Summary

Dr. Jonathan Williamson is a gastroenterologist and internal medicine physician with two decades of clinical experience. He earned his medical degree from Wake Forest School of Medicine and has dedicated his career to diagnosing and treating digestive system disorders. Dr. Williamson is fluent in both English and Spanish, enabling him to serve a diverse patient population throughout Connecticut.

Dr. Williamson practices at several locations including Hartford, Farmington, New Britain, and Bloomfield, Connecticut, with affiliations at Day Kimball Hospital, New Britain General Campus, UConn John Dempsey Hospital, and Hartford Hospital. He specializes in treating conditions such as colon polyps, hemorrhoids, and diverticular disease. His expertise includes performing colonoscopies and upper and lower gastrointestinal endoscopy procedures to help diagnose and monitor digestive health issues.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 1
  • 20 years of experience
  • speaks English, Spanish
  • Wake Forest School Of Medicine
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 6 office locations
  • Male

Office Locations

Dr. Jonathan Blair Williamson has 6 locations

Connecticut Gi Pc

85 Seymour St Ste 1000Hartford, CT 06106
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Connecticut Gi Pc

21 South Rd Ste 100Farmington, CT 06032
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Hartford Hospital

80 Seymour StHartford, CT 06102

Hartford Healthcare Digestive Health Center

10 Jolley Dr Ste 102Bloomfield, CT 06002
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

New Britain General Campus

100 Grand StNew Britain, CT 06052

Hartford Hospital

80 Seymour StHartford, CT 06106

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Dr. Jonathan Blair Williamson, MDJi Soo Choi, APRNJuliana ManteyHannah Alina Dehertogh
GastroenterologyGastroenterologyNurse PractitionerNurse Practitioner
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
20 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English
Hartford , CTSACRAMENTO , CAWaterbury , CTWest Hartford , CT
Med School: Wake Forest School Of Medicine Med School: New York University
Current Profile
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Insurance Plans Accepted by Dr. Jonathan Blair Williamson

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Jonathan Blair Williamson has the following 2 specialties

Specialty Expertise

Dr. Jonathan Blair Williamson has the following 9 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

20 Years Experience

Dr. Jonathan Blair Williamson holds an expired medical license in the state of Connecticut.

Medical License

Medical Doctor with an expired medical license in the state of Connecticut that expired in 2026.

Education & Training

Medical School

Graduated from Wake Forest School Of Medicine in 2007 and Jefferson Medical College Of Thomas Jefferson University in 2006.

NPI Number

Dr. Williamson's NPI number is 1881891703.

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Frequently Asked Questions

What languages does Dr. Jonathan Williamson speak?
Dr. Jonathan Williamson speaks English and Spanish.
Does Dr. Jonathan Williamson accept virtual/telehealth appointments?
Dr. Jonathan Williamson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Jonathan Williamson's office located?
Dr. Jonathan Williamson's office is located at 85 Seymour St Ste 1000, Hartford, CT, 06106.
Which hospitals is Dr. Jonathan Williamson affiliated with?
Dr. Jonathan Williamson is affiliated with Day Kimball Hospital, New Britain General Campus, Uconn John Dempsey Hospital, and Hartford Hospital.
Does Dr. Jonathan Williamson accept my insurance?
You can see the insurance plans that Dr. Jonathan Williamson accepts on their Vitals profile.

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