Sierra Vista Family Medical Clinic
Family Medicine • Simi Valley, CA
Clinic Type
Family Medicine
Address
1227 E. Los Angeles Ave., Simi Valley
Phone
(805) 582-4000
LOIS.VCAAA@venturacounty.gov
Opening Hours
Monday-Thursday 8:00am-7:00pm; Friday 8:00am-5:00pm
Services Offered
Team
Insurance & Payment
—
Languages Spoken
FAQs
What are the clinic hours?
Monday-Thursday 8:00am-7:00pm; Friday 8:00am-5:00pm.
What is the full street address?
1227 E. Los Angeles Ave., Simi Valley, CA 93065.
Social Media
Photos







What Patients Say
Overall sentiment across review platforms: mixed
- Yahoo Local: 2.5 stars out of 5 (117 reviews)
- Facebook: 74% recommendation rate (17 reviews)
- BestProsInTown: Not explicitly stated, but implies moderate to high review count (106 reviews)
Patients praise
- Knowledgeable and professional doctors/specialists
- Helpful and courteous individual staff members
- Efficient service in some urgent care or specialized departments
- Welcoming and modern facility environment
Common complaints
- Long wait times for appointments and walk-ins
- Difficulty scheduling appointments with primary care physicians (PCP)
- Unprofessional or rude staff behavior
- Poor communication regarding appointments or prescription refills
- Concerns about bedside manner and lack of patience from some providers
"I've been a patient at this clinic for over a year, and while I've had wonderful experiences with several departments... my overall care... [has been mixed]."
— Yahoo Local Review (Skyler K.)"Aside from the long wait times and lack of care for the patients. The people who work here are rude and nasty. They lack knowledge and professionalism."
— LocalityBiz Review (Susan Jones)"I’m very happy to find a doctor that has those qualities. I would definitely recommend!"
— LocalityBiz Review (regarding Dr. Brenda Younnany)Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Diana Sarkisyan, MD - Internal Medicine - Simi Valley Primary & Specialty Care | UCLA Health — Apr 30, 2026
- Dionne Melody Austria – Simi Valley, CA | Family Nurse Practitioner — Aug 8, 2025
- Hospital encourages residents to prioritize preventive care — Nov 14, 2025
- 55 years strong — Apr 24, 2026
- Annual run supports free clinic — Sep 12, 2025
Information sourced from the clinic's website as of July 10, 2026.
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