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The TMS Collaborative
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The TMS Collaborative

9 Hampton Rd Unit 2, Exeter, NH 03833, United States, 3833 Exeter, NH
4.70

About this clinic

The TMS Collaborative, a neuromodulation clinic in Exeter, New Hampshire, specializes in treatment-resistant depression and related mood disorders using transcranial magnetic stimulation and ketamine-assisted protocols. Transcranial Magnetic Stimulation (TMS) is a noninvasive brain-stimulation modality that may help reduce depressive symptoms in patients who have not responded adequately to conventional antidepressant medication. The clinic also offers Spravato, an intranasal ketamine formulation approved for treatment-resistant depression, alongside ketamine therapy as part of a structured clinical protocol. Treatment selection is individualized following an initial psychiatric evaluation. The practice positions itself as an alternative pa

Treatments offered

Transcranial Magnetic Stimulation (TMS)

Strong evidence

Ketamine Therapy

Strong evidence

Contact information

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9 Hampton Rd Unit 2, Exeter, NH 03833, United States
3833 Exeter, NH
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Office hours

Wednesday (New Year's Eve) 8 AM–5 PM, Hours might differ
Thursday (New Year's Day) 8 AM–5 PM, Hours might differ
Friday 8 AM–5 PM
Saturday Closed
Sunday Closed
Monday 8 AM–5 PM
Tuesday 8 AM–5 PM

Accreditations

Board Certified

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Patient reviews

4.70

Based on 62 Google reviews

5 ★
4 ★
3 ★
2 ★
1 ★

I’ve been a grateful patient of Dr. B’s for nearly 20 years for medication management of major depression, anxiety, and ADHD. He is consistently calming, attentive, open, and responsive. I have complete trust in his clinical judgment, and his entire team is both supportive and highly professional. TMS has been a true game changer for me. While it is not a cure, it is the most effective treatment I’ve experienced—allowing me to engage with life in an entirely new way, free from the persistent emptiness, overwhelm, emotional numbness, and chronic fatigue that once dominated my days. Life now feels brighter, lighter, and more spontaneously joyful, as if my senses are fully engaged without constant effort. To call this experience a miracle is not an exaggeration - I highly recommend Dr. Belliveau.

Karen Kenney · January 27th, 2026

Dr. Belliveau and his team are all amazing. I’ve been a patient of Dr. B’s for nearly 20 years. They are always there when I need them, and trying out the ketamine treatments has been life changing in a good way!

Michelle Chetwynd · December 29th, 2025

Allysha is so friendly and kind. I had a difficult episode this past week and she stayed by my side till I was doing better. She's amazing.

Theresa “Terry” Thibodeau · December 29th, 2025

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