420 E 3rd St, Ste 802

Los Angeles, CA 90013

Phone: (213) 200-2868
Fax: (213) 625-7803
Last updated: July 2, 2026

Nestled in Los Angeles's Little Tokyo, this Quest Diagnostics patient service center is at 420 East 3rd Street, Suite 802 and is open five days a week. The entrance is on 3rd Street. It's one of the 2,000+ Quest patient service centers in the nationwide network Superpower partners with for member blood testing.

Get directions →

Open in Google Maps

Monday: 8:30 AM – 12:30 PM
Tuesday: 8:30 AM – 12:30 PM
Wednesday: 8:30 AM – 12:30 PM
Thursday: 8:30 AM – 12:30 PM
Friday: 8:30 AM – 12:30 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, MD

Chief Longevity Officer, Superpower

Board-certified longevity physician. Previously product leader at Virta Health & CMO at Modern Age. Featured in WSJ, Forbes, and Fortune.

Dr. Leigh Erin Connealy, MD

Clinician & Founder of The Centre for New Medicine

Leads the largest integrative medical clinic in North America. A pioneer in integrative oncology.

Dr. Robert Lufkin, MD

Physician & UCLA Medical School Professor, NYT bestselling author

A leading voice on metabolic health and longevity as shown in The Today Show, USA Today and FOX.

Dr. Abe Malkin, MD

Founder & Medical Director of Concierge MD

Leads a nationwide medical practice, and Drip Hydration, a mobile IV therapeutics company.