Welcome…we hope we can be helpful.

If you are interested in scheduling a consultation appointment to discuss your medical concerns, please send us a brief summary of your health history (if you haven’t already). We don’t need to see any lab work at this time.  Dr. Nathan reviews all emails to be sure your needs are in his scope of practice.

If you have any questions and/or concerns you can reach us at

At this point, we are asking that your treating physician be involved in all discussions. Why?  First of all, Dr. Nathan is only a consultant.  He has retired from his clinical practice and is no longer treating patients directly. We have found that involving your medical practitioner (optimally a MD, DO, ND NP or PA with prescriptive authority and NOT following the  Shoemaker protocols. ) from the beginning is the most productive and successful approach.  This person can follow through on Dr. Nathan’s suggestions and observations, order labs, and most important, prescribe your medications. We can schedule follow-up appointments (usually in 4 month intervals) if necessary. Please contact your doctor to see if he/she is willing and able to play this role.  Your treating physician needs to be well versed in treating environmentally acquired illnesses i.e. mold toxicity, Lyme disease, CFS, MCAS, etc. We have found that optimal treatment requires regular adjustments to your program. Dr. Nathan, as a consultant, cannot do that for you and you need a physician who is knowledgeable enough to be able to provide this level of care.  There is a list of medical practitioners who have studied and consulted with Dr. Nathan here on the website in the “Practitioners” tab.

Dr. Nathan can sort through your laboratory work and review your symptoms and health history to help you and your treating physician to understand what may have been missed in terms of diagnoses or treatments and to provide direction as how to move forward and to understand the bigger picture of your illness.  The majority of patients who use this service have had a lot of testing and seen many health care professionals but do not feel that they are progressing and are missing something or going in the wrong direction for treatment.

Before we schedule, you will need a Realtime Labs mycotoxins tests. If applicable, for Lyme Disease, Dr. Nathan prefers the IGeneX Immuno Blot for testing.

If you first want to learn more about Dr. Nathan and his work, we have updated the website,, to include many of the blogs that he has written along with professional and personal information. There are also podcasts featuring Dr. Nathan on the site.  Dr. Nathan has updated his 40 page ebook on mold toxicity, Mold and Mycotoxins 2022which is available on Amazon.  And addressing a broader range of medical topics, Dr. Nathan’s bestselling book, Toxic…Heal Your Body from Mold Toxicity, Lyme Disease, Multiple Chemical Sensitivities and Chronic Environmental Illness, is available and has been released as an audiobook.  We also highly suggest the podcast series,  This is a wonderful source for cutting edge medical information. You can find several interviews with Dr. Nathan in that library. Check out Episode 200 with Dr. Nathan discussing his new book, The Sensitive Patient’s Healing Guide, which is now available. 

If you would like to discuss the possibility of scheduling a phone consultation, please let us know.  To adequately address your medical questions and concerns, we suggest 60 minutes for the initial consultation.  

Cost of a phone consultation:    $500 for the initial 60 minute consultation and we can schedule follow up appointments at $375 for 45 minutes and $250 for 30 minutes.

We hope this is helpful. If you have any other questions, please don’t hesitate to ask. You can reach us for more information at:


It is important for all those who are interested in a consultation appointment with me to know that medico-legally I cannot diagnose or treat anyone unless we have a face-to-face, in person office visit which will include a complete history and physical examination. I cannot prescribe any medications or supplements unless you are an established patient. The consultations offered here are intended for educational and informational purposes only. Many of the illnesses and symptoms with which my patients struggle are highly controversial; information provided in these consultations represent only my most current clinical experience and knowledge.

What I can do is to review your current medical experiences, symptoms, laboratory results and treatments and suggest areas that may not have been adequately explored or investigated completely, but know that a specific diagnosis or treatment cannot be provided. Always seek the advice of your physician before making any treatment decisions.

This website is dedicated to individuals who connect with each other through The views and opinions expressed by those individuals are entirely their own. Neil Nathan, M.D. assumes no responsibility whatsoever for the content of any such views or opinions or for any information provided by any such individual. By accessing or utilizing, in any way, any user thereof releases Neil Nathan, M.D. and his principals, agents and assigns from and against any and all liability of any kind whatsoever and indemnifies Neil Nathan, M.D. against any and all claims of any kind whatsoever.

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