Clinicians affiliated with Houston Regional Gastroenterology Institute PLLC
40 clinicians on file with this group · most practice in Houston-Pasadena-The Woodlands, TX · PAC ID 9436417672
30 clinicians affiliated with Houston Regional Gastroenterology Institute PLLC are in the 2024 Medicare Part B data, 23 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 (22) · Nurse Practitioner (5) · Physician Assistant (2) · Internal Medicine (1)
Specialty links go to the specialty in Houston-Pasadena-The Woodlands, TX.
Clinicians affiliated with Houston Regional Gastroenterology Institute PLLC, 2024
Alphabetical by last name; 30.
| Name | Specialty | City |
|---|---|---|
| Shaadi J Abughazaleh | Gastroenterology | Houston, TX |
| Babatunde O Adeyefa, M.D. | Gastroenterology | Cypress, TX |
| Nancy Aguilera | Nurse Practitioner | Houston, TX |
| Agnes Asamah, FNP-C | Nurse Practitioner | Angleton, TX |
| Vanitha Bala, M.D. | Gastroenterology | Shenandoah, TX |
| Ryan R Barrientos, MD | Gastroenterology | Houston, TX |
| Abraham Chacko, D.O. | Gastroenterology | Katy, TX |
| Concepcion Delos Reyes | Nurse Practitioner | Plano, TX |
| John T Dugan, MD | Gastroenterology | Houston, TX |
| Adeeb J Dwairy, MD | Gastroenterology | Sugar Land, TX |
| Georg Elias, M.D | Gastroenterology | Kingwood, TX |
| Sushovan Guha, MD, PHD | Gastroenterology | Houston, TX |
| Howard Hamat, MD | Gastroenterology | Houston, TX |
| Malcolm K Irani, M.D. | Gastroenterology | Houston, TX |
| Amandeep Kaur, DO | Gastroenterology | Katy, TX |
| Christopher Kim, MD | Gastroenterology | Houston, TX |
| Anne K Louangpho, FNP-C | Nurse Practitioner | The Woodlands, TX |
| Kelly Y Lowe, APRN, AGACNP-BC | Gastroenterology | Houston, TX |
| Mohamed Mahmoud, M.D. | Gastroenterology | Worcester, MA |
| Srinivasan R Nathan, M.D, | Gastroenterology | Humble, TX |
| George Nunez, MD | Gastroenterology | Kingwood, TX |
| Rhoda Olatayo | Nurse Practitioner | Houston, TX |
| Ahmed Ouni | Gastroenterology | Gainesville, FL |
| Pragnesh J Patel, MD | Gastroenterology | Sugar Land, TX |
| Gurunath T Reddy, M.D. | Gastroenterology | Houston, TX |
| Rebecca A Rohrs, PA | Physician Assistant | Floresville, TX |
| Gregory L Shannon, M.D. | Internal Medicine | Sugar Land, TX |
| Jacalyn C Siver, P.A.-C | Physician Assistant | Lake Jackson, TX |
| William H Sweatt, M.D. | Gastroenterology | Lake Jackson, TX |
| Radha A Tamerisa, M.D. | Gastroenterology | Katy, TX |
Practice locations
Listed practice locations in Texas.
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