Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Browse doctors
Browse practices
Browse hospitals
Browse insurances
Browse locations
Browse conditions
Browse procedures
Browse treatments
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 1,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
49 verified Oncologists in Riverside, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 08/21/2026
Availability last updated 08/21/2026

Dr. Sheila Vasan, MD

Oncologist
4.70
·33 reviews
I’m happy that she’s my doctor very nice and calm. - Nov 15, 2024Click to read more
63.5 mi · 15211 Vanowen St, Ste 300, Van Nuys, CA 91405
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Expertise in low platelet count + 4 more ·
Read bio
Please note Los Angeles Cancer Network's providers do not offer cancer screenings. Please book an appointment with our provider if you have diagnostic imaging and/or a diagnosis. Don’t see your insurance? Not all are listed. Please call us to verify; see our office's contact info below. Dr. Vasan ...Click to read more

Dr. Nubar Boghossian, MD

Oncologist
4.76
·33 reviews
63.5 mi · 15211 Vanowen St, Ste 201, Van Nuys, CA 91405
Accepts Aetna, BlueCross BlueShield, Cigna + 20 more
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in breast cancer + 4 more ·
Read bio
Please note Los Angeles Cancer Network's providers do not offer cancer screenings. Please book an appointment with our provider if you have diagnostic imaging and/or a diagnosis. Don't see your insurance? Not all are listed. Please call us to verify; see our office's contact info below. Dr. Bo...Click to read more

Dr. Krisztina Larson, MD

Oncologist
4.70
·44 reviews
65 mi · 11550 Indian Hills Rd, Ste 211, Mission Hills, CA 91345
Accepts Aetna, BlueCross BlueShield, Cigna + 18 more
Accepting new patients · Expertise in chronic anemia ·
Read bio
Please note Los Angeles Cancer Network's providers do not offer cancer screenings. Please book an appointment with our provider if you have diagnostic imaging and/or a diagnosis. Don’t see your insurance? Not all are listed. Please call us to verify; see our office's contact info below. Dr. Larson...Click to read more

Dr. Sheila Vasan, MD

Oncologist
4.70
·33 reviews
I’m happy that she’s my doctor very nice and calm. - Nov 15, 2024Click to read more
72.5 mi · 25425 Orchard Village Rd, Suite 150, Santa Clarita, CA 91355
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Expertise in low platelet count + 4 more ·
Read bio
Please note Los Angeles Cancer Network's providers do not offer cancer screenings. Please book an appointment with our provider if you have diagnostic imaging and/or a diagnosis. Don’t see your insurance? Not all are listed. Please call us to verify; see our office's contact info below. Dr. Vasan ...Click to read more

Dr. Levon Qasabian, MD

Oncologist
4.41
·39 reviews
Making the appointment was easy, but getting in touch with the office was sometimes difficult when trying to clarify the provider's specialties in regard to Melanoma prior to my visit. Once at the appointment, the doctor's bedside manner was calm and very knowledgeable, but a bit short when I tri...Click to read more
57 mi · 8737 Beverly Blvd, #203, Los Angeles, CA 90048
Accepts BlueCross BlueShield, Medicare, UnitedHealthcare + 5 more
Also offers video visits · Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in chronic leukemia + 6 more ·
Read bio
Dr. Qasabian is a medical oncologist and hematologist at Synergy Hematology Oncology Medical Associates, Inc. He specializes in the management of solid tumors, lymphomas, blood malignancies, coagulation disorders, anemias, and cancer screening. With warmth and expertise, he guides patients through t...Click to read more
Next available: Thu, Sep 3

Dr. Levon Qasabian, MD

Oncologist
4.41
·39 reviews
Making the appointment was easy, but getting in touch with the office was sometimes difficult when trying to clarify the provider's specialties in regard to Melanoma prior to my visit. Once at the appointment, the doctor's bedside manner was calm and very knowledgeable, but a bit short when I tri...Click to read more
65 mi · 5363 Balboa Blvd, Ste 345, Encino, CA 91316
Accepts BlueCross BlueShield, Medicare, UnitedHealthcare + 5 more
Also offers video visits · Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in chronic leukemia + 6 more ·
Read bio
Dr. Qasabian is a medical oncologist and hematologist at Synergy Hematology Oncology Medical Associates, Inc. He specializes in the management of solid tumors, lymphomas, blood malignancies, coagulation disorders, anemias, and cancer screening. With warmth and expertise, he guides patients through t...Click to read more
Next available: Tue, Aug 25

Dr. Kenneth Tokita, MD

Radiation Oncologist
29.5 mi · 16100 Sand Canyon Ave, Ste 130, Irvine, CA 92618
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · 25+ years of experience ·
Read bio
Kenneth M. Tokita, M.D. is a graduate of the University of Washington School Of Medicine. He interned at the University of Southern California and underwent residencies at both the Mayo Clinic and the University of Washington. After proudly serving as a US Army physician, Dr. Tokita eventually settl...Click to read more

Dr. Selamawit Negusse, MD

Radiation Oncologist
29.5 mi · 16100 Sand Canyon Ave, Ste 130, Irvine, CA 92618
Accepts BlueCross BlueShield, Cigna, Medicare + 4 more
Accepting new patients · Expertise in radiation treatment of prostate cancer + 4 more ·
Read bio
Dr. Selam Negusse began her academic journey earning a Doctor of Pharmacy degree from the University of Oklahoma College of Pharmacy. She gained valuable experience working in retail pharmacy and at Merck Pharmaceuticals. Driven to expand her expertise, Dr. Negusse pursued medicine, graduating with ...Click to read more

Dr. Levon Qasabian, MD

Oncologist (Virtual)
4.41
·39 reviews
Making the appointment was easy, but getting in touch with the office was sometimes difficult when trying to clarify the provider's specialties in regard to Melanoma prior to my visit. Once at the appointment, the doctor's bedside manner was calm and very knowledgeable, but a bit short when I tri...Click to read more
Los Angeles, CA
Accepts BlueCross BlueShield, Medicare, UnitedHealthcare + 5 more
Accepting new patients · 25+ years of experience · Offers video visits · Excellent wait time · Expertise in chronic leukemia + 6 more ·
Read bio
Dr. Qasabian is a medical oncologist and hematologist at Synergy Hematology Oncology Medical Associates, Inc. He specializes in the management of solid tumors, lymphomas, blood malignancies, coagulation disorders, anemias, and cancer screening. With warmth and expertise, he guides patients through t...Click to read more
Other providers
Availability last updated 08/21/2026
Availability last updated 08/21/2026

Lauren Pinter-Brown, MD

Internist
7775.5 mi · 101 the City Dr S, 56, Orange, CA 92868
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in lymphoma + 1 more ·
Read bio
Lauren Pinter-Brown, MD is a Internist in Costa Mesa, CA and Los Angeles, CA. They attended medical school at University Of California in 1980. They completed their residency at La Co Harbor Ucla Medical Center. Lauren Pinter-Brown was board certified by American Board of Internal Medicine Certifica...Click to read more

Misagh Karimi, MD

Internist
7775.5 mi · 1601 Avocado Ave, Newport Beach, CA 92660
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in chronic anemia + 3 more ·
Read bio
Misagh Karimi, MD is a Internist in Duarte, CA, Irvine, CA and Corona, CA. They attended medical school at George Washington University School Of Medical & Hlth Sci in 1996. They completed their residency at University Ca Irvine Medical Center. Their offices are located in 1500 Duarte Rd, Duarte, CA...Click to read more
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Zocdoc saves me so much time I used to spend calling around to find a place that takes my insurance or finding openings with doctors on the list provided by my insurance!
Stephanie W.
10/10!!!! I woke up on Sunday with severe wisdom tooth pain. I was able to make an early appointment Monday morning...So so happy with my experience!
Lauren K
This was my first Zocdoc experience and everything went perfectly!
Joshua R
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

How can I check if my oncologist accepts my insurance?

Zocdoc makes it easy to find an oncologist in Riverside, CA who accepts your insurance. Simply select your carrier and plan from the drop-down menu at the top of the page. If you’re unsure about the plan name, here's a handy guide to help navigate.

How do patients rate their experience with booking oncologists in Riverside, CA on Zocdoc?

On Zocdoc, oncologists in Riverside, CA have an average rating of 4.84 based on approximately 23 reviews. In Riverside, CA you can find 106 oncologists with 4-stars or higher. Zocdoc collects reviews from real patients after each appointment, ensuring authentic feedback. Only patients who have booked and attended appointments may post reviews, providing trustworthy and reliable insights into patient experiences.

Can I book a video visit with an oncologist?

Yes, you can book a video visit with an oncologist. There are currently no locations that offer video visits in this city. When a provider offers video visits, you will see a small video camera icon next to their profile image. Select a date and time from their available appointment slots and go through the booking process.

Zocdoc›Oncologists›Orange County, CA›Riverside, CA