Primary Care Services

District Medical Group (DMG) includes primary care providers to treat the whole family – from infants through senior adults and geriatrics. With locations across the Valley, a DMG primary care provider is nearby to support your health and wellbeing and treat acute conditions and minor injuries.

DMG Primary care providers include:

Family Practice: DMG includes physicians and nurse practitioners supporting patients of all ages. Some of our DMG locations also offer walk-in care.
Internal Medicine: Serving adults of all ages, DMG internal medicine providers are specially trained to support active adults and geriatric patients.
Pediatric Primary Care: DMG pediatricians and pediatric nurse practitioners are here to partner with parents and guardians to help your child get healthy and stay as healthy as possible.

DMG primary care providers serve patients at DMG locations as well as Valleywise Health Centers across the Valley.

Locations

Family Practice

DMG Family Practice locations

Valleywise Health Center locations

Internal Medicine

DMG Internal Medicine locations

Valleywise Health Center locations

Pediatric Primary Care

DMG Children’s Rehabilitative Services (DMG CRS)

Valleywise Health Center locations

Meet Our Primary Care Providers

Leadership

Troy Nelson, MD

Troy Nelson, MD

Physician, CRS Medical Director

Medical Specialty: Primary Care

Medical School: St. Louis University Health Sciences Center - Missouri

Certification: American Board of Pediatrics

Kendra Thompson

Kendra Thompson

Pathology Department Administrator
Pediatrics Department Administrator

Medical Specialty: Pediatrics
Pathology

Shaghayegh Abdollahi, MD

Shaghayegh Abdollahi, MD

Medical Director, Valleywise Community Health Center - South Phoenix/Laveen

Medical Specialty: Internal Medicine, Adolescent Medicine, Pediatrics

Medical School: University of Brescia School of Medicine - Italy

Certification: American Board of Internal Medicine
American Board of Pediatrics

Kevin Lopez, MD

Kevin G. Lopez, MD

Medical Director: Valleywise Community Health Center - Avondale
Valleywise Comprehensive Health Center - Phoenix
Ambulatory Department Vice Chair
Medical Director of Quality

Medical Specialty: Family Medicine

Medical School: University of New Mexico Health Sciences Center - Albuquerque

Certification: Family Medicine

Christina Smarik, MD

Christina Smarik Snyder, MD

Medical Director - Valleywise Community Health Center - 7th Avenue

Medical Specialty: Family Medicine

Medical School: University of Arizona Health Sciences Center - Tucson

Certification: American Board of Family Medicine

Family Medicine

Family Medicine Providers

Shari D Berl DO

Shari D. Berl, DO

Medical Specialty: Family Medicine

Medical School: Kansas City University - Kansas City, Missouri

Certification: American Osteopathic Board of Family Medicine and Osteopathic Manipulative Treatment

Androuw Carrasco MD

Androuw Carrasco, MD

Medical Specialty: Family Medicine

Medical School: College of Medicine, Michigan State University - East Lansing

Certification: American Board of Family Medicine

Lenore Encinas, MD

Lenore Encinas, MD

Medical Specialty: Family Medicine

Medical School: University of Arizona Health Sciences Center - Tucson

Certification: Family Medicine

Ivan Filner, DO

Ivan Filner, DO

Primary Care Physician

Medical Specialty: Primary Care

Medical School: Des Moines University College of Osteopathic Medicine - Iowa

Certification: Arizona Board of Osteopathic Examiners Doctor of Osteopathy

David B. Foy, DO

David B. Foy, DO

Clinic Physician

Medical Specialty: Family Medicine

Jenessa Hill, DO

Jenessa Hill, DO

Medical Specialty: Family Medicine

Medical School: Edward Via College of Osteopathic Medicine - Spartanburg, South Carolina

Certification: Family Medicine
Osteopathic Manipulative Treatment

Bhargavi Joshi, DO

Bhargavi Joshi, DO

Medical Specialty: Family Medicine

Medical School: College of Osteopathic Medicine, Midwestern University - Glendale, Arizona

Certification: American Board of Family Medicine

Ann Khalsa, MD

Ann Khalsa, MD

Medical Specialty: Family Medicine - HIV/Aids

Medical School: Keck School of Medicine of the Univ. of Southern California - Los Angeles, California

Certification: American Board of Family Medicine, American Academy of HIV Medicine

Warren Kuipers, MD

Warren Kuipers, MD

Medical Specialty: Family Medicine

Medical School: Dr. N. Reyes Medical Foundation, Far Eastern University - Quezon City, Phillippines

Certification: American Board of Family Medicine

Kevin Lopez, MD

Kevin G. Lopez, MD

Medical Director: Valleywise Community Health Center - Avondale
Valleywise Comprehensive Health Center - Phoenix
Ambulatory Department Vice Chair
Medical Director of Quality

Medical Specialty: Family Medicine

Medical School: University of New Mexico Health Sciences Center - Albuquerque

Certification: Family Medicine

April Estes, DO

April Lynn Estes, DO

Family Medicine Ambulatory Care Physician

Medical Specialty: Family Medicine

Medical School: Kansas City University of Osteopathic Medicine and Bio-sciences - Kansas City, Missouri

Certification: Family Medicine and Osteopathic Manual Medicine - American Board of Osteopathic Medicine

Raj Makadia, MD

Medical Specialty: Family Medicine

Medical School: Medical University of the Americas - Charlestown, Nevis

Certification: American Board of Family Medicine

Tina McKenzie MD

Tina M. McKenzie, MD

Medical Specialty: Family Medicine

Medical School: Loyola University School of Medicine - Chicago, Illinois

Certification: American Board of Family Medicine

Azar Mehdizadeh, MD

Azar Mehdizadeh, MD

Medical Specialty: Cardiology

Medical School: University of Ottawa - Ontario, Canada

Certification: Fellow of American College of Cardiology

Jayakrishna Paineni MD

Jayakrishna Paineni, MD

Medical Specialty: Family Medicine

Medical School: Missouri State University - Springfield

Certification: American Board of Family Medicine

Mason Roy, DO

Mason Roy, DO

Medical Specialty: Ambulatory Care

Medical School: Midwestern University - Glendale, Arizona

Certification: Family Medicine

Laila Sajwani, MD

Laila Sajwani, MD

Medical Specialty: Ambulatory Care

Medical School: Liaquat Medical College - Jamshoro, Pakistan

Certification: Family Medicine

Srilakshmi Settipalli, MD

Srilakshmi Settipalli, MD

Family Medicine Physician

Medical Specialty: Family Medicine

Medical School: West Virginia University - Morgantown
NTR University of Health Sciences - Andhra Pradesh, India

Certification: American Board of Family Medicine

Christina Smarik, MD

Christina Smarik Snyder, MD

Medical Director - Valleywise Community Health Center - 7th Avenue

Medical Specialty: Family Medicine

Medical School: University of Arizona Health Sciences Center - Tucson

Certification: American Board of Family Medicine

Baharak Tabarsi, MD

Baharak Tabarsi, MD

Medical Specialty: Ambulatory Care

Medical School: Memorial University of Newfoundland - St. John's

Certification: American Board of Family Medicine

Kristyn Wendelshafer, DO

Kristyn Wendelshafer, DO

Medical Specialty: Ambulatory Care

Medical School: A.T. Still University - Kirksville, Missouri

Certification: Family Medicine Certified - American Osteopathic Board of Family Medicine and Osteopathic Manipulative Treatment

Brett E. Willden, DO

Brett E. Willden, DO

Clinic Physician

Medical Specialty: Family Medicine

Medical School: Kirksville College of Osteopathic Medicine - Kirksville, Missouri

Certification: Family Practice

Family Medicine Mid-Level Providers

Maria Barnwell PA-C

Maria Barnwell, PA-C

Medical Specialty: Family Medicine

Education: Trevecca Nazarene University - Nashville, Tennessee

Tara Begay, FNP

Tara Begay, FNP

Medical Specialty: Family Medicine

Education: Grand Canyon University - Phoenix, Arizona

Certification: American Academy of Nurse Practitioners

Barbara Benincaso FNP-C

Barbara Benincaso, FNP-C

Medical Specialty: Family Medicine

Certification: American Academy of Nurse Practitioners

Karen Boettcher

Karen Boettcher

Residency Program Coordinator, Internal Medicine

Medical Specialty: Internal Medicine

Brandie Burckhard, FNP

Brandie Burckhard, FNP

Nurse Practitioner

Medical Specialty: Family Medicine
Cardiology

Education: Frontier Nursing University - Hyden, Kentucky

Certification: American Association of Nurse Practitioners

Misty Cox

Misty Cox, FNP

Nurse Practitioner

Medical Specialty: Family Medicine
Adult Health

Education: Arizona State University - Tempe

Certification: American Academy of Nurse Practitioners

Nicole Craig, FNP

Nicole Craig, FNP

Family Nurse Practitioner

Medical Specialty: Primary Care

Education: Grand Canyon University - Phoenix, Arizona

Certification: American Association of Nurse Practitioners

Faith Cutrona, FNP

Faith Cutrona, FNP

Family Nurse Practitioner

Medical Specialty: Primary Care

Certification: American Nurses Credentialing Center

Brittany M DiVito FNP

Brittany M. DiVito, MPH, FNP

Family/Refugee Nurse Practitioner

Medical Specialty: Family Medicine

Education: Thomas Jefferson University - Philadelphia, Pennsylvania

DeAyrie B Evans FNP

DeAyrie B. Evans, FNP

Medical Specialty: Family Medicine

Education: Chamberlain University - Addison Illinois

Certification: American Associates of Nurse Practitioners

Rachel Friedman, FNP

Rachel Friedman, FNP

Medical Specialty: Primary Care

Education: University of Colorado - Boulder

Certification: American Association of Nurse Practitioners

Michelle T Harbottle PA-C

Michelle T. Harbottle, PAC-C

Medical Specialty: Family Medicine

Education: Midwestern University - Glendale, Arizona

Nicole M James FNP

Nicole M. James, FNP

Medical Specialty: Family Medicine

Education: Grand Canyon University - Phoenix, Arizona

Certification: American Associates of Nurse Practitioners

Yvonne Lamos, CNM

Yvonne Lamos, CNM

Certified Nurse Midwife

Medical Specialty: Obstetrics and Gynecology
Ambulatory Care

Education: University of California - San Francisco
California State University - Hayward

Certification: American Midwifery Certification Board

Shannon Manygoats

Shannon Manygoats

Medical Specialty: General Internal Medicine
Obstetrics and Gynecology

Nancy McNeill, FNP

Nancy McNeill, FNP

Medical Specialty: General Internal Medicine - Same Day Clinic

Dana Putman, FNP-C

Dana Putman, FNP-C

Family Nurse Practitioner

Medical Specialty: Primary Care

Education: Chamberlain College of Nursing - Phoenix, Arizona

Certification: Arizona Board of Nursing
American Association of Nurse Practitioners

Scott Sabish, FNP

Scott Sabish, FNP

Medical Specialty: Family Medicine

Education: University of Phoenix - Arizona

Certification: American Association of Nurse Practitioners

Stacy J Sanchez FNP

Stacy J. Sanchez, FNP

Medical Specialty: Family Medicine

Education: University of Texas Health and Science Center - Houston

Certification: American Nurses Credentialing Center

Summer Schacht, PA-C

Summer Schacht, PA-C

Physician Assistant

Medical Specialty: Ambulatory Care

Heidi Schmidt

Jenna Snyder, FNP

Jenna C. Snyder, FNP

Medical Specialty: Family Medicine

Education: Grand Canyon University - Phoenix, Arizona

Certification: American Association of Nurse Practitioners

Heather Sullivan, PA-C

Heather Sullivan, PA-C

Physician Assistant

Medical Specialty: Physician Assistant

Education: Midwestern University - Glendale, Arizona

Nicole E. Thurman FNP

Nicole Thurman, FNP

Nurse Practitioner

Medical Specialty: Ambulatory Care

Education: Grand Canyon University - Phoenix, Arizona

Certification: American Acadamy of Nurse Practitioners

Larissa D Wiley PA-C

Larissa D. Wiley, PA-C

Medical Specialty: Family Medicine

Stephanie P Yu PA-C

Stephanie P. Yu, PA-C

Medical Specialty: Family Medicine

Education: Midwestern University - Glendale, Arizona

Internal Medicine

Internal Medicine Providers

Shaghayegh Abdollahi, MD

Shaghayegh Abdollahi, MD

Medical Director, Valleywise Community Health Center - South Phoenix/Laveen

Medical Specialty: Internal Medicine, Adolescent Medicine, Pediatrics

Medical School: University of Brescia School of Medicine - Italy

Certification: American Board of Internal Medicine
American Board of Pediatrics

Richard Fowler, MD

Richard Fowler, MD

Clinic Medical Director

Carlos A Hartmann MD

Carlos A. Hartmann, MD

Medical Specialty: Infectious Disease and HIV/AIDS

Medical School: Universidad Nacional Experimental Francisco de Miranda - Venezuela

Certification: American Board of Internal Medicine

Robert K. Horsley MD

Robert Horsley, MD

Medical Specialty: General Internal Medicine
HIV Services
Infectious Disease

Medical School: University of Illinois at Chicago - Rockford

Certification: American Board of Internal Medicine

Douglas P Nelson MD

Douglas P. Nelson, MD

Medical Specialty: General Internal Medicine
Ambulatory Care

Medical School: University of Arizona College of Medicine - Tucson

Certification: American Board of Internal Medicine

Jeffrey Parker, MD

Jeffrey Parker, MD

Medical Specialty: Geriatrics

Medical School: College of Osteopathic Medicine of the Pacific - Pomona, California

Certification: Internal Medicine

Yvonne Patterson, MD

Yvonne Patterson, MD

Medical Specialty: Ambulatory Care

Medical School: St. Matthew University School of Medicine - West Bay, Cayman Islands

Certification: Internal Medicine

Raina Roy, MD

Raina Roy, MD

Medical Specialty: Cardiology

Medical School: University of Wisconsin - Madison

Certification: Internal Medicine; Cardiovascular Diseases

Shannon Skinner, MD

Shannon Skinner, MD

Medical Specialty: General Internal Medicine
Ambulatory Care

Medical School: Texas Tech University Health Sciences Center School of Medicine - Lubbock

Certification: Internal Medicine, Internal Medicine and Pediatrics

Roselyn Vutien, MD

Roselyn Vutien, MD

Medical Specialty: General Internal Medicine
Ambulatory Care

Medical School: University of Texas Southestern Medical School - Dallas

Certification: Internal Medicine

Internal Medicine Mid-Level Providers

Natasha Ivey, PA-C

Natasha Ivey, PA-C

Physician Assistant

Medical Specialty: Internal Medicine

Education: Massachusetts College of Pharmacy and Health Science - Boston

Cassandra Jo Altamirano, PA

Cassandra Jo Altamirano, PA

Medical Specialty: General Internal Medicine

Education: Northern Arizona University - Phoenix, Arizona

Stacey E. Klein, ACNP

Stacey Klein, ACNP

Adult Acute Care Nurse Practitioner

Medical Specialty: Internal Medicine

Education: Midland Lutheran College - Fremont, Nebraska

Certification: American Nurses Credentialing Center

Lauren Lambert, FNP

Lauren Lambert, FNP

Medical Specialty: General Internal Medicine - Nurse Practitioner

Tanya Sarkinsian, FNP

Tanya Sarkinsian, FNP

Medical Specialty: General Internal Medicine
Ambulatory Care

Education: Master's Degree, Grand Canyon University - Phoenix, Arizona

Certification: American Academy of Nurse Practitioners

Adeeb Shaheen, FNP

Adeeb Shaheen, FNP

Nurse Practitioner

Medical Specialty: Internal Medicine

Education: Chamberlain College of Nursing - Downers Grove, IL

Certification: American Academy of Nurse Practitioners

Tina Stoneking, FNP

Tina Stoneking, FNP

Nurse Practitioner

Medical Specialty: Internal Medicine

Education: Wichita State University - Kansas

Certification: American Association of Nurse Practitioner

Sarah Taraborelli PA

Sarah Taraborelli, PA

Medical Specialty: General Internal Medicine - Physician Assistant

Janet Wildemuth, PA-C

Janet Wildemuth, PA-C

Physician Assistant

Medical Specialty: Internal Medicine

Education: A.T. Still University Arizona School of Health Sciences - Mesa