Clinicians affiliated with Granite State Gastrointestinal Consultants PLLC
6 clinicians on file with this group · most practice in Boston-Cambridge-Newton, MA-NH · PAC ID 8022093962
6 clinicians affiliated with Granite State Gastrointestinal Consultants PLLC are in the 2024 Medicare Part B data, 6 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Gastroenterology (4) · Pathology (2)
Specialty links go to the specialty in Boston-Cambridge-Newton, MA-NH.
Clinicians affiliated with Granite State Gastrointestinal Consultants PLLC, 2024
Alphabetical by last name; 6.
| Name | Specialty | City |
|---|---|---|
| Laura C Horton, M.D. | Gastroenterology | Londonderry, NH |
| Leon P Mclean, MD | Gastroenterology | Derry, NH |
| Deepshikha Nag Chowdhury, M.D | Gastroenterology | Albuquerque, NM |
| Joshua B Tennenbaum, D.O. | Pathology | Memphis, TN |
| Steven Tsistrakis, M.D | Gastroenterology | Derry, NH |
| Matthew S Turner, M.D. | Pathology | Rochester, NY |
Practice locations
Listed practice locations in New Hampshire.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations