Clinicians affiliated with Adult Gastroenterology Associates Inc
15 clinicians on file with this group · most practice in Tulsa, OK · PAC ID 0840223921
14 clinicians affiliated with Adult Gastroenterology Associates Inc are in the 2024 Medicare Part B data, 9 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 (7) · Nurse Practitioner (3) · Internal Medicine (2) · Physician Assistant (2)
Specialty links go to the specialty in Tulsa, OK.
Clinicians affiliated with Adult Gastroenterology Associates Inc, 2024
Alphabetical by last name; 14.
| Name | Specialty | City |
|---|---|---|
| Morgan M Bird, APRN-CNP | Nurse Practitioner | Tulsa, OK |
| Matt M Blankenship, M.D. | Gastroenterology | Tulsa, OK |
| Jeffery J Blonsky, M.D. | Gastroenterology | Tulsa, OK |
| Christian D Clark, MD | Gastroenterology | Tulsa, OK |
| Brandon A Conkling, D.O. | Internal Medicine | Tulsa, OK |
| Matthew Hillis, APRN | Nurse Practitioner | Guthrie, OK |
| Douglas B Kliewer, M. D. | Internal Medicine | Tulsa, OK |
| Kevin M Mcnamara, MD | Gastroenterology | Tulsa, OK |
| Markham L Nightengale, M. D. | Gastroenterology | Tulsa, OK |
| Aatish M Patel, M.D. | Gastroenterology | Tulsa, OK |
| Kristen Spencer | Physician Assistant | Louisville, KY |
| Patrick R Volak, M. D. | Gastroenterology | Tulsa, OK |
| Britney Welch, PA | Physician Assistant | Tulsa, OK |
| Candy S Williams, APRN, CNP | Nurse Practitioner | Tulsa, OK |
Practice locations
Listed practice locations in Oklahoma.
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