Los Alamitos

3851 Katella Ave.
Suite 355
Los Alamitos, CA 90720

Call Us

Office Hours

Monday 8:30 a.m. – 5:00 p.m.

Tuesday8:30 a.m. – 5:00 p.m.

WednesdayClosed

Thursday8:30 a.m. – 5:00 p.m.

Friday8:30 a.m. – 5:00 p.m.

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Physicians at this Location

Dr. Omkar Marathe, Medical Director of Clinical Trials at TOI

Omkar Marathe, M.D. View Profile

Hooman Parsi

Hooman Parsi, M.D. View Profile

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THE ONCOLOGY INSTITUTE

Los Alamitos

3851 Katella Ave.
Suite 355
Los Alamitos, CA 90720

Office Hours

Monday 8:30 a.m. – 5:00 p.m.

Tuesday8:30 a.m. – 5:00 p.m.

WednesdayClosed

Thursday8:30 a.m. – 5:00 p.m.

Friday8:30 a.m. – 5:00 p.m.

Get in touch with our

Send us a Fax

(562) 264-5157

Call us at

(562) 264-5154

PHYSICIANS AT THIS LOCATION

Dr. Omkar Marathe, Medical Director of Clinical Trials at TOI

Omkar Marathe, M.D. View Profile

Hooman Parsi

Hooman Parsi, M.D. View Profile

Essential Information for Your Visit

Where to find us

3851 Katella Ave, Los Alamitos, CA 90720, USA

Parking Details

Important Information

Please arrive 15-20 minutes earlier, allowing time for any unexpected delays such as difficulty with parking or navigation.

Also, remember to arrive at your appointment with your identification and medical insurance card readily available.

We look forward to serving you at The Oncology Institute:

Los Alamitos

3851 Katella Ave.
Suite 355
Los Alamitos, CA 90720