Long Beach

3300 E. South St.
Suite 304
Long Beach, CA 90805

Call Us

Office Hours

Monday 8:30 a.m. – 5:00 p.m.

Tuesday8:30 a.m. – 5:00 p.m.

Wednesday8:30 a.m. – 5:00 p.m.

Thursday8:30 a.m. – 5:00 p.m.

Friday8:30 a.m. – 5:00 p.m.

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Physicians at this Location

Michael Del Rosario (2)

Michael Del Rosario, M.D. View Profile

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

Omkar Marathe, M.D. View Profile

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THE ONCOLOGY INSTITUTE

Long Beach

3300 E. South St.
Suite 304
Long Beach, CA 90805

Office Hours

Monday 8:30 a.m. – 5:00 p.m.

Tuesday8:30 a.m. – 5:00 p.m.

Wednesday8:30 a.m. – 5:00 p.m.

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) 232-0558

Call us at

(562) 232-0550

PHYSICIANS AT THIS LOCATION

Michael Del Rosario (2)

Michael Del Rosario, M.D. View Profile

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

Omkar Marathe, M.D. View Profile

Essential Information for Your Visit

Where to find us

3300 East South Street, Long Beach, CA, 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:

Long Beach

3300 E. South St.
Suite 304
Long Beach, CA 90805