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Our Team

Greenhouse Natural Medicine is accepting new patients!

Established in 2007, Greenhouse Natural Medicine provides integrative holistic approach with both routine and complex chronic illness. Dr. Julia Greenspan and Dr. Miriam Mendelsohn are board certified naturopathic doctors. We look forward to working with you and are here to help.

We specialize in Lyme disease/Tick-borne Infections, Mold Biotoxin Illness, Heavy Metal Toxicity, Pediatric Autoimmune Neuropsychiatric Disorder Associated with Strep (PANDAS)/Pediatric Acute-Onset Neuropsychiatric Syndrome (PANS), Chronic Fatigue, Digestive Disorders, Allergies/Sensitivities, Hormone Imbalance, and many other chronic conditions reducing quality of life. We also treat routine conditions commonly addressed in General Family Practice.

Work with us to connect the pieces

What people are saying about us

Brian G.
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Dr Greenspan knows Lyme! No messing around, gets right to the point and addresses the issues. With her knowledge of Lyme, it’s just a matter of time until I’m 100%. I am so grateful to have her expertise. Thank you.
Jill KuncikDerry, NH
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I have been coming to Dr. Greenspan for 5 years now and am continuously impressed with her expertise, compassion and abilities to “think outside the box” when no other medical provider could. Dr. Greenspan has not only been able to treat my Lyme and co-Infections but other medical issues that were dismissed by other doctors. She has helped me get back on track with my health and believed in me when no one else did! I can’t say enough about Dr. Greenspan and her staff, they are amazing!
Amanda Kane
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I had been seeking answers for 10 plus years regarding my symptoms, which were all Lyme related. I was diagnosed in 2015 and referred to Dr. Greenspan. She was AMAZING! For years my symptoms were “shrugged off” by multiple practitioners. Her appointments are not the usual 15-20 min PCP visit. She listens to everything I have to say, is empathetic & refers out to fellow practitioners as appropriate. She is caring, non-judgmental & quite educated on the best of treatment for Lyme & co-infections. Her office staff and medical staff are caring and, also empathetic. Because of her care I am able to work full-time & leads a normal life.
Joy Devins
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When other doctors had failed to diagnose and treat me, she dared to "go there" and test for Lyme. Then she dared to care for me and I love her for it! In my book, Lyme Whisperer, she is the first person I thank and acknowledge. I call her "the most intuitive person I know" and thank her for her courage, determination and spunk. It takes a special person to outsmart a spirochete and a special doctor to dare enough to do it.
Plaistow, NH
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I have been a patient of Dr. Greenspan for just over a year. In that time I believe she has given me my life back. When I first came here I was sicker than I ever could have imagined. Lyme was taking so much from me and she listened with compassion and treated me with her knowledge of this disease in a way that I felt comfortable with and within a short time I was able to function again. I am so thankful. Coming here was the best decision I could have made.
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