Prolotherapy and Regenerative Medicine

The Hemwall Center for Orthopedic Regenerative Medicine, operating at Prolotherapy.com, is an osteopathic prolotherapy and regenerative injection practice with an office in Valencia, California.

Clinicians

• Donna D. Alderman, DO — lead physician

Regenerative treatments offered

• Traditional prolotherapy — concentrated dextrose solution
• Platelet-rich plasma (PRP) prolotherapy
• Biocellular stem cell-rich prolotherapy — described on the site as its most aggressive formula; the site references mesenchymal and adipose-derived cells but does not state its own cell source
• Diagnostic ultrasound is featured in the site’s services menu

Conditions the practice lists

Osteoarthritis, knee pain and meniscal tears, shoulder problems, sports injuries, tendinitis and tendinopathy, ligament sprains and tears, disc disease, lower back pain, neck pain, foot pain and plantar fasciitis, and tennis and golfer’s elbow.

What to know before you call

• Southern California office: 28212 Kelly Johnson Parkway, Suite 135, Valencia, CA 91355, (661) 295-1110
• Northern California office: Hemwall Medical Center, 2233 Harbor Bay Parkway, Alameda, CA 94502, (510) 549-1700
• The site includes a candidacy page and FAQ; contact email is info@prolotherapy.com
• Prices, insurance and telehealth are not addressed on the homepage

RPG verification notes

• Lead physician named on the website; one image caption shows an MD credential while the bio indicates DO
• No FDA disclaimer found on the homepage
• Prices not published

Last verified by Regen Provider Guide: October 2026. Confirm treatment details, candidacy, insurance coverage and costs directly with the practice. RPG makes no claim about the effectiveness of any treatment.