I found this on Page 21 of the link.

MTHFR Genetic Testing is available through:
•Spectracell
•Quest
•LabCorp
•Baylor Research Institute –excellent out of pocket option if insurance does not cover
•23andMe -(provides only raw data which must be interpreted. Interpretation done by MTHFR Support – Raising Awareness, One Doctor At A Time)

Frequently Asked Questions – MTHFR Support

Look on the left for 'Practitioners, Consults and Interpretations' for info about finding a practitioner to do the interpretation..