Clinicians affiliated with Austin Gastroenterology Anesthesia Associates PLLC

22 clinicians on file with this group · most practice in Austin-Round Rock-San Marcos, TX · PAC ID 6305138603

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

21 clinicians affiliated with Austin Gastroenterology Anesthesia Associates PLLC are in the 2024 Medicare Part B data, 2 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) (19) · Anesthesiology (2)

Specialty links go to the specialty in Austin-Round Rock-San Marcos, TX.

Clinicians affiliated with Austin Gastroenterology Anesthesia Associates PLLC, 2024

Alphabetical by last name; 21.

NameSpecialtyCity
Tanja E Abercrombie, CRNACertified Registered Nurse Anesthetist (CRNA)Austin, TX
Carrie R Bryan, CRNACertified Registered Nurse Anesthetist (CRNA)Austin, TX
Ricky L Gibson, CRNACertified Registered Nurse Anesthetist (CRNA)Fort Cavazos, TX
Julia D Grove, CRNACertified Registered Nurse Anesthetist (CRNA)Austin, TX
Brent E Heber, CRNACertified Registered Nurse Anesthetist (CRNA)Temple, TX
Christian Lee, M.D.AnesthesiologyVancouver, WA
Carol O Lucas, CRNACertified Registered Nurse Anesthetist (CRNA)Bastrop, TX
Mark F Mackey, CRNACertified Registered Nurse Anesthetist (CRNA)Ft Cavazos, TX
Mary C Niemeyer, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Linh V Ong, CRNACertified Registered Nurse Anesthetist (CRNA)Austin, TX
Jeffrey F Pal, M.D.AnesthesiologySteamboat Springs, CO
Lillian Resnick, CRNACertified Registered Nurse Anesthetist (CRNA)Fort Cavazos, TX
Orlando Rivera, CRNACertified Registered Nurse Anesthetist (CRNA)Temple, TX
Guilherme M Rocha, CRNACertified Registered Nurse Anesthetist (CRNA)Temple, TX
Kelly B Samford, CRNACertified Registered Nurse Anesthetist (CRNA)Marble Falls, TX
Austin Smith, CRNACertified Registered Nurse Anesthetist (CRNA)Austin, TX
Clark A Sweatt, CRNACertified Registered Nurse Anesthetist (CRNA)Saint Louis, MO
Crystal Uchida, CRNACertified Registered Nurse Anesthetist (CRNA)Austin, TX
Michael J Wellman, CRNACertified Registered Nurse Anesthetist (CRNA)Austin, TX
Dwight C Williams, CRNACertified Registered Nurse Anesthetist (CRNA)Lampasas, TX
Diana P Wilson, CRNACertified Registered Nurse Anesthetist (CRNA)Rochester, MN

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