Leadership at Optum, formerly 4C Medical Group, is extremely important to us, as we know it is for you. Below you can view and learn about the people who play an integral part in your primary care facilities. Visit one of our many locations today!

Executive Leadership

Vishal Verma, MD, SFHM

President & Chief Medical Officer

Varesh Chaurasia, MBA, MHA

Chief Executive Officer

Jonathan Jarvina, MD

Associate Medical Director East
Lead Physician – MVMC Acute Care, Mesa Clinic
Dr. Rajesh Bhakta, MD

Rajesh Bhakta, MD

Associate Medical Director West
Lead Physician – Glendale, Goodyear, Sun City, and Surprise Clinics
Wendy Goodall Manager, Billing and EHR

Wendy Goodall

Director of Clinical Operations West

Michael Devine

Director of Clinical Operations South
Shel Hattaway Manager, Human Capital

Shel Hattaway

Human Capital

Clinical Leadership

Alejandro Pineda, MD

Lead Physician – Tempe St Luke’s Acute Care

Parminder Sidhu, MD, FHM

Lead Physician – Honor Health Acute Care

Vance Abshire, MD

Lead Physician – Post-Acute Care

Tamara Djurisic, MD

Lead Physician – Scottsdale Clinic

Michael Kleven, MD

Lead Physician – Surprise Clinic

Amar Kapur, MD

Lead Physician – Glendale Clinic

Victoria Cupic, MD

Lead Physician – Carefree Clinic

Robert Fauer, MD

Lead Physician – Phoenix Clinic

Joseph Summers, MD

Lead Physician – Fountain Hills Clinic

Marisa Sosinsky, MD

Lead Physician – Neurology

Fida Sawalha, MD

Lead Physician – Endocrinology

Paul Babey, MD

Lead Physician – Scottsdale Greenway/64th Clinic

Vafa Matin, DO

Lead Physician – Scottsdale Thunderbird/Tatum Clinic

Sathyadevi Sista, MD

Lead Physician – Scottsdale Miller Osborn

Hajera Fatima, DO

Lead Physician – Chandler Clinic
Dr. Kyle Stoeckmann, MD

Kyle Stoeckmann, MD

Lead Physician – Maricopa Clinic

Primary Care,

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