Doctors / Specialities
At Mountain Park Medical Center, we have a diverse and talented team of doctors committed to the health and wellbeing of our clients.
BASELINE CLINIC
ADULT MEDICINE
Davinder Singh, M.D.
Board Certified, Internal Medicine
Altagracia Pacheco, M.D.
Board Certified, Internal Medicine
Richard Wolfson, M.D.
Board Certified, Internal Medicine
Carmen Arocho-Vera, M.D.
Board Certified, Internal Medicine
Yaw Boateng, M.D.
Board Certified, Internal Medicine & Nephrology
Christina Shelley, Nurse Practitioner
Board Certified, Internal Medicine
Jacqueline Mager, Nurse Practitioner
Board Certified, Adult Medicine
Maureen Welsh, Nurse Practitioner
Board Certified, Adult Medicine
PEDIATRICS
Donald Carter, M.D.
Chair, Pediatrics Department
Board Certified, Pediatrics
Duncan Tang, M.D.
Board Certified, Pediatrics
Elizabeth Perez, M.D.
Board Certified, Pediatrics
Kamaljeet Sachdeva, M.D.
Board Certified, Pediatrics
Marjorie Holland, M.D.
Board Certified, Pediatrics
Robert James, M.D.
Rudolph Bustamante, M.D.
Board Certified, Pediatrics
Shashikala Rao, M.D.
Board Certified, Pediatrics
Nancy Shaver, Nurse Practitioner
Board Certified, Pediatrics
WOMEN'S HEALTHCARE
James Njemanze, M.D.
Chair, Women’s Health Department
Board Certified, OB/GYN
Diane Hibbs, D.O.
Board Certified, OB/GYN
Jay Lick, D.O.
Board Certified, OB/GYN
Leon Smith, M.D.
Board Certified, OB/GYN
Mohammad Ahmad, M.D.
Board Certified, OB/GYN
Lorena Cavazos, Nurse Practitioner
Advanced Practice
Michelle Brown, Nurse Practitioner
OB/GYN
PHARMACY
Alana Podwika, RPh, M.B.A.
Pharmacy Director
Claudia Vargas, Pharm D.
Julie Nguyen, Pharm D.
Mary Soto, Pharm D.
Daniel Brower, R.Ph.
BEHAVIORAL HEALTH
Bill Rosenfeld, M.C., L.P.C.
Behavioral Health Director
Mayra Jirak, L.P.C.
Bridgette Terrazas, L.C.S.W.
Penny Goodman, L.C.S.W.
Katherine Perez, L.A.C.
DENTISTRY
Rebecca Schaffer, D.D.S., Dental Director
Michael Adu-Tutu, D.D.S.
Dr. Gianira Lopez, D.D.S.
Marianne Youssef, D.M.D.
Rishi Popat, D.M.D.
MPHC TOLLESON
Cheryl A. Villamor-Nierva, M.D.
Board Certified, Family Medicine
Jose Fierro, M.D.
Board Certified, Pediatrics
Dalisa Barquero, Nurse Practitioner
Board Certified, OB/GYN
Russell Silverberg, LAC, Behavioral Health
Cynthia Aponte, Nurse Practitioner
MPHC MARYVALE
Constance Tucker, D.O.
Associate Medical Director, Maryvale, Tolleson, East Phoenix & Tempe
Board Certified, Family Practice
Laura Arce, M.D.
Faiz Naioom, M.D.
Board Certified, Internal Medicine
WOMEN'S HEALTH
George Davidson, M.D.
Chair, Women’s Health Department
Board Certified, OB/GYN
Ingrid Gold, Nurse Midwife
Advanced Practice
Elijah Carter, M.D.
Board Certified, OB/GYN
Jennifer Wright, M.D.
Board Certified, OB/GYN
Jeffrey Marable, M.D.
Board Certified, OB/GYN
John Harpenau, M.D.
Board Certified, OB/GYN
PEDIATRICS
Camber Mertz, M.D.
Board Certified, Pediatrics
Fernando Vazquez, M.D.
Lisa Hunt, M.D.
Board Certified, Pediatrics
Ugonna Woods, M.D.
BEHAVIORAL HEALTH
Frances Aragon, L.C.S.W.
Cristina Yturralde, LAC
PHARMACY
Stan Kudish, Pharm D.
Toni Leyba, Pharm D.
Christine Aguilar, Pharm D.
MPHC EAST PHOENIX
Imani Williams-Vaughn, M.D.
Board Certified, Family Medicine
Surinder Bharara, M.D.
Board Certified, Family Practice
Aurelio Duarte, LAC, Behavioral Health
Nicole Stegman, M.D.
Board Certified, OB/GYN
Kathy Sahnas, Nurse Practitioner
Board Certified, OB/GYN
William Van Arsdell, M.D.
Board Certified, Pediatrics
MPHC TEMPE
Julia Coleman, Nurse Midwife
Board Certified, OB/GYN
Rachel Sy, D.O.
Board Certified, Family Medicine
Rene Thomas, LAC
Behavioral Health
Updated August 2009
