Heart and Vascular Clinic San Jose | Stanford Health Care
Cardiology (Heart and Vascular) • Sunnyvale, CA
Ratings by platform
- Stanford Health Care (Ryan Sandoval, M.D.): 4.9/5 (133 ratings; 47 reviews)
- Stanford Health Care (Justin C. Lee, MD, FACC): 4.9/5 (323 ratings; 171 reviews)
- Healthgrades (Dr. David Hyun, MD): 4.6 star rating (Based on 11 reviews (9% 1-star))
- Birdeye (Mohan Viswanathan): 5.0 (implied 5-star rating) (6 reviews)
What patients say
Patients praise
- Doctors/patient interactions described as thorough, professional, and caring
- Patients report taking time to answer questions and explain conditions/test results
- Overall high physician ratings (around 4.6–4.9/5) on cited clinician pages
Common complaints
- Some broader Stanford Health Care complaint reporting indicates dissatisfaction (low star rating and many unresolved complaints)
- Third-party local reviews of a Stanford-affiliated Sunnyvale service mention incorrect/wrong contact info or poor coordination (may affect patient experience)
In patients' words
"“I really like Dr Sandoval and feel lucky I found him. He took the time for all of my questions and thoughtfully answered them. I did not feel rushed…”"
— Stanford Health Care – Ryan Sandoval, M.D. page (Heart & Vascular Clinic San Jose section)"“No complaints - I have had only good experiences.”"
— Stanford Health Care – Justin C. Lee, MD, FACC page"“Stanford Health Care earns a 1.5-star rating from 0 reviews and 54 complaints, showing that the majority of patients are dissatisfied with their medical care.”"
— ComplaintsBoard – Stanford Health Care Patients Reviews 2026 – ComplaintsBoard"“The phone number listed for this lab is completely WRONG… It is unbelievably frustrating…”"
— localitybiz.com – Stanford Medicine Children’s Health Specialty Services – Sunnyvale reviewMore clinics in Sunnyvale
Heart and Vascular Care - Baylor Scott & White Medical Center
Patients praise: Physicians often communicate well with patients · Some individual specialists receive high patient satisfaction ratings.
Physical Therapy in Sunnyvale, CA - Therapydia California
Patients praise: One-on-one attention throughout sessions · Professional and knowledgeable staff.
Cancer Services | Oncology and Hematology - Sutter Health
Patients praise: High satisfaction ratings for individual oncologists and hematologists (4.9/5) · Excellent experiences reported with specific medical procedures.
Sunnyvale, CA Dermatologists | Sutter Health Doctors
Patients praise: High quality and evidence-based care focus · Patient-centered approach and collaboration.
Comparing your options?
Browse other Cardiology clinics, or filter by state and specialty to compare patient ratings.