Since 1985

Dr. Tsoi and Dr. Chan

The goal of the doctors, acupuncturists, and support staff at Greenwich Acupuncture Center Inc. is to provide high-quality traditional Chinese medicine services, including acupuncture, cupping, and herbal remedies to men, women, and families living in and around Norwalk and Greenwich, Connecticut and throughout Fairfield County since 1985.

Yvonne Chan, LAc, and Jon Tsoi, LAc, lead the team at Greenwich Acupuncture Center Inc., which opened in 1985. It’s the oldest medical practice in the area and the only establishment that offers herbal medicine with loose herbs and a holistic approach to medicine.

Tsoi is a diplomat and recognized Master in the preparation and customization of herbal formulary teas, which feature a complex combination of seed, herbs, and roots tailored to an individual’s unique patient profile. 

The team at Greenwich Acupuncture Center Inc. only uses medicinal, cleaned herbs, which are processed using time-tested, natural methods of Chinese medicine. Unlike most prescription medications, these herbal blends and tonic formulas are safe for patients of all ages and present no toxicity or uncomfortable side-effects. 

Whenever possible, Tsoi and Chan use traditional Chinese medicine services, including acupuncture, herbal medicine, and cupping to relieve ailments early on, before they turn into more serious health problems. The team also provides treatment for a variety of common health problems, including back pain, neck pain, migraines, stress, frequent urination, tinnitus, asthma, sciatica, carpal tunnel syndrome, Lyme disease, insomnia, and weight loss. 

To improve your quality of life and overall health, partner with the team at Greenwich Acupuncture Center Inc. Call the office nearest you or click the online booking tool and make an appointment today. 

  • Greenwich Office

    Please note each providers office availability below:


    Dr. Tsoi's Office Hours:  

    Tuesday: 11:30 am-6:00 pm

    Thursday: 11:00 am-1:00 pm

    Saturday: 10:00 am-12:30 pm

    Dr. Chan's Office Hours: 

    Monday: 12:00 pm-5:00 pm

    Wednesday: 12:00 pm-5:00 pm

    Friday: 12:00 pm-5:00 pm

    Saturday: 11:00 am- 12:30 pm

    Norwalk Office

    Please note each providers office availability below:


    Dr. Tsoi's Office Hours:  

    Monday: 11:30 am-6:00 pm

    Wednesday: 11:30 am-6:00 pm

    Friday: 11:30 am-6:00 pm 

    Dr. Chan's Office Hours: 

    Tuesday: 12:00 pm-5:00 pm

    Thursday: 12:00 am-5:00 pm

What we offer



Consultation for First Time Patients.




Doctors Tsoi and Chan are licensed professionals, NCCA certified acupuncturists and have been in practice in Connecticut since 1985 with offices in Greenwich and Wilton. They are also members of the AAOM (American Acupuncture & Oriental Medicine). and highly trained with diplomas in Chinese acupuncture & Chinese herbalist medicine, Chinese qi gong, auricular (ear point) therapy, traditional Chinese acupuncture and have an extensive medicinal grade Chinese herbal pharmacy.

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Make Tea With Our Weight Loss Herbs!

Lose Weight Herbs


We accept most major insurances! Please text a photo of the front of your insurance card, diagnosis, and birthday to Dr. Tsoi: 203-249-0115 If you want treatment without verifying insurance first, you have to pay the discount rate.

Blue Cross Blue Shield
United Health Care

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Our Locations

Choose from two locations