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Clinic Type

Oncology

Address

5832 Beach Blvd., Buena Park, CA

Phone

800-872-2273

Email

hscnews@usc.edu

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • radiation oncology
  • oncology services
  • diagnostic screenings
  • immunotherapy
  • targeted therapies
  • cancer medication
  • infusion therapy
  • imaging services
  • surgical oncology (urologic and colorectal cancers)
  • clinical trial participation (planned)

Team

  • Sang-Hoon Ahn, MD, MPH — medical director for Keck Medicine of USC – Buena Park

Insurance & Payment

Languages Spoken

  • Korean
  • English
  • Spanish

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD (Keck Medicine of USC Buena Park Oncology): No ratings currently available on major specialized doctor/practice review sites (0 reviews)

Patients praise

  • convenient location for Orange County residents
  • access to specialized care and advanced therapies near home
  • clean and modern facilities
  • compassionate and supportive care from staff

Common complaints

  • billing concerns regarding office visit coding
  • limited parking availability at the facility
  • reports of physician turnover

"The staff and care are great. Facilities are clean and modern. No complaints there. The biggest failure of this building is the parking lot is tiny."

MapQuest User Review

"They're Drs come and go. I was told by phone that I can no longer see anyone in the ENT department."

Yelp User Review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

More oncology clinics in Buena Park

Buena Park, CA·Oncology

VerifiedOnline booking
Buena Park, CA·Oncology

Keck Medicine of USC is a nonprofit academic medical system based in Los Angeles, affiliated with the University of Southern California. It operates Keck Hospital of USC, USC Norris Cancer Hospital, and affiliated clinics, offering advanced cancer care among more than 100 clinics across Southern California and beyond. It ranks among the top 50 hospitals in several specialties (U.S. News & World Report 2024-25) and emphasizes research-driven, expert patient care across disciplines such as oncology, neurology, orthopedics, heart/vascular, and more. Key locations include USC San Pablo Street (HQ in Los Angeles) and Keck Hospital campuses; there is no explicit mention of a Buena Park cancer clinic in the provided content. If you’re seeking cancer care specifically in Buena Park, you may want to check nearby Keck Medicine locations or treatment centers in Orange County.

VerifiedOnline bookingEmergency careSince 1991

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