Gastroenterologists in Oklahoma
Data updated monthly · Last refresh October 2026
159 Gastroenterology providers practice in Oklahoma, including 39 (25%) offering telehealth. The largest concentration is in Oklahoma City. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
159providers
39telehealth
Oklahoma Citytop city
Gastroenterology by city in Oklahoma
Choose a city to see providers there.
Gastroenterology providers in Oklahoma
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Trushar Patel, M.D.Oklahoma City, OK · $861 in drug and device payments (2025) ·
(405) 604-6217 Dr. Verapan Vongthavaravat, M.D.Oklahoma City, OK · $494 in drug and device payments (2025) ·
(405) 751-4199 Dr. Vincent Petros, DOOklahoma City, OK · $1,741 in drug and device payments (2025) ·
(405) 271-5428 Dr. William Kakish, M.D.Oklahoma City, OK · $265 in drug and device payments (2025) ·
(405) 749-4247 Dr. William Tierney, MDOklahoma City, OK · $50 in drug and device payments (2025) · Telehealth ·
(405) 271-8478 Dr. Zachary Smith, M.D.Oklahoma City, OK · $1,702 in drug and device payments (2025) · Telehealth ·
(405) 702-1300 Dr. Thomas Swafford, MDStillwater, OK · $196 in drug and device payments (2025) ·
(405) 372-2390 Dr. Aaron Fieker, D.O.Tulsa, OK · $2,108 in drug and device payments (2025) · Telehealth ·
(918) 940-8500 Dr. Aatish Patel, M.D.Tulsa, OK · $1,255 in drug and device payments (2025) · Telehealth ·
(918) 481-4700 Dr. Amer Alkhatib, MDTulsa, OK · No drug or device payments recorded (2025) ·
(918) 286-5000 Dr. Amjad Mreyoud, MDTulsa, OK · $1,078 in drug and device payments (2025) · Telehealth ·
(918) 294-6840 Dr. Andrew Crawford, DOTulsa, OK · $1,184 in drug and device payments (2025) ·
(918) 497-3300 Dr. Arthur Hale, MDTulsa, OK · No drug or device payments recorded (2025) ·
(918) 749-3939 Dr. Barry Eisen, MDTulsa, OK · No drug or device payments recorded (2025) ·
(918) 749-3939 Dr. Bernadette Lamb, MDTulsa, OK · $953 in drug and device payments (2025) · Telehealth ·
(918) 940-8500 Dr. Brandon Conkling, D.O.Tulsa, OK · $1,852 in drug and device payments (2025) ·
(918) 307-5480 Dr. Christian Clark, MDTulsa, OK · $590 in drug and device payments (2025) · Telehealth ·
(918) 481-4700 Dr. Christopher Lynch, M.D.Tulsa, OK · $706 in drug and device payments (2025) · Telehealth ·
(918) 294-6840 Dr. David James, DOTulsa, OK · No drug or device payments recorded (2025) ·
(918) 749-3399 Dr. David Morris, D.O.Tulsa, OK · $1,624 in drug and device payments (2025) ·
(918) 940-8500 Dr. Dipa Puwar, DOTulsa, OK · $1,175 in drug and device payments (2025) ·
(918) 940-8500 Dr. Douglas Kliewer, M. D.Tulsa, OK · $1,716 in drug and device payments (2025) ·
(918) 481-4706 Dr. Dushyant Singh, MD FACP Dr. Febin John, MDTulsa, OK · $751 in drug and device payments (2025) · Telehealth ·
(918) 497-3300 Dr. Frank Peluso, DOTulsa, OK · No drug or device payments recorded (2025) ·
(918) 497-3300 Dr. Gary Hills, D.O.Tulsa, OK · No drug or device payments recorded (2025) ·
(918) 749-4887 Dr. Geoffrey Fillmore, D.O.Tulsa, OK · $808 in drug and device payments (2025) · Telehealth ·
(918) 940-8500 Dr. Haresh Ajmera, MDTulsa, OK · No drug or device payments recorded (2025) ·
(918) 744-8115 Dr. Harvey Tatum, MDTulsa, OK · $991 in drug and device payments (2025) · Telehealth ·
(918) 582-6544 Dr. Ika Peleg, MDTulsa, OK · No drug or device payments recorded (2025) ·
(918) 619-4101 Dr. Jeffery Blonsky, M.D.Tulsa, OK · $1,220 in drug and device payments (2025) ·
(918) 307-5480 Dr. Jeffrey Hunt, D.O.Tulsa, OK · $15,354 in drug and device payments (2025) · Telehealth ·
(918) 582-6544 Dr. John Fucci, MDTulsa, OK · No drug or device payments recorded (2025) ·
(918) 619-4400 Dr. John Hood, M.D.Tulsa, OK · $2,403 in drug and device payments (2025) ·
(918) 940-8500 Dr. Kevin Mcnamara, MDTulsa, OK · $2,062 in drug and device payments (2025) · Telehealth ·
(918) 481-4700 Dr. Kishore Vipperla, M.D.Tulsa, OK · $992 in drug and device payments (2025) · Telehealth ·
(918) 582-6544 Dr. Markham Nightengale, M. D. Dr. Matt Blankenship, M.D.Tulsa, OK · $2,559 in drug and device payments (2025) · Telehealth ·
(918) 307-5480 Dr. Michael Martin, M.D.Tulsa, OK · $1,999 in drug and device payments (2025) · Telehealth ·
(918) 940-8500 Dr. Michael Sutton, DOTulsa, OK · $562 in drug and device payments (2025) · Telehealth ·
(918) 438-7050 Dr. Michael Warren, DOTulsa, OK · $2,270 in drug and device payments (2025) ·
(918) 497-3300 Dr. Mohamad Al-rifai, DOTulsa, OK · $1,112 in drug and device payments (2025) ·
(918) 497-3300 Dr. Norman Simon, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(918) 749-8889 Dr. Patrick Volak, M. D.Tulsa, OK · $2,886 in drug and device payments (2025) ·
(918) 481-4700 Dr. Paul Stanton, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(918) 481-4706 Dr. Richard Seifert, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(918) 584-0123 Conditions Gastroenterology providers in Oklahoma commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Oklahoma?There are 159 Gastroenterology providers with active NPI records practicing in Oklahoma, according to federal NPPES data refreshed monthly.
Do Gastroenterology providers in Oklahoma offer telehealth?Yes. 39 of the 159 Gastroenterology providers in Oklahoma (about 25%) report offering telehealth services in CMS data.
Which cities in Oklahoma have the most Gastroenterology providers?Oklahoma City (77), Tulsa (50), Norman (5) have the highest concentration of Gastroenterology providers in Oklahoma.
How many Gastroenterology providers in Oklahoma received drug or device company payments?107 of 159 Gastroenterology providers in Oklahoma (67%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Gastroenterology providers in Oklahoma treat?Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Gastroenterologists in Oklahoma work in independent practices or large health systems?Among 99 Gastroenterologists in Oklahoma enrolled in Medicare, 11% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 73% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Gastroenterologists in Oklahoma work at?According to CMS facility affiliation records, the Oklahoma hospitals where the most Gastroenterologists hold privileges are Saint Francis Hospital, Inc. in Tulsa; Saint Francis Hospital South, LLC in Tulsa; Integris Baptist Medical Center, Inc. in Oklahoma City.
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