4.3
6 Ratings with 2 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Richard J. Barth, MD | Dr. Marissa Ann Mendez | Dr. Maria Franciska Bates | Dr. Sophie Charlotte Griswold |
| Oncology | Surgery | Surgery | Anesthesiology |
| Accepts New Patients | Accepts New Patients | ||
| 41 Years of Experience | 11 Years of Experience | 16 Years of Experience | 18 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Lebanon , NH | Lebanon , NH | Lebanon , NH | Lebanon , NH |
| Med School: Harvard Medical School Boston MA | Med School: The Robert Larner Md College Of Medicine At The University Of Vermont | Med School: Semmelweis University Faculty Of Medicine | Med School: Johns Hopkins University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Richard J. Barth holds an expired medical license in the state of New Hampshire.
Medical Doctor with an expired medical license in the state of New Hampshire that expired in 2026.
Completed their fellowship at National Cancer Institute National Institutes of Health Bethesda MD in 1990.
Completed their residency at New England Deaconess Hospital Boston MA in 1992 and New England Deaconess Hospital Boston MA in 1988.
Graduated from Harvard Medical School Boston MA in 1985.
Richard J. Barth's NPI number is 1700974672.










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.