Who We Are

Nephrology Associates Medical Group (NAMG) is engaged in the practice of nephrology, or kidney treatment, in Riverside and San Bernardino Counties. NAMG has been treating patients for over 40 years and currently cares for patients at its 16 offices and vast network of dialysis units and hospitals throughout the Inland Empire. Our nephrologists are also medical directors of outpatient dialysis centers that are closely located to our facilities.

Mission Statement

“We are a dedicated group of compassionate healthcare professionals providing excellent care for all patients with kidney and associated diseases.”

Philosophy of Care

Video: Director of Advance Practitioners, Theresa Payne, talks about this philosophy of care.

Video: Nephrologist,  Dr. Jay Agarwal, talks about this philosophy of care.

Video: Nephrologist, Dr. John Robertson, talks about this philosophy of care.

Core Values

QUALITY

We provide our patients with the best evidenced based Medical Care. We seek to understand the needs of our patients then provide them with the information and medical resources to optimize their quality of life.

TEAMWORK

We care not only for those to whom we provide care, but we also care for our fellow employees. We work together adapting to changes in our schedule in order to provide unselfish support for our patients and fellow employees.

COMPASSION

We provide our patients with the best evidenced We seek to understand the needs of our patients and their families, and provide them with empathetic support.

PROFESSIONALISM

We believe all our actions and daily appearance contribute to our professional reputation. We believe in offering respect to all whom we interact. This behavior includes active listening, having an open and creative clinical mind governed always by empathy for our patients.

ACCOUNTABILITY

We take seriously our complete commitment for the clinical care responsibility to the patients who come to us for help. Our accountability extends to assisting our broader medical community and NAMG staff in meeting this overriding clinical commitment.

INTEGRITY

xWe provide our patients with the best evidenced based Medical Care. We seek to understand the needs of our patients then provide them with the information and medical resources to optimize their quality of life.

Founders

Joseph Lee

Founder - Retired

Chao H. Sun

Founder - Retired

John Robertson

Founder - Retired

Board of Directors

Dr. Sal Ishak, CMO

Dr. David Chang

Dr. Charles Nguyen

Dr. Parag Mehtani

Dr. Carrie Minnelli

Dr. Rizwan Badar

Dr. Arthur Galoustian

Leadership

Charleda Wilson

Vice President, Revenue Operations

Veronica Garcia

Director, Value Based Care

Jessica Ballesteros

Director, Clinical Operations

Management Team

Antonia Tavares

Revenue Cycle Manager

Irlanda Cardoza

Clinical Regional Manager

Mindy Banuelos

Clinical Regional Manager

Erica Huidor

Clinical Regional Manager

Meet Our Providers

View Nephrologist and Nurse Practitioner bios, find locations served, call provider, and make an appointment.