Best Radiation Oncology Physician in Fountain Valley
Finding the right radiation oncology physician in Fountain Valley means weighing insurance coverage, distance, and bedside manner. The metro has a growing bench of radiation oncology physician — 8 radiation oncology physician are listed below.
8 radiation oncology physician in Fountain Valley

Usama Mahmood, MD
4.5Usama Mahmood · Radiation Oncology Physician
18111 Brookhurst St # Ll0300(714) 962-7100
Orange Coast Radiation Oncology Medical Group
4.5Orange Coast Radiation Oncology Medical Group · Radiation Oncology Physician
18111 Brookhurst St(562) 492-6695
Quoc Anh Ho, MD
4.5Quoc Anh Ho · Radiation Oncology Physician
11190 Warner Ave Suite 115(714) 210-0140
Asif R. Harsolia, MD
4.5Asif R. Harsolia · Radiation Oncology Physician
18111 Brookhurst St(714) 962-7100
Ajmel A Puthawala, MD
4.5Ajmel A Puthawala · Radiation Oncology Physician
18111 Brookhurst St(714) 962-7100
Memorial Radiation Oncology Medical
4.5Memorial Radiation Oncology Medical · Radiation Oncology Physician
18111 Brookhurst St(714) 962-7100
Donald Charles Karon, MD
4.5Donald Charles Karon · Radiation Oncology Physician
11190 Warner Ave(714) 549-0988
Ajay Bhatnagar MD PC
4.5Ajay Bhatnagar MD PC · Radiation Oncology Physician
11100 Warner Ave Suite 206(714) 912-0020
Radiation Oncology Physician in Fountain Valley by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Radiation Oncology Physician in nearby cities
Same specialty in cities near Fountain Valley — useful if your insurance network extends across the metro.
About finding a radiation oncology physician in Fountain Valley
Fountain Valley has radiation oncology physician practicing across hospital systems, group practices, and independent clinics. When choosing a radiation oncology physician in Fountain Valley, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many Fountain Valley radiation oncology physician list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Common questions about radiation oncology physician in Fountain Valley
How do I find the highest-rated radiation oncology physician in Fountain Valley?+
Sort the list above by rating. Heallexa surfaces verified patient reviews alongside credentials so you can see whether a provider's strengths match what you actually need.
What if no Fountain Valley radiation oncology physician accept my insurance?+
Try the surrounding metro — insurance networks often extend across multiple cities. The nearby-cities links below open the same specialty in adjacent markets. Always confirm coverage directly with the provider.
Are walk-in visits available with Fountain Valley radiation oncology physician?+
Walk-ins are uncommon for most radiation oncology physician. The "available today" filter shows providers with open same-day slots.
How often is this Fountain Valley list updated?+
Heallexa refreshes provider data from public NPI records and license databases on a rolling basis. Listings that fall out of the active registry are removed automatically.