Summary

For ongoing updates and information about COVID-19, including how to access care, please visit the John Muir Health website.

Quick Facts

  • accepting new patients
  • 4.2
  • 30 years of experience
  • 30 insurance plans accepted
  • speaks Spanish
  • Childrens Hospital
  • 1 written review
  • 2 specialties
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

John Muir Health

12677 Alcosta Blvd Ste 240San Ramon, CA 94583
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Michael Ruiz, MD
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Dr. Michael Ruiz, MDDr. Bruce Hewett, MDDr. Gilbert Chang, MDDr. Michael Ginsberg, MD
PediatricsPediatricsPediatricsPediatrics
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.6 
4.4 
2.9 
30 Years of Experience 41 Years of Experience 30 Years of Experience 21 Years of Experience
Virtual Visit Available No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish Speaks English, Spanish Speaks Spanish, English Speaks English
San Ramon , CAVacaville , CAFairfield , CAFairfield , CA
Med School: Harvard Medical School Med School: University Of Colorado School Of Medicine Med School: Rutgers Robert Wood Johnson Medical School Med School: University Of Michigan Medical School
Current Profile
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Insurance Plans Accepted by Dr. Michael Ruiz

  • Accepts Medicare
  • AARP Medicare
  • Aetna
  • Alameda Alliance for Health
  • Amera-Net
  • Anthem Blue Cross
  • Beech Street (owned by MultiPlan)
  • Blue Shield
  • Canopy Care
  • Canopy Health
  • Canopy United Healthcare
  • ChoiceCare Network/Humana
  • Cigna
  • Community Care Network (CCN)
  • Contra Costa Health Plan
  • CorVel Corporation
  • Coventry Health Care National Network
  • First Health
  • Fortified Provider Network
  • Great-West Healthcare (Now CIGNA)
  • Health Management Network
  • Health Net
  • HealthSmart
  • Humana
  • Inc.
  • Integrated Health Plan
  • Medicare
  • Medicare Advantage Plans
  • Multiplan
  • Multiplan PPO (Kaiser PPO or POS - excluded)
  • United Health Care

Medical Specialties

Dr. Michael Ruiz has the following 2 specialties

Specialty Expertise

Dr. Michael Ruiz has the following 6 areas of expertise

  • Check-up
  • Immunization
  • Internist/pediatrician
  • Pediatric Diabetes
  • Physical
  • Vaccination

Certifications, License, & Education

30 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

Childrens Hospital

Medical School

Harvard Medical School
Harvard Medical SchoolGraduated in 1996

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Frequently Asked Questions

Is Dr. Michael Ruiz accepting new patients?
Dr. Michael Ruiz is accepting new patients on Vitals. View Dr. Michael Ruiz's profile on Vitals to make an appointment.
Does Dr. Michael Ruiz accept my insurance?
You can see the insurance plans that Dr. Michael Ruiz accepts on their Vitals profile.
What languages does Dr. Michael Ruiz speak?
Dr. Michael Ruiz speaks Spanish.
How can I make an appointment with Dr. Michael Ruiz?
You can find contact information for Dr. Michael Ruiz here on Vitals.
Which hospitals is Dr. Michael Ruiz affiliated with?
Dr. Michael Ruiz is affiliated with Stanford Health Care Tri Valley.

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