20400 Lake Chabot Rd, Ste 101

Castro Valley, CA 94546

Phone
(510) 881-1570
Fax
(510) 881-0286
Last updated
July 2, 2026
Quest Diagnostics

Housed inside the Eden Medical Building at 20400 Lake Chabot Road in Castro Valley, California, this Quest Diagnostics patient service center occupies Suite 101 and is open five days a week. It's among the 2,000+ Quest draw sites across the country that Superpower includes in its network for member blood testing.

Get directions →
Monday
7:00 AM – 4:00 PM
Tuesday
7:00 AM – 4:00 PM
Wednesday
7:00 AM – 4:00 PM
Thursday
7:00 AM – 4:00 PM
Friday
7:00 AM – 4:00 PM
Saturday
Closed
Sunday
Closed
4.6 out of 5260+ reviews

Start your health check with Superpower

100+ lab tests, a personalized health plan, and expert guidance — all in one membership.

Get started – $199*

*Pricing may vary for members in New York and New Jersey

The Superpower app showing a personal health score of 93 out of 100

Led by doctors with 40 years of health and longevity expertise

Dr. Anant Vinjamoori

Dr. Anant Vinjamoori, MD

Chief Longevity Officer, Superpower

Dr. Leigh Erin Connealy

Dr. Leigh Erin Connealy, MD

Clinician & Founder of The Centre for New Medicine

Dr. Robert Lufkin

Dr. Robert Lufkin, MD

Physician & UCLA Medical School Professor, NYT bestselling author

Dr. Abe Malkin

Dr. Abe Malkin, MD

Founder & Medical Director of Concierge MD