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For Patients

Welcome to Coastal Healthcare

We are a multi-specialty medical group serving the Santa Cruz County and it's surrounding communities. Coastal Healthcare is committed to providing comprehensive health care in a healing environment.

We encourage you to explore this site and learn how we can support you and your loved ones. The more you understand our policies and methods of practice, the better we may serve you.

Our goal is to provide you and your loved ones with quality care and service. That’s why our friendly staff works to minimize paperwork and increase conveniences. Below is a list of online resources to prepare for your visit to our practice.

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Coastal Healthcare is a multi-specialty medical group serving Santa Cruz County and its surrounding communities. We’re committed to providing comprehensive healthcare in a healing environment. Our services are frequently selected for the value of our care, respected for our integrity and admired for the commitment of our physicians and helpful medical staff.


Our Physicians

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Our Locations


General, Bariatric and Gastroenterology Surgery

65 Nielson Street, Suite #125
Watsonville, CA 95076

Tel: 831-768-6266

Fax: 831-288-0897

Providers at this location:

Sarah M. Brant, M.D. - General Surgery

Ryan S. Nolan, M.D. - General & Bariatric Surgery

Luke Bi, MD -Gastroenterology

Nephrology & Cardiology

65 Nielson Street, Suite #102
Watsonville, CA 95076

Tel: 1-831-768-6217

Fax: 1-831-768-6219

Providers at this location:

Stanley Hwang, M.D. – Cardiology

Omid Bakhtar, D.O. – Internal Medicine & Nephrology

Rajeev Prasad, MD - Nephrology


Urology, Podiatry, Orthopaedics & Spine

1820 Main Street

Watsonville, CA 95076

Tel: 1-831-728-4227

Fax: 1-831-728-0410

Providers at this location:

Peter N. Bretan, Jr., MD, FACS – Urology

Andrew P. Knorr, MD – Urology

Kris Okumu, MD - Orthopaedics, Minimally Invasive Spine Surgery 

Yuxi Guan, DPM - Podiatry

Centers for Medicare and Medicaid Services (CMS)
Open Payments

For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the  public:

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