
Peter Marincovich, Ph.D., CCC-A
Owner, Director of Audiology Services
Samuel (Sam) Johnson, Au.D.
Clinical Audiologist
Dr. Johnson believes that every patient deserves to play an active role in their healthcare. He is here to educate and guide patients to improve their hearing and balance concerns.
Dr. Johnson chose Audiology to help improve patients’ ability to communicate more effectively. He believes Audiology is a young field with new innovative treatment methods being developed yearly and is excited to a be a part of this change.
He is interested in recent research linking untreated hearing loss with cognitive decline. He is also interested in tinnitus including diagnosis and treatment.
Dr. Johnson currently provides tele-health services on the Santa Rosa Audiology Associates team.


Christopher Barajas, Au.D.
Audiology Intern
Christopher is an audiology student intern from the University of the Pacific on track towards earning his Au. D. Christopher has 3 years of experience working alongside various Audiologists and helping his patients hear better. He graduated from California State University Fullerton with a bachelors in Communicative Sciences and Disorders and uses his degree to provide top notch care to his patients. His professional interests include hearing conservation and amplification. He looks forward to helping patients’ lives improve.
Our Clinical Staff

Lisa Dehner, CCMA-AC
Hearing Loss Support Specialist, Hearing Aid Dispenser
Lisa Dehner received her certification in Medical Assisting from Empire College in Santa Rosa, California in 2007 and maintains state certification (clinical and administrative). In 2010 she received her Hearing Aid Dispensing License from the California Speech-Language Pathology & Audiology Hearing Aid Dispenser’s Board. She is also an active Hearing Loss Support Specialist certified by the Hearing Loss Association (HLAA). In addition, she is a current member of Hearing Healthcare Providers (HHP). Her professional interests include helping people reconnect with family and friends by obtaining maximum benefit from the latest hearing technology available and Interventional Audiology research.

Tina Afifi
Patient Care Coordinator, Hearing Loss Support Specialist, Hearing Aid Dispenser
Tina Afifi received her Hearing Aid Dispensing License in 2009 from the California Speech-Language Pathology & Audiology Hearing Aid Dispenser’s Board. She is also an active Hearing Loss Support Specialist certified by the Hearing Loss Association (HLAA). In addition, she is a current member of Hearing Healthcare Providers (HHP). Her professional interests focus on the newest hearing technology as well as Hearing Assistive Technology (HAT) for personal and business usage. Her current projects include creating a Personal Listening Room where people can come and experience better hearing.
Support Staff

Chloe
Assistant
Chloe is a Certified Occupational Hearing Conservationist and works as an assistant to the providers. She graduated from the University of Oregon with a degree in linguistics. She enjoys helping people reach their goals and achieve healthier lives. In addition, she has experience in research and is always looking forward to learning something new.