Mark Hyman, M.D.
Co-Founder and Chief Medical Officer.
How the program works
Join the program
Get your unique referral link and QR code
Share them with patients
Patients enroll directly with Function with a $25 credit
Patients download and share their results with you
Earn a free year after 5 successful referrals
Simple to implement. No billing complexity. No payout administration.
Built with the world's top doctors
Function’s Medical & Scientific Board
Daniel Sodickson, M.D., PhD
Chief Medical Scientist at Function. Former Chief of Innovation in Radiology at NYU Langone.
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham & Women's Hospital. Professor at Harvard.
Andrew Huberman, PhD
Professor of Neurobiology at Stanford School of Medicine.
Toby Cosgrove, M.D.
Former CEO of Cleveland Clinic. Top heart surgeon.
Azra Raza, M.D.
Top medical oncologist. Professor at Columbia University.
Eddie Chang, M.D.
Professor & Chair of Neurological Surgery at UCSF.
Luis A. Diaz, M.D.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.
Yves Michel Duroseau, M.D.
Chair of the Department of Emergency Medicine at Lenox Hill Hospital.
Jen Ashton, M.D., M.S.
Double board-certified in OBGYN and Obesity Medicine; MS in Nutrition.
Jordan Shlain, M.D.
Primary care physician. Founder and Chairman of Private Medical.
Mark Hyman, M.D.
Co-Founder and Chief Medical Officer.
Daniel Sodickson, M.D., PhD
Chief Medical Scientist at Function. Former Chief of Innovation in Radiology at NYU Langone.
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham & Women's Hospital. Professor at Harvard.
Andrew Huberman, PhD
Professor of Neurobiology at Stanford School of Medicine.
Toby Cosgrove, M.D.
Former CEO of Cleveland Clinic. Top heart surgeon.
Azra Raza, M.D.
Top medical oncologist. Professor at Columbia University.
Eddie Chang, M.D.
Professor & Chair of Neurological Surgery at UCSF.
Luis A. Diaz, M.D.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.
Yves Michel Duroseau, M.D.
Chair of the Department of Emergency Medicine at Lenox Hill Hospital.
Jen Ashton, M.D., M.S.
Double board-certified in OBGYN and Obesity Medicine; MS in Nutrition.
Jordan Shlain, M.D.
Primary care physician. Founder and Chairman of Private Medical.
Frequently asked questions
As a provider, can I see my patients' data?
Due to privacy laws, we are unable to share individual patient data with providers at this time. That said, members are always in control of their information and can choose to share results with you once everything is finalized by:
- Logging in to Function
- Going to My Documents
- Downloading their results
- Sharing the PDF with you securely
What benefit do providers get for referring patients to Function?
You strengthen trust, support better outcomes, and give patients a special membership rate, all while gaining insight to tailor care.
Can providers see who signed up using their referral link?
Due to privacy regulations, we cannot disclose which patients enrolled using your link. You can log in to Impact to view clicks, conversions, and overall link performance.
How is a successful referral defined?
A referral is successful when a patient you refer enrolls as an active Function member.
Can I earn more than one free year of Function membership?
This is a one-time offer. You earn one free year of Function membership after five successful referrals.