2007.

Ana Marie Rivera, MSN, FNP-C

Location - Yuma Internal Medicine Clinic.
Specialty- Family Nurse Practitioner.
School-University of Arizona, Tucson, AZ, graduated 2004.
Certification - Board Certified with the American Academy of Nurse Practitioner, 2004.
Joined Sunset December 2013.

Obstetrics and Gynecology

Terry A. Lewis, MD, FACOG

Location - Sunset Women’s Medical Group - Yuma Clinic.
Specialty - Obstetrics and Gynecology.
Med School - University of New Mexico, Albuquerque, NM, graduated 1974.
Certification - Board Certified with the American Board Of Obstetrics and Gynecology, 1981.
Residency - Naval Regional Medical Center, Oakland, California, 1978. 
Joined Sunset February 2014.

Angel R. Temponi Zabala, MD

Location - Sunset Women’s Medical Group - Yuma and San Luis Clinic.
Specialty - Obstetrics and Gynecology.
Med School - Emory University School of Medicine, Atlanta, GA, graduated June 2014.
Residency - Emory University School of Gynecology and Obstetrics, graduated June 2014.
Certification - Board Certified with the American College of Obstetricians and Gynecologists, 2014.
Preceptor - Walden University, Indiana State University, Grand Canyon University College of Nursing, Northern Arizona University.
Joined Sunset July 2014.

Pediatrics

Raymond Hatton, MD

Location - Yuma Pediatric Clinic.
Specialty - Pediatrics.
Med School - University of Louisville Medical School, Louisville, KY, graduated June 1970.
Residency - Medical College of Ohio, Akron, OH, completed training December 1975.
Certification - Board Certified with the American Academy of Pediatrics, 1977, re-certified 2012.
Joined Sunset August 1998.

Ahmad Ashfaq, MD

Location - San Luis Pediatric Clinic.
Specialty - Pediatrics.
Med School - King Edward Medical College, Lahore, Punjab, Pakistan, graduated April 2006.
Residency - Harlem Hospital Center, Columbia University Medical Center, New York, NY, completed training June 2013
Certification - Board Certified with the American Board of Pediatrics, 2014.
Preceptor - South University School of Nursing.
Joined Sunset September 2013.

Mwela N. Asombang, MD

Location - Yuma Pediatric Clinic.
Specialty - Pediatrics.
Med School - Kasturba Medical College, Karnataka, India, graduated March 2005.
Residency - Cardinal Glennon Children’s Medical Center, Saint Louis University School of Medicine, St. Louis, Missouri, completed training June 2013
Certification - Board Certified with the American Board of Pediatrics, 2014.
Joined Sunset September 2013.

Kanka Karmakar, MD

Location - Yuma Pediatric Clinic.
Specialty - Pediatrics.
Med School - Akademia Medyczna Lodz, Lodz, Poland, graduated June 1992.
Residency - St Joseph's Regional Medical Center, Paterson, NJ, completed training June 2002.
Certification - Board Certified with the American Board of Pediatrics, 2003.
Joined Sunset March 2003.