Pain Management Information
University Pain Consultants is an interventional pain practice on Brockton Avenue in Riverside, co-founded in 2007 by Rainier Guiang, MD. The group also sees patients in Corona, Menifee, Temecula, Hemet and San Bernardino.
A Multi-Office Inland Empire Pain Group
Alongside spine and joint procedures, the group offers ketamine infusions, stellate ganglion blocks and intrathecal pump maintenance. An affiliated regenerative and wellness arm offers PRP and other cash-pay services.
Treatments & Procedures Offered
- Epidural Steroid Injections: Image-guided epidurals for sciatica and radiating arm or leg pain.
- Facet Injections & Radiofrequency Ablation: Diagnosis and longer-lasting relief of facet joint pain.
- Spinal Cord Stimulation: Neuromodulation trials and implants for chronic pain.
- Nerve Blocks & Stellate Ganglion Block: Targeted blocks for nerve and sympathetic pain.
- Joint & Trigger Point Injections: Injections for joint arthritis and muscle knots.
- PRP, Ketamine & Botox: Platelet-rich plasma, ketamine infusions and Botox injections.
Conditions Treated
Low back and neck pain, sciatica, spinal stenosis, facet arthritis, joint pain, nerve pain, CRPS, headaches and myofascial pain.
Medical Team & Riverside Location
- Lead Physician: Rainier Guiang, MD (Board certified in anesthesiology (2004) and pain medicine (2005), with a pain fellowship at Case Western Reserve University / University Hospitals Cleveland)
- Also Practicing: Hamilton Chen, MD; Suzanne Hyun, MD; Gary Pang, MD
- Riverside Office: 6900 Brockton Avenue, Suite 203, Riverside, CA 92506
- Other Offices: Corona, Menifee, Temecula, Hemet and San Bernardino
- Phone: (951) 784-7111
- Website: unipain.com
Frequently Asked Questions (FAQ)
Who founded University Pain Consultants?
Dr. Rainier Guiang, MD co-founded the practice in 2007.
Does the practice offer spinal cord stimulation?
Yes. Spinal cord stimulation is listed with epidurals, radiofrequency ablation, nerve blocks and intrathecal pump maintenance.
Where is the Riverside office?
At 6900 Brockton Avenue, Suite 203, Riverside, CA 92506. Call (951) 784-7111.



