Summary

Dr. Thomas McMahon is a gastroenterologist with 46 years of experience helping patients with digestive health concerns. He earned his medical degree from Georgetown University School of Medicine and completed his residency training at Wake Forest Baptist Medical Center. Dr. McMahon speaks both English and Spanish, allowing him to serve a diverse patient population.

Dr. McMahon practices at multiple locations including Southern New Hampshire Medical Center in Nashua, New Hampshire, and Bristol Regional Medical Center in Bristol, Tennessee. He specializes in treating conditions such as rectal bleeding, lower gastrointestinal bleeding, and various rectal problems. His expertise includes performing advanced imaging procedures like MR enterograms and MRI scans to diagnose digestive disorders. Patients have given him an average rating of 4.6 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • 4.6
  • 46 years of experience
  • speaks English, Spanish
  • Wake Forest Baptist Medical Center
  • 4 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 4 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Thomas Patrick Mcmahon has 2 locations

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Dr. Thomas Patrick Mcmahon, MDChimdi Mfebe, APRNJacqueline Anne DanisDr. Jassir Witta, MD
GastroenterologyGastroenterologyNurse PractitionerGastroenterology
Accepts New Patients Accepts New Patients
4.6 
46 Years of Experience 33 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English, Spanish Speaks Arabic, Chinese, English, Spanish
Nashua , NHLittle Rock , ARBurlington , MANashua , NH
Med School: Georgetown University School Of Medicine Med School: Chamberlain University College of Nursing Med School: 1 Lekarska Fakulta Univerzity Karlovy
Current Profile
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Insurance Plans Accepted by Dr. Thomas Patrick Mcmahon

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Thomas Patrick Mcmahon has the following specialty

Specialty Expertise

Dr. Thomas Patrick Mcmahon has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

46 Years Experience

Dr. Thomas Patrick Mcmahon holds an expired medical license in the states of Minnesota and Tennessee.

Medical License

Medical Doctor with an expired medical license in the state of Minnesota that expired in 2026 and an expired medical license in the state of Tennessee that expired in 2026.

Education & Training

Residency

Completed their residency at Wake Forest Baptist Medical Center.

Medical School

Graduated from Georgetown University School Of Medicine in 1980.

NPI Number

Dr. Mcmahon's NPI number is 1619048030.

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Frequently Asked Questions

Is Dr. Thomas Mcmahon accepting new patients?
Dr. Thomas Mcmahon has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Thomas Mcmahon accept my insurance?
You can see the insurance plans that Dr. Thomas Mcmahon accepts on their Vitals profile.
How can I make an appointment with Dr. Thomas Mcmahon?
You can find contact information for Dr. Thomas Mcmahon here on Vitals.
What languages does Dr. Thomas Mcmahon speak?
Dr. Thomas Mcmahon speaks English and Spanish.
Where is Dr. Thomas Mcmahon's office located?
Dr. Thomas Mcmahon's office is located at 8 Prospect St, Nashua, NH, 03060.

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