Stephen J Sims, MD
Primary Care • Mountain View, CA
About
Stephen J. Sims, MD is a family medicine physician based in Mountain View, California, practicing at Cogent Family Healthcare. The practice offers primary care services with a focus on chronic disease management, heart attack risk screening, and liver fibrosis screening. Key details: - Location: Mountain View, CA (two offices listed, including 525 South Dr Ste 107, Mountain View, CA 94040) - Specialty: Family medicine / primary care - Services: Primary care, heart attack risk screening, liver fibrosis screening, chronic disease management - Practice info: Cogent Family Healthcare, affiliated with Stephen Sims, MD - Contact: Phone numbers include 650-386-0468 and 650-386-0386 Notes:
Clinic Type
Primary Care
Address
525 South Drive, Suite #107, Mountain View, CA 94040
Phone
650-386-0386
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Opening Hours
Office Hours: Monday–Friday 8:00 am–5:00 pm; Saturday Closed; Sunday Closed
Telehealth
Available
Services Offered
Technology & Equipment
Team
Insurance & Payment
We accept Medicare and all Medicare secondary plans (Other than MediCal). We do not accept MediCal as primary.
Phone scheduling, Online booking, Medicare, Medicare secondary plans, Cash, Credit/Debit (assumed as typical practice)
Languages Spoken
FAQs
What insurance plans are accepted?
We accept Medicare and all Medicare secondary plans (Other than MediCal). We do not accept MediCal as primary.
Do you accept Medi-Cal?
We do not accept MediCal as primary.
What is the tax ID used to verify in-network status?
Tax ID 56-260-5608.
What are office hours?
Monday–Friday 8:00 am–5:00 pm; Saturday and Sunday closed.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- US News Health: 5/5 (60 reviews)
- Yelp: 4.1/5 (78 reviews)
- Healthgrades: 3.8/5 (25 reviews)
- WebMD Care: 5/5 (31 ratings)
Patients praise
- Patients describe him as caring, intelligent, and dedicated
- Appreciated for his focus on preventative care and wellness beyond just medication
- Praise for his thoroughness and detailed approach to medical examinations
- Positive feedback on his willingness to take time with patients and answer questions
Common complaints
- Reports of rude, unhelpful, or dismissive front desk staff
- Difficulty with appointment scheduling and office responsiveness
- Occasional negative experiences regarding clinical follow-up or professional interactions
"Dr. Sims reminds me of how things were in the good old days."
— Yelp review cited on practice website"Dr. Sims is great, however, dealing with his front staff is a nightmare."
— Healthgrades review"Dr. Sims is very knowledgeable, attentive, compassionate, respectful, empathetic, available, and accessible doctor. He pays attention on every single detail..."
— Testimonial on practice websiteSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
Information sourced from the clinic's website as of . Own this clinic? Claim or correct this listing.
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