Open today from 8:00 am to 5:00 pm • Call to schedule a visit.
Clinic Location

5161 Clayton Rd #F
Concord, CA 94521

Contra Costa County
Contact Information

About This Clinic in Concord, California

Welcome to the primary care reference profile for **John Muir Medical Group**, an operational healthcare clinic located at 5161 Clayton Rd #F Concord, CA 94521 . Serving the Contra Costa County community, patients receive care from a multi-provider medical team including Jaskaran Khela, DO, Elisabeth Renner, M.D., and other qualified specialists. John Muir Medical Group accommodates multiple health coverage options, accepting major networks such as **Medicare**. This provider is open 5 days a week. Read further below to access their local phone number, detailed weekly office hours, and patient reviews.

John Muir Medical Group (JMMG) was established in 1996 by a group of 30 local primary care physicians and has since expanded to include over 350 clinicians. They provide primary care services exclusively for the John Muir Physician Network Foundation, along with a comprehensive hospitalist program and urgent care facilities. JMMG operates more than 35 continuity care sites throughout the region, ensuring accessible care from Brentwood to Berkeley and Concord to Livermore. The organization is accredited by The Joint Commission, underscoring its commitment to high-quality healthcare.

Hours of Operation

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Day Hours
Monday 8:00 am - 5:00 pm
Tuesday 8:00 am - 5:00 pm
Wednesday 8:00 am - 5:00 pm
Thursday 8:00 am - 5:00 pm
Friday 9:00 am - 5:00 pm

Care Services

  • Bone Health Services
  • Breastfeeding Support Services
  • Cancer Programs and Services
  • Cardiovascular Services
  • Chemotherapy and Infusion Services
  • Gastroenterology Services
  • Genetic Counseling/Testing
  • Home Health - Skilled Needs Services
  • Home Visit Program - Primary Care
  • Nutrition & Weight Management
  • Pediatric Specialists
  • Physical Rehabilitation
  • Pregnancy & New Parent
  • Primary, Urgent and Emergency Care
  • Screening and Diagnosis
  • Support & Assistance
  • Wellness & Community

Accepted Insurance Plans

Need to verify your coverage? John Muir Medical Group and its resident providers could accept the insurance plans listed below. Because coverage can change, we recommend a quick call to the clinic at (925) 609-8282 to confirm they accept your specific plan before your appointment.

Medicare

Medicare

Meet Your Care Team

Our dedicated team provides comprehensive care in Stonewall. View provider specialties below to find the right fit for your needs.

DR. Diane B Chandler, D.O.

Family Medicine

Sarah Gehrke, NP

Nurse Practitioner (Family)

DR. Jaskaran Singh Khela, DO

Family Medicine

Elisabeth Harriet Renner, M.D.

Family Medicine

DR. Tanya A Threewitt, M.D.

Family Medicine

DR. Michael S Varon, M.D.

Family Medicine

Map and Location

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