California Oncology Providers

christopher-perkins-md-150 10x10-blank andrea-stebel-md-small lany-sivongsay-np-150   Lori-Kovacevich-NP-small

Christopher Perkins, MD

Dr. Perkins is Medical Director and founder of California Oncology, and has been in practice in Fresno for 20 years. He is board certified and specializes in comprehensive treatment of breast and gynecological cancers.

Andrea Stebel, MD

Dr. Stebel joins us from Orange County where she has lived and practiced medicine for more than 20 years. Board certified in internal medicine and medical oncology, Dr. Stebel is an expert at diagnosing and treating breast disease.


Lany Avakian, NP

Lany Avakian, NP, received her master’s degree from the University of California, San Francisco, graduating magna cum laude. Her energetic attitude is evident in her commitment to a holistic approach to serving patients.


 Lori Kovacevich, NP

After working as a registered nurse for more than 30 years, Lori received a Master’s Degree in Nursing and is now Board Certified Family Nurse Practitioner. She is compassionate and devoted to her patients.

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  • My cancer experience taught me authentic concern for my health and recovery. I feel as though my caregivers were all family, even if I didn’t know them before.
  • I always feel like I am cared for both physically and emotionally when I come for an appointment. Dr. Perkin's takes his time with me and the employees treat me like I'm extended family. Thank you for caring.
  • Dr. Perkins is always caring and available and I learn so much from Lany and the others. I wouldn’t put my life in anyone else’s hands.
  • I received first class treatment in this beautiful office. The staff members genuinely care about my needs and I never felt like I was just a number.
  • Thank you for your kindness and care, and treating me like family. Dr. Perkins always took time to answer my questions.
  • Having breast cancer and experiencing the love and support at California Oncology reinforced the power, beauty and sharing of women. Thank you!