50+ years of

COMBINED EXPERIENCE

We have the know-how you need.

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Meet Our Team

Amy Matecki, MD LAc.

Hello! I am a president of Cornerstone Medicine. I practice both Western and Traditional Chinese Medicine. I studied at Qingdao Medical College before moving to California in 1994.

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Wengang Zhang, M.D.

Hello! l am a partner of Cornerstone Medicine. Internal Medicine / Primary Care,Internal Medicine- provides primary careservices to adults. Internists have specialtraining that focuses on the prevention andtreatment of adult disease. Internists care forpatients for life - from teen years through old age.

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Our Mission

We share a desire to bring meaning to medical practice and a vision of integrated medical care, combining traditional chinese medicine with western medical care. Getting you to your best health, to bring joy and richness to your life, is Cornerstone’s goal.

Cornerstone values:

• Research based medical care and clinical excellence

• Partnered care where a patient’s values and willingness are the core of a treatment plan

• Compassion, understanding, and respect.

Our Practice

Primary Care

Find yourself beside the finest doctors.

We provide health promotion and maintenance, disease prevention, patient education, diagnosis, and treatment of acute and chronic illnesses. Services include same day appointments, immunizations, cancer screenings, physical exams, and wellness visits. Our goal is to get you well and keep you well to support your life goals.

Integrative Medicine

Redefining the essence of effective treatment.

An integrative medicine consultation explores the root cause of illness and uses a holistic approach to health that includes an individualized assessment and care plan.