3927 Waring Rd. Suite C, Oceanside, CA 92056
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Appointments: (760) 941-9850

Providing Endocrinology Services in North County Since 1983

IMPROVE YOUR HEALTH

Change Your Life





About Us

Compassionate Healthcare

 Tri-City Endocrinology and Metabolism delivers a broad range of services for hormone-related disorders and diabetes with a focus on excellent service. 

Experienced Medical Professionals

Serving the North County since 1983, our goal is to deliver state-of-the-art Endocrinology treatment with an approach that is both practical and customized to your needs.

Dr. Chris K. Guerin, Dr. Alan B. Douglass and Dr. Margot Aiken offer the highest standard of endocrine and diabetes-related care. 


A Personal Approach

Our goal is to improve and maintain your overall health and to empower you with an understanding of your condition and wellness plan.  

What We Offer

Patient Portal

 Our patient portal provides a way for you to interact with our office. To access the portal, click below.

Thyroid Ultrasound

 We have the latest technology to image your thyroid gland in our office. This enables more accurate diagnosis and precise biopsies. 

Diabetes Clinical Research

Advanced Metabolic Care + Research Institute in Escondido is conducting clinical trials that will help people suffering from diabetes, obesity and other endocrine disorders.

Contact Us

The care you deserve.

Please call us for an appointment.

Fax any documents to (760) 941-9845.

Tri City Endocrinology and Metabolism

3927 Waring Rd. Suite C, Oceanside, CA 92056

(760) 941-9850

Hours

Mon

8:00 am – 4:00 pm

Tue

8:00 am – 4:00 pm

Wed

8:00 am – 4:00 pm

Thu

8:00 am – 4:00 pm

Fri

8:00 am – 4:00 pm

Sat

Closed

Sun

Closed