Header Contacts

  • Stockton (California St., Suite B): (209) 466-2626
  • Stockton (California St., Suite L): (209) 474-1458
  • Lodi: (209) 366-2616
  • Tracy: (209) 839-9115
  • PET/CT: (209) 292-8542
  • Manteca: (209) 665-4782



Sheila Sexton-Desersa
Practice Manager

Ashley Mussi

Monica Rodriguez
Assistant Office Manager

Shawnna Weber

Sally Booth
Staff Accountant

New Patient Coordinators

Shelley Smith
NPC Lead

Janet Del Carlo
New Patient Coordinator and Hospital Charge Poster

Medical Assistants

Tammy Gonzales, Lead MA

Cathy Martinez, MA

Natasha Angel, MA

Nayeli Perez, MA

Shaundy Rabanal, MA

Michelle Bustamante, MA

Stephanie Alejo, MA

Jessica Perez, MA

Yolanda Young, MA

Jasmine Morales, MA

Frankie Perry, MA

Front Office

Elizabeth Torres

Celeste Gonzales

Alyssa Pererya

Gina Solorzano

Deepa Singh

Frances Omalza

Vanesa Nunes


Bianca Goetsch
PET/CT Lead Technologist

Veronica Laroza
Patient Coordinator

Hanna Leighton
Patient Scheduler

Hailey Sandoval
Patient Scheduler

Oral Medication Center

Annabel Pana
Pharmacy Tech

Anissa Ypon
Pharmacy Tech

Kim Borton
Pharmacy Tech

Dominique Serros
Pharmacy Tech

Jennifer Berni
Pharmacy Tech

Chris Oh


Ernelita Dacumos-Obreno
Billing Manager

Julissa Flores
Billing Lead

Margaret Herrera
Medical Biller

Regina Perez
Authorization (Infusion and Injections)

Veronica Holmes
Payment Poster

Leah Bernstein
Patient advocate and Financial Counselor

Natalia Harrison
Medical Biller

Raquel Bostick
Medical Biller

Katrina Le
Medical Authorization Specialist

Philip Weiss
Medical Biller

Jamie Bayani
Financial Counselor

Brandy Warren
Billing Specialist.

Brooke Hubert
Billing Specialist

Jenny Daley
Medical Records

Angie Campos
Insurance Verification Representative


Lizbeth Ortiz
(Dr. AJ Scribe)

Cecilia Contreras
(Dr. Bangalore Scribe)

Ana Jimenez
(Dr. Dighe Scribe)

Katrina Yang
(Dr. Mehdi Scribe)

SHOMG Mascot

Dogtor Pumpernickle Appeng