Gastroenterology Fellows
PGY-6
Mauricio “Wes” Jones, D.O.
Residency: Baylor Scott & White - Internal Medicine
Dustin Lehnert, D.O.
Residency: Arkansas COM / Mercy Program – Internal Medicine
Reagan Livingston, D.O.
Residency: OSU Internal Medicine
PGY-5
Willie Gilbert, D.O.
Residency: Northside Gwinnett Internal Medicine Hobbies & Interests: *mentorship *volunteering with Upward Bound- children who come from broken homes in Oklahoma City *collect military coins *gym whenever possible *traveling to other countries and within the states *medical mission trips when possible
Blace Haviland, D.O.
Residency: Kettering Health Dayton/Grandview Medical Center Hobbies & Interests: Playing golf, pickleball, flag football, basketball, softball, sand volleyball - Listening to educational (history, medicine) and non-educational (sports) podcasts - Attending professional sporting events - Learning new things (guitar, languages, etc) - Trivia - Playing board and video games
M. Kate Riley, D.O.
Residency: OSU Internal Medicine Hobbies & Interests: I enjoy working out, running, cycling, and yoga. The lake is one of my favorite places where I am able to paddle board and fish. I am a self-proclaimed “foodie” and coffee fanatic. Spending time with family, friends, and my dogs is very important to me.
PGY-4
Andrew Harris, D.O.
Residency at OSU Internal Medicine. My hometown is North Ogden, Utah. My hobbies include snowboarding, wakeboarding, soccer, watching UFC fights with friends and going on adventures outdoors with my wife, our daughter and our French bulldog.
William Nowlin, DO
Residency at OU Internal Medicine- Tulsa. My hometown is Tulsa, OK. My hobbies include fly/bass fishing, hiking, spending time at the lake, watching and attending college football games, golfing, trying new restaurants, pickleball, exercising, traveling and spending time with family and friends.
Natalie Turner, D.O.
Residency at OSU Internal Medicine. My hometown is Forrest City, AR. My hobbies include reading, online shopping, podcasts, traveling, binge watching tv shows, and hanging out with my friends, family and my dog, River.
Alumni
2025-2026
- Collin Beckstrom, D.O. – Rocky Mountain Gastro Centennial – Centennial, CO
- Fernando Magana Herrera, D.O. – Mansfield Medical Group – Mansfield, TX
- Dipa Puwar, D.O. – Gastroenterology Specialists, Inc – Tulsa, OK
2024-2025
- Mohamad “Shafiq” Al-Rifai, D.O. - St. Francis/ Warren Clinic - Tulsa, OK
- Tyler Cobbs, D.O. – Advanced Endoscopic Fellowship, Banner – University Medical Center Phoenix, AZ
- David Meehan, D.O. – GSI - Tulsa, OK
2023-2024
- Chirag Patel, D.O. – TriHealth- Cincinnati, OH
- Michael Warren, D.O. – St. Francis/ Warren Clinic - Tulsa, OK
2022-2023
- Robert Aran, D.O. – St. Francis/ Warren Clinic - Tulsa, OK
Trace Heavener, D.O. – Kootenai Health- Coeur d’Alene, ID
2021-2022
- Daniel Eshaghian, D.O. – Dignity Health - Northridge, CA
- Larry Johnston, D.O. – McFarland Clinic- Ames, Iowa