4.9
8 Ratings with 3 written Reviews
Summary
Dr. Gregory Mccarthy is a gastroenterologist with additional expertise in internal medicine and geriatric medicine. He earned his medical degree from Universidad Autonoma De Guadalajara Facultad De Medicina and completed his residency at Dartmouth Hitchcock Medical Center. With 46 years of medical experience, Dr. Mccarthy brings extensive knowledge to his practice. He speaks both English and Spanish.
Dr. Mccarthy is affiliated with several respected hospitals including Concord Hospital Laconia, Saint Joseph Hospital, Huggins Hospital, and Mayo Clinic Health System, with practice locations in New Hampshire, Wisconsin, and Colorado. His clinical focus includes treating colon polyps and diverticular conditions. He performs various procedures including sedation services and specialized testing. Patients rate Dr. Mccarthy 4.9 out of 5 stars for his care.
Dr. Mccarthy is affiliated with several respected hospitals including Concord Hospital Laconia, Saint Joseph Hospital, Huggins Hospital, and Mayo Clinic Health System, with practice locations in New Hampshire, Wisconsin, and Colorado. His clinical focus includes treating colon polyps and diverticular conditions. He performs various procedures including sedation services and specialized testing. Patients rate Dr. Mccarthy 4.9 out of 5 stars for his care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 46 years of experience
- speaks English, Spanish
- Dartmouth Hitchcock Medical Center
- 3 written reviews
- 3 specialties
- 12 areas of expertise
- 3 board certifications
- 6 hospital affiliations
- 7 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Gregory Matthew Mccarthy has 7 locationsSaint Joseph Hospital Gastroenterology
168 Kinsley St Ste 10Nashua, NH 03060 Tel: (603) 578-9363
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
Compare with Similar Doctors
 |  |  |  |
| Dr. Gregory Matthew Mccarthy, MD | Chimdi Mfebe, APRN | Dr. John Mark Riddell, MD | Dr. Brittany Nicole Carter |
| Gastroenterology | Gastroenterology | Anesthesiology | Internal Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 46 Years of Experience | 27 Years of Experience | 13 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | ||
| Laconia , NH | Little Rock , AR | Concord , NH | Concord , NH |
| Med School: Universidad Autonoma De Guadalajara Facultad De Medicina | Med School: Chamberlain University College of Nursing | Med School: Medical College Of Wisconsin | Med School: University Of The West Indies Barbados Faculty Of Medical Sciences |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Gregory Matthew Mccarthy
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Gregory Matthew Mccarthy has the following 3 specialties
Specialty Expertise
Dr. Gregory Matthew Mccarthy has the following 12 areas of expertise
Certifications, License, & Education
46 Years Experience
Dr. Gregory Matthew Mccarthy holds an expired medical license in the states of Wisconsin and New Hampshire.
Medical License
Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025 and an expired medical license in the state of New Hampshire that expired in 2026.
Education & Training
Residency
Completed their residency at Dartmouth Hitchcock Medical Center.
Medical School
Graduated from Universidad Autonoma De Guadalajara Facultad De Medicina in 1980.
NPI Number
Dr. Mccarthy's NPI number is 1942393525.
Similar doctors
Frequently Asked Questions
- Does Dr. Gregory Mccarthy accept virtual/telehealth appointments?
- Dr. Gregory Mccarthy has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Gregory Mccarthy's office located?
- Dr. Gregory Mccarthy's office is located at 80 Highland St, Laconia, NH, 03246.
- Which hospitals is Dr. Gregory Mccarthy affiliated with?
- Dr. Gregory Mccarthy is affiliated with Concord Hospital Laconia, Saint Joseph Hospital, Huggins Hospital, Mayo Clinic Health System, Unitypoint Health Saint Lukes Downtown, and Saint Lukes Regional Medical Center.
- Does Dr. Gregory Mccarthy accept my insurance?
- You can see the insurance plans that Dr. Gregory Mccarthy accepts on their Vitals profile.
- Is Dr. Gregory Mccarthy accepting new patients?
- Dr. Gregory Mccarthy is accepting new patients on Vitals. View Dr. Gregory Mccarthy's profile on Vitals to make an appointment.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
