Dr. Omkar Marathe, MD, Long Beach, CA | Oncologist

What patients are saying

Overall rating

5.00

Average wait time

4.00

Bedside manner

5.00

“So far so good. The doctor was my second opinion to my “normal” doctor and put my wife’s and my mind at ease by really taking the time to go through my test results and explain them clearly. ”

Patrick S.September 19, 2023

About Dr. Omkar Marathe

As a lifelong Southern Californian, Dr. Omkar Marathe earned his bachelor’s degree in neurosciences from UCLA (graduating with honors) and his M.D. degree from the David Geffen School of Medicine at UCLA. He trained in internal medicine at Scripps Green Hospital in San Diego and returned to Los Angeles to complete his fellowship in hematology/oncology at the UCLA-Olive View-Cedars Sinai program, where he had the opportunity to train in a wide array of clinical settings ranging from a county hospital to a tertiary academic center. He has conducted research and published papers in various disciplines of oncology including ocular melanoma and HER2+ breast cancer. Dr. Marathe is a fan of Los Angeles sports teams and also enjoys playing tennis, running, and traveling with his wife in his spare time. Dr. Marathe is fluent in Spanish, Marathi, and Hindi. Dr. Marathe has a solid foundation in hematology/oncology, as exemplified by his perfect score on the Oncology In-Training exam. He also strives to stay up-to-date in order to provide his patients with comprehensive and cutting-edge treatment. He is passionate about the importance of being a team player in oncology, collaborating closely with primary care physicians and other specialists, and having an open avenue of communication with patients as well as their families and loved ones. Training in an era where patients have ready access to medical knowledge, he is eager to educate patients about their disease process and individualized treatment options in order to empower them to actively participate in their management plan. He is also highly sensitive to the religious, cultural, and personal values of his patients.

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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.

Chronic anemia

Other popular visit reasons

Anemia

Gastrointestinal Cancer

Genetics Consultation

Hematology Consultation

Oncology Consultation

Oncology Follow Up

Ovarian Cancer

Spleen Problems

Anemia

Gastrointestinal Cancer

Genetics Consultation

Hematology Consultation

Office locations

The Oncology Institute (1 of 2)

3300 E South St, Ste 304, Long Beach, CA 90805

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The Oncology Institute (2 of 2)

3851 Katella Ave, Ste 355, Los Alamitos, CA 90720

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1 of 2

Education and background

Practice names

The Oncology Institute

Board certifications

American Board of Internal Medicine
Medical Oncology (American Board of Internal Medicine)
Hematology (American Board of Internal Medicine)

Education and training

Medical School - University of California, Los Angeles, Doctor of Medicine
University of California, Los Angeles (Bachelor's)
Scripps Green Hospital (Internal Medicine)
University of California, Los Angeles, Fellowship in Hematology/Oncology

Professional memberships

American Society of Clinical Oncology
American Society of Hematology

Awards and publications

Dr Omkar Marathe has been Awarded Outstanding Faculty Teacher of the Year, St. Mary Internal Medicine Residency Program

Languages spoken

English
Spanish
Hindi
Marathi

Provider's gender

Male

NPI number

1982989836

Patient reviews

All reviews have been submitted by patients after interacting with the practice.

Overall rating

5.00

Wait time

4.00

Bedside manner

5.00

Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here

28 reviews

Most relevant

So far so good. The doctor was my second opinion to my “normal” doctor and put my wife’s and my mind at ease by really taking the time to go through my test results and explain them clearly.

September 19, 2023Patrick S.Verified patient

January 13, 2026Nathally E.Verified patient

September 17, 2025Antoinette G.Verified patient

Less than 1 year agoInitials hidden

More than 1 year agoInitials hidden

More than 1 year agoInitials hiddenSource: Partner

Frequently asked questions

How soon can I make an appointment with Dr. Omkar Marathe?

Generally, Dr. Omkar Marathe has appointments available on Zocdoc within 1 week. You can see Dr. Marathe's earliest availability on Zocdoc and make an appointment online.

Is Dr. Omkar Marathe accepting new patients?

Dr. Omkar Marathe generally accepts new patients on Zocdoc. You can see Dr. Marathe's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Omkar Marathe accept my insurance?

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Can I make an appointment with Dr. Omkar Marathe online?

Yes, you can make an appointment online with Dr. Marathe using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Omkar Marathe work with?

Dr. Omkar Marathe works with The Oncology Institute.

Where is Dr. Omkar Marathe's office located?

Dr. Omkar Marathe has 2 office locations, including in Long Beach and Los Alamitos, view full addresses on Dr. Marathe's profile.

Which board certifications does Dr. Omkar Marathe have?

Dr. Omkar Marathe is certified by American Board of Internal Medicine, Medical Oncology (American Board of Internal Medicine), and Hematology (American Board of Internal Medicine).

What are common reasons for patients to see Dr. Omkar Marathe?

Dr. Omkar Marathe frequently sees patients for Anemia, Genetics Consultation, Hematology Consultation, Oncology Consultation, and Oncology Follow Up. You can see other visit reasons for Dr. Omkar Marathe on their profile.

What languages does Dr. Omkar Marathe speak?

Dr. Omkar Marathe speaks English, Spanish, Hindi, and Marathi.

How do patients rate Dr. Omkar Marathe in reviews?

28 patients have reviewed Dr. Omkar Marathe. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 4/5 rating for wait time. You can read individual reviews and ratings on their profile.