Clinicians affiliated with Santa Maria Gastroenterology Medical Group Inc.
22 clinicians on file with this group · most practice in Santa Maria-Santa Barbara, CA · PAC ID 6709070964
21 clinicians affiliated with Santa Maria Gastroenterology Medical Group Inc. are in the 2024 Medicare Part B data, 12 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 · Certified Registered Nurse Anesthetist (CRNA) (9) · Gastroenterology (7) · Pathology (4) · Internal Medicine (1)
Specialty links go to the specialty in Santa Maria-Santa Barbara, CA.
Clinicians affiliated with Santa Maria Gastroenterology Medical Group Inc., 2024
Alphabetical by last name; 21.
| Name | Specialty | City |
|---|---|---|
| Paramjit S Benipal, MD | Gastroenterology | Santa Maria, CA |
| Ann C Cairns, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Lake Arrowhead, CA |
| Romel Castro | Certified Registered Nurse Anesthetist (CRNA) | Stockton, CA |
| Brooke A Delkeskamp, APRN | Certified Registered Nurse Anesthetist (CRNA) | Santa Maria, CA |
| Robert Evans, MD | Gastroenterology | Santa Maria, CA |
| Kevin L Ferguson, M.D. | Pathology | Santa Maria, CA |
| Kali Freeman, MD | Pathology | Santa Maria, CA |
| Vijay George, M.D. | Pathology | Santa Maria, CA |
| Thomas P Hsia, MD | Gastroenterology | Santa Maria, CA |
| Barbara S Kamps, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Farmington, NM |
| Carla Kelley, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Marysville, CA |
| James M Lindsey, M.D. | Pathology | Santa Maria, CA |
| Rachel Metzger | Certified Registered Nurse Anesthetist (CRNA) | Santa Maria, CA |
| Igor J Nastaskin, MD | Gastroenterology | Santa Maria, CA |
| Jill E Renfro, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Santa Maria, CA |
| Keval D Shah, D.O. | Gastroenterology | Oxnard, CA |
| Andreina K Stevenson, CRNA, DNAP | Certified Registered Nurse Anesthetist (CRNA) | Arroyo Grande, CA |
| James R Sundet, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Marysville, CA |
| Atul B Vachhani, MD | Gastroenterology | Santa Maria, CA |
| Omar Viramontes, MD | Internal Medicine | Santa Maria, CA |
| Sukhpreet S Walia, M.D. | Gastroenterology | Oxnard, CA |
Practice locations
Listed practice locations in California.
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