Dr. John O. Thayer
- Gender: Male
- Experience: 44 years
- Graduated from: Warren Alpert Medical School Of Brown University
- Graduation year: 1977
- Sole propriator: No
- NPI: 1942293956
Dr. John O. Thayer JR. MD
Cardiothoracic Surgeon
He is located at 1000 Asylum Avenue Ste 3201A in Hartford, CT 06105. Can help patients with the following: Achalasia, Appendicitis, Colon Cancer, Sebaceous Cyst, Ulcerative Colitis, Ventricular Septal Defect (VSD). His National Provider Identifier (NPI) number is 1942293956. Appointment can be made via the phone number (860) 714-1094. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. John O. Thayer, being an cardiothoracic surgeon, 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. John O. Thayer.
- Achalasia
- Anal Fissure
- Aortic Dissection
- Aortic Stenosis
- Appendicitis
- Boils
- Cancer
- Collapsed Lung
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Thoracic Outlet Syndrome (TOS)
- Ulcerative Colitis
- Ventricular Septal Defect (VSD)
Procedures Performed by Dr. John O. Thayer
Medicare Enrollment
Dr. John O. Thayer is enrolled to bill Medicare as a Practitioner - Thoracic Surgery (also registered under: Practitioner - Cardiac Surgery) .
Bills through: Trinity Health Of New England Provider Network Organization Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Edwards Lifesciences | $2791 |
| Cryolife | $161 |
| St. Jude Medical | $139 |
Other
| Travel and Lodging | $2425 |
| Food and Beverage | $1324 |
Studies
WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated in 1977Additional Specialities
- Surgeon
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Questions & Answers
Has Dr. John O. Thayer affiliation with hospitals?
Dr. John O. Thayer is affiliated with ST FRANCIS HOSPITAL & MEDICAL CENTER.
What conditions does Dr. John O. Thayer treat?
Dr. John O. Thayer provides treatment for Achalasia, Appendicitis, Colon Cancer, Sebaceous Cyst, Ulcerative Colitis, Ventricular Septal Defect (VSD). For the full list see this list.
Does Dr. John O. Thayer have affiliation with practices?
Dr. John O. Thayer is affiliated with Cardiothoracic Surgery.
Where can you meet with Dr. John O. Thayer?
Dr. John O. Thayer's office is located at 1000 Asylum Avenue Ste 3201A in Hartford, CT 06105.