Country: United States
Location: Aquebogue, NY
Access: In Person, Virtually
Specialties: Anxiety and Depression, Asthma and Allergy, Diabetes/Metabolic Dysfunction, Digestion/GI Health, Men's Health
Certified Through: 2028-10-31

John Castella, M.A.B.A., M.A.

AFMC Certified Practitioner

Focus on educating clients to overcome asthma, allergies, anxiety, depression, type 2 diabetes, autoimmune disease, and sleep disorders.

To preserve the integrity of the AFMC credential, recertification is required every three years to retain active certification status. Learn more about our certification.

accredited functional medicine practitioners