I recommend the following for holistic, functional health consulting:
Dr. Diana Henson Licensed Naturopathic Doctor
Email: info@IntegrativeAdvantage.com
Dr. Doreen DeStefano Licensed Nurse Practitioner
Website: RTCausesMD.com
Email: frank.rootcauses@gmail.com
Dr. Derek Lawrence Licensed Naturopathic Doctor
Website: www.revivenatmed.com
Contact thru the website
Dr. Kasey Holland Licensed Naturopathic Doctor
Website: drkaseyholland.com/contact/
Email: support@drkaseyholland.com
You can also use the search engines described here to see if there are international providers meeting the criteria.