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Hematology & Oncology | St. Jude Heritage Medical Group

HematologyBuena Park, CA

★★★★★4.8/52,054 reviews across 4 platforms

Ratings by platform

  • psjhmedgroups.org: 4.8/5 (297 ratings) for Dr. Sanjay Sharma (297 ratings)
  • psjhmedgroups.org: 4.9/5 (406 ratings) for Dr. Steven Woong Kim (406 ratings)
  • psjhmedgroups.org: 4.9/5 (225 ratings) for Dr. Yung Lyou (225 ratings)
  • Birdeye: 4.7/5 overall for St. Jude Heritage Medical Group (1,126 reviews)

What patients say

Patients praise

  • High patient satisfaction ratings for individual hematology and oncology physicians, with many receiving ratings of 4.8 or 4.9 out of 5
  • Doctors described as professional, knowledgeable, easy to talk to, and responsive to patient concerns
  • Supportive, caring, and sensitive care teams during difficult diagnoses
  • Convenient on-site services such as labs

Common complaints

  • Administrative issues including difficulty scheduling appointments, appointment cancellations, and lack of follow-up communication
  • Concerns regarding billing practices and copayment disputes
  • Reports of unprofessional or poor staff attitudes in specific departments
  • Difficulty reaching providers directly and reliance on third-party services

In patients' words

"Everyone I have experienced have been wonderful and sensitive, some more than others but very caring and not letting my care slip through any cracks."

Patient review for Dr. Sanjay Sharma on psjhmedgroups.org

"It only took him a couple of minutes, but it made me feel he treated me like a human being rather than just a medical number."

Patient review for Dr. Yung Lyou on psjhmedgroups.org

"I am very disturbed of the unprofessional and poor attitude of Ms. Hanna, registered nurse, who works at infusion center, in Fullerton office"

Patient review on checkbca.org

"The right hand doesn’t know what the left hand is doing. Keep sending me back and forth."

Patient review on Birdeye

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6][7][8].

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