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Regenerative Biologics Institute
Regenerative Biologics Institute
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    • Home
    • About RBI
      • About Us
      • Contact Us
      • News & Research
      • Stem Cell Testimonials
      • Blog
    • Joint Health
      • Joint Injection Therapy
      • SoftWave Therapy
      • Platelet Rich Plasma
    • Memberships
    • Primary Care Services
    • Hormone Therapy
    • Spine Health
    • Regenerative Aesthetics
    • Aesthetics Menu/Services
    • Medical Weight Loss
    • Peptide Therapy
    • IV Vitamin Therapy
    • Patient Resources
  • Home
  • About RBI
    • About Us
    • Contact Us
    • News & Research
    • Stem Cell Testimonials
    • Blog
  • Joint Health
    • Joint Injection Therapy
    • SoftWave Therapy
    • Platelet Rich Plasma
  • Memberships
  • Primary Care Services
  • Hormone Therapy
  • Spine Health
  • Regenerative Aesthetics
  • Aesthetics Menu/Services
  • Medical Weight Loss
  • Peptide Therapy
  • IV Vitamin Therapy
  • Patient Resources

Providers

Smiling woman in a white coat, likely a healthcare professional, with light makeup and a friendly expression.

Ashley Grall, APRN

Men & Women's Health Specialist


Ashley is an experienced Nurse Practitioner who earned her master’s degree from Florida Atlantic University and her national certification through American Association of Nurse Practitioners in 2021. Her background as a registered nurse began in 2005 which has given her an exceptional and broad foundation in medicine.  She brings a wealth of knowledge, compassion, and clinical expertise to our practice. Since becoming a nurse practitioner, she has spent several years serving in both emergency and hospital medicine at the renowned Cleveland Clinic. 


She is a vibrant and health-conscious native of Vero Beach, Florida. As a proud wife and mother of two, she regularly balances her family life with her passion for fitness and wellness. She believes in the power of clean eating and fueling her days with nourishing, wholesome foods. Her dedication to living a healthy lifestyle not only benefits her, but also inspires those around her to prioritize their own well-being. Ashley enjoys spending quality time with her loved ones, soaking in the coastal beauty of her hometown. 


Ashley is deeply passionate about personalized patient care and helping individuals take control of their health and vitality. Her background in both acute care and leadership roles has made her a confident, thoughtful provider who’s known for her quick thinking, collaborative approach, and commitment to improving lives. Whether you’re seeking support for primary care, chronic conditions, or optimizing long-term functional health and wellness, Ashley is here to guide you with experience and heart.


In addition to her vast nursing experience, Ashley has undergone training with the American Academy of Anti-Aging Medicine (A4M). The A4M is rooted in a forward-focused mission to redefine modern medicine. The A4M is the established global leader for continuing medical education in longevity medicine, metabolic resilience, and whole-person care. In consistently pushing beyond traditional standards of healthcare and disseminating the latest and most innovative clinical strategies in modern medicine, the A4M has spent nearly three decades equipping clinicians from across the globe to combat the growing burden of age-related disease and improve the human health span.

Smiling man in medical scrubs with RBI Regenerative Biology logo.

Jay Johnston, PA-C

Orthopedic Specialist & Men's Health Specialist


Jay brings substantial orthopedic and joint injection expertise to RBI with nearly 20 years experience in Orthopedic Medicine.  He also has a well developed ability to perform medical histories, physical examinations, joint injections and other procedures. 


Jay Johnston is board certified by the National Commission on Certification of Physician Assistants and is licensed with the Florida State Board of Medical Examiners. Jay is also a member of the American Academy of Physician Assistants. Jay graduated from the University of Central Florida in Orlando, FL with a Bachelor of Science degree in Molecular and Microbiology in 2003. He then attended Nova Southeastern University in Fort Lauderdale, Florida where he earned his Masters degree in Medical Science and Bachelor of Science degree in Physician Assistant studies in 2006.

 

Jay is passionate about helping men take control of their health and feel their best at every stage of life. With a focus on testosterone optimization, energy support, and weight management, he works closely with patients to create personalized, results-driven plans. Whether you’re experiencing fatigue, stubborn weight gain, or low libido, Jay is here to help you regain your vitality and confidence with a practical, science-based approach.

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Experience Comprehensive Functional Health Visits, World-Class Primary Care, Advanced Regenerative Treatments & More with providers who truly listen. PLUS in-house bloodwork analyzing over 100 biomarkers!


Our Functional Health Visits & Treatments Help Patients Increase Energy, Lose Weight & Gain Muscle, Improve Sleep, Improve Libido, Improve Skin Health, Renew Joint Health, Improve Overall Health & Prevent Disease!


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