Clinicians affiliated with Collins Carson City Gastroenterology, Ltd
12 clinicians on file with this group · most practice in Carson City, NV · PAC ID 8022474329
12 clinicians affiliated with Collins Carson City Gastroenterology, Ltd are in the 2024 Medicare Part B data, 7 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 (5) · Nurse Practitioner (3) · Physician Assistant (2) · Internal Medicine (1) · Pathology (1)
Specialty links go to the specialty in Carson City, NV.
Clinicians affiliated with Collins Carson City Gastroenterology, Ltd, 2024
Alphabetical by last name; 12.
| Name | Specialty | City |
|---|---|---|
| Peter Airel, M.D. | Gastroenterology | Las Vegas, NV |
| Jason M Collins, M.D. | Gastroenterology | Carson City, NV |
| Jason J Kattenhorn | Nurse Practitioner | Carson City, NV |
| Rolando J Leal, M.D. | Gastroenterology | Germantown, TN |
| Leslie H Massey, D.O. | Gastroenterology | Carson City, NV |
| Kimbrelle A Pascua, APRN | Nurse Practitioner | Carson City, NV |
| Glen L Portwood, M.D. | Internal Medicine | Charlotte, NC |
| Theresa N Rolniak, APRN | Nurse Practitioner | Carson City, NV |
| Ana I Turner, PA-C | Physician Assistant | San Antonio, TX |
| Phillip C Usera, MD | Pathology | Reno, NV |
| Melissa Veil, PA-C | Physician Assistant | Reno, NV |
| Travis L Vickers, D.O. | Gastroenterology | Las Vegas, NV |
Practice locations
Listed practice locations in Nevada.
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