Contact Us

We hope the information contained in this website has been helpful. If you would like to contact us, please click on the email link below. Please indicate whether you are already established as a client with Dr Jeff.

We typically reply to all email inquiries within 1-3 days during our normal hours of operation. Delays may occur during specific travel times - please see below. If you send an email and do NOT receive a reply within 3-4 days, please check the Travel Dates listed below and then your SPAM inbox. If you do not see a reply, please contact us using our back-up email address, below or leave us message on our voice mail at 603-881-8300.

Back-up Email Address: thecner@p*r*o*t*o*n*m*a*i*l*.com (remove the * to use)

To Email us, please click HERE, or use [info (at sign) centerfornutrition(dot)net].

Our Email Policy: We use email for conveying important and limited specific information in a timely manner. Your questions are important but if you are asking for specific recommendations in relation to new or ongoing symptoms, lab test results, modifications to your nutritional program, etc. an appointment is required. You can schedule that here:

Our Fax number is (603) 546-7211
Our VoiceMail Number is (603) 881-8300

Special Travel Notice

Dr. Jeff will be in Guatemala from April 30, 2018 through May 14, 2018 overseeing the 2nd Clinical Roundtable Weekend for the Midwives in Guatemala. ( as well as working with the K'iche' Maya in the central highlands. Please see the schedule at: I will have internet access for email and Voip phone from May 01 - May 6 only. Please let me know if you have an URGENT need to speak during this time. Thank you.