About Us

Our Focus

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At the Center for Natural Healing, we treat people, not diseases. We believe that the body has an innate ability to heal itself if given proper support and nutrients. We work with our patients to remedy the causes, not just the outward signs, of their illnesses.

Our focus is to provide holistic integrative healthcare, taking into consideration your mental, emotional, physical and spiritual well-being.

Since each patient’s treatment is different, our treatment is highly individualized. The specific treatment prescribed for you will be determined by your current state of health-mental, emotional, and physical- and the specific health concerns you may be experiencing.

We specialize in the following treatment modalities:

  • Classical Homeopathic Medicine
  • Botanical Medicine
  • Clinical Nutrition
  • Craniosacral Therapy
  • Colon Hydrotherapy & Detoxification
  • Acupuncture
  • Chinese Medicine

Dr. Frenzel focuses his practice on the following:

  • Chronic, systemic disease and conditions - all types of arthritis, chronic fatigue syndrome, and others
  • Mental health - mood disorders, adult and adolescent ADHD/ADD, and sleep disorders, cognitive disturbance and memory problems
  • Type II Diabetes - NIDDM
  • Cancer and complementary therapy for cancer patients
  • Cardiovascular disease, atherosclerosis, HTN
  • Hormone imbalance
  • Anti-aging - wellness, •Digestive problems
  • Weight management programs

As naturopaths we avoid the use of drugs and procedures that interrupt normal function and have unintended negative (side) effects. We use nontoxic therapies based on physiologic principles to treat the whole individual, not just the disease or condition.

**New Patients** Please fill out the new patient profile form and bring it with you to your appointment. .

Our Staff

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Dr. Andrea Sullivan
In 1986, Dr. Andrea D. Sullivan received her doctorate of Naturopathic Medicine (ND) from the four-year program at Bastyr University in Seattle, Washington. The program included all the basic, clinical, and preceptor experiences. In addition, Dr. Sullivan took advanced courses in homeopathic medicine in both the United States and Europe. She is a diplomat for the Homeopathic Academy of Naturopathic Physicians (DHANP), and continues to study with homeopathic teachers from Bombay, India.

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Dr. Sergei Frenzel, ND, MD
Dr. Sergei Frenzel, ND, MD, is a licensed naturopathic physician in the State of Connecticut and is a graduate of the Bridgeport University College of Naturopathic Medicine, Bridgeport, Connecticut (one of the only four accredited naturopathic medical schools in the country). He also holds a Masters degree from the Institute of Human Individuality, Wilton, Connecticut, and completed internship training under a licensed naturopathic physician (ND) in Connecticut and a licensed board certified family practitioner osteopathic physician (DO, MD), in New York, New York.

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Latest News

Dr. Sullivan appears on the Barbara Harrison show
March 28, 2011
Spring is also a good time to clean your body with a detox diet as explained by naturopath Dr. Andrea Sullivan.

Huffington Post Article
What About Naturopathic Medicine?
Read Dr. Sullivan article on the Huffington Post describing Natropathic Medicine.