Dr. Thomas R. Defanti
Last updated: Oct 13, 2025

Dr. Thomas R. Defanti

  • Gender: Male
  • Sole propriator: No
  • NPI: 1043239783

Dr. Thomas R. Defanti MD

Addiction Medicine Specialist

He is located at 75 Swantown Hl in North Stonington, CT 06359. Can help patients with the following: Anxiety, Autism, Chronic Obstructive Pulmonary Disease (COPD), Mold Exposure, Prenatal Care, Thyroid Disease. His National Provider Identifier (NPI) number is 1043239783. Appointment can be made via the phone number (860) 535-1010.

Conditions treated

Dr. Thomas R. Defanti, being an addiction medicine specialist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Thomas R. Defanti.

  • Abdominal Pain
  • Aging In Place
  • Anxiety
  • Arthritis
  • Asthma
  • Autism
  • Birth Control Counseling
  • Breastfeeding and Lactation
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Diabetes
  • Fever
  • General Care
  • Headache
  • Heart Disease
  • High Blood Pressure
  • Hyperlipidemia
  • Hypothyroidism
  • Infant Care
  • Influenza
  • Migraine
  • Mold Exposure
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Pregnancy
  • Prenatal Care
  • Prescription Refill
  • Thyroid Disease
  • Women's Health

Medicare Enrollment

Dr. Thomas R. Defanti is enrolled to bill Medicare as a Practitioner - Addiction Medicine .

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

Purdue Pharma $45

Other

Food and Beverage $46

Additional Specialities

  • Family Physician

Sanctions

Date Description Board
02/20/2018 CONSENT AGREEMENT Board of Licensure in Medicine
12/18/2013 CONSENT AGREEMENT Board of Licensure in Medicine
02/13/2007 ACTION TAKEN Board of Licensure in Medicine
10/10/2006 ACTION TAKEN Board of Licensure in Medicine
03/13/2001 CONSENT AGREEMENT Board of Licensure in Medicine
11/27/2000 CONSENT AGREEMENT Board of Licensure in Medicine
10/11/2000 CONSENT AGREEMENT Board of Licensure in Medicine

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Dr. Azimuddin Kazi
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Dr. Ayaz T. Madraswalla
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Dr. Karen S. Guadagnini
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Dr. David L. Simon
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Questions & Answers

What conditions does Dr. Thomas R. Defanti treat?

Dr. Thomas R. Defanti provides treatment for Anxiety, Autism, Chronic Obstructive Pulmonary Disease (COPD), Mold Exposure, Prenatal Care, Thyroid Disease. For the full list see this list.

Does Dr. Thomas R. Defanti accept insurance?

Unfortunately we don't have any information if Dr. Thomas R. Defanti accepts insurance.

Where can you meet with Dr. Thomas R. Defanti?

Dr. Thomas R. Defanti's office is located at 75 Swantown Hl in North Stonington, CT 06359.