Cal Sports & Orthopaedic Institute | Orthopaedic Specialists in Berkeley, Oakland & Orinda

Berkeley
(510) 704-7760

Orinda
(925) 258-9571

Oakland
(510) 422-5150

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Welcome

CSOI is a comprehensive orthopaedic and sports medicine practice delivering a personalized patient experience designed to empower everybody — desk jockeys and weekend warriors alike — to get back on track to regain their level of activity.

  • Surgery
  • Regenerative Medicine
  • Injections
  • Tenex Health TX™
  • Athletic Braces and Slings
  • Diagnostic Ultrasound

Our Providers

  • Robert A. Eppley, M.D.
  • Brad A. Zwahlen, M.D.
  • Chad A. Roghair, M.D.
  • Ken Honsik, M.D.
  • C. R. Strotz, M.D.
  • Jeffrey Mann, M.D.
  • Timothy C. Shen, M.D.
  • Jane Hartigan, PA

Quick Links

We are pleased to announce our new Patient Portal with Sutter Health Systems. Please sign up for your Sutter Health Account.

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We were voted Best Orthopaedic care in Oakland and the East Bay for 2020.

 

“Dr. Strotz took the time to examine my injury, answer my questions, and advise me as to activities that I can do. I appreciate Dr. Strotz’s thorough knowledge, expertise, welcoming manner, and patience.”
— R. Hardy
“As an athlete, I’ve seen Dr. Cummins dozens of times in the past couple of years. Unlike most doctors these days, he never rushes me, he answers all of my many questions, and he’s always gotten me on the road to recovery. My sense is that he’s best with very active people, but I would definitely recommend him to anyone.”
— K. Nelson
“Every aspect of the experience was excellent. Going in for rotator cuff surgery makes for a fair amount of anxiety and concern. Dr. Alwattar and his entire staff ushered me into a substantial comfort zone. Information was forthcoming and the resulting peace of mind made the surgery and recovery processes far more calming than I anticipated.” – A. Edlen
“Dr. Honsik did an excellent job of explaining my condition. Made good eye contact & was not annoyed by being asked questions. Visit did not feel hurried. OrthoVisc injection was painless. Liked that I had a chance to see the medication, via the ultrasound, being expelled from the needle. Cool.”
— M. Brown
“I can only wish I could add a sixth star! Each member of the staff, doctors and others were optimistic, upbeat and helpful. I knew I could call (during the weeks of recovery) anytime for advice or prescriptions. Surgery/hospital experience was wonderful. I would always recommend Cal Sports to anybody with a joint concern.”
— K. Saarni
“Dr. Honsik is always pleasant and is always available to answer questions. More importantly he listens and that is a wonderful trait in a health care professional.”
— D. Swinarski
“Dear Dr. Eppley and Staff, words fail to express my deepest gratitude to you for your expertise and caring over the past 6 months. You guided me through a labyrinth of questions, always with a prompt, caring answer. Your collective knowledge base on all subjects was clear, detailed and accurate. I am forever your best advocate.”
— L. Aldrich

 

Read more Patient Stories…

Team Affiliations

Dr. Robert Eppley, U.C. Berkeley Cal Bears, Orthopaedic Surgery Specialist

Dr. Ken Honsik, U.C. Berkeley Cal Bears, Orthopaedic Specialist, St. Mary’s Head Team Physician

Dr. Jeffrey Mann, U.C. Berkeley Cal Bears, Orthopaedic Surgery Specialist

Dr. Chad Roghair, St. Mary’s Campus Health Center Chief Consulting Physician, Head Team Physician

Dr. Timothy Shen, U.C. Berkeley Cal Bears, Spinal Injections, Electrodiagnostics

Dr. Brad Zwahlen, St. Mary’s Head Team Orthopaedic Surgeon

Berkeley Office
2999 Regent St., Suite 225
Berkeley, CA 94705
p: (510) 704-7760
f: (510) 704-7765

Orinda Office
25 Orinda Way, Suite 100-A
Orinda, CA 94563
p: (925) 258-9571
f: (925) 258-9572

Oakland Office
350 – 30th St., Suite 530
Oakland, CA 94609
p: (510) 422-5150
f: (510) 422-5149

Hours at all locations:
Office Hours:
8-11:45 am and 12:45-5 pm

Phone hours:
8:30 – 11:45 am and 1-4:30 pm

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