TSAOG Orthopaedics & Spine

TSAOG Orthopaedics & Spine is a multi-location orthopedic and spine group in the San Antonio area. Its Brooks City Base clinic is at 3327 Research Plaza. The group offers orthobiologic injections alongside surgical and non-surgical orthopedic care.

Clinicians

• Casey D. Taber, MD — Sports Medicine Surgeon
• Eloy Ochoa Jr., MD — Sports Medicine Surgeon
• David R. Espinoza, MD — Sports Medicine Primary Care Physician
• Ephraim K. Brenman, DO, RMSK — Pain Management Physician
• Sergio Viroslav, MD — Joint Replacement Surgeon
• Robert U. Hartzler, MD, MS — Shoulder & Elbow Surgeon
• Charles E. Bryant, MD — Pain Management Physician
• Alexis Maiella, DO — Non-Surgical Sports Medicine Specialist

Regenerative treatments offered

• The orthobiologics page names four options: Bone Marrow Aspirate Concentrate (BMAC), platelet-based injections, MFAT (microfragmented adipose tissue) and Alpha-2 (alpha-2-macroglobulin)

Conditions the practice lists

Osteoarthritis and rheumatoid arthritis; cartilage injuries; partial ligament tears of the ankle, wrist, elbow and knee (ACL, MCL, PCL); partial tendon tears of the rotator cuff, knee, quadriceps, wrist and hip; tendonitis; tennis and golfer’s elbow; and plantar fasciitis.

What to know before you call

• The group lists eight locations: Ridgewood, Quarry Area, Schertz, Medical Center, Westover Hills, Grayson Heights, Brooks City Base and New Braunfels
• Main line: 210-804-5400. Scheduling: 210-281-9595.
• The site has price transparency pages but says they may not be up to date. It directs pricing questions to the scheduling team.

RPG verification notes

• The physicians offering orthobiologics are named on the orthobiologics page, and their specialties appear on the physician directory
• The pages reviewed do not say which physicians see patients at the Research Plaza location
• No regenerative-specific FDA disclaimer was found on the orthobiologics page

Last verified by Regen Provider Guide: October 2026. Confirm treatment details, candidacy, insurance coverage and costs directly with the practice.