Occupational Medicine Doctors in Oklahoma
Data updated monthly · Last refresh October 2026
28 Occupational Medicine providers practice in Oklahoma. 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.
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Occupational Medicine by city in Oklahoma
Choose a city to see providers there.
Occupational Medicine 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. Katelin Thai, D.O.Altus Afb, OK · $99 in drug and device payments (2025) ·
(580) 481-5433 Dr. William Parsons, MDBartlesville, OK · No drug or device payments recorded (2025) ·
(918) 661-4961 Dr. Gary Boyer, D.O.Chickasha, OK · No drug or device payments recorded (2025) ·
(405) 224-2100 Dr. Jean Felix Cyriaque, M.D.,M.P.HEdmond, OK · No drug or device payments recorded (2025) ·
(919) 740-1530 Dr. Matthew Hamm, MD, MPHEdmond, OK · No drug or device payments recorded (2025) ·
(405) 705-5700 Dr. Cindy Rogers, MD MPHEnid, OK · No drug or device payments recorded (2025) ·
(580) 548-5010 Dr. Gary Patzkowsky, D.O.Enid, OK · No drug or device payments recorded (2025) ·
(580) 548-1112 Dr. Gregory Rogers, D.O.Mcalester, OK · No drug or device payments recorded (2025) ·
(918) 420-6495 Dr. Angel Rivera, M.D.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(615) 778-4066 Dr. Debra Montgomery, D.O., M.P.H.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 632-1002 Dr. Gary Massad, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 843-3193 Dr. Jeffrey Pardee, M.D.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 691-1006 Dr. Leroy Young, DOOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 235-6200 Dr. Myron Mills, M.D.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 416-4246 Dr. Randel Estep, DOOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 230-9250 Dr. Robert Swicord, M.D.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 748-4418 Dr. William Jones Iv, M.D.Oklahoma City, OK · $28 in drug and device payments (2025) ·
(405) 521-8604 Dr. Edward King, M.D.Tinker Afb, OK · No drug or device payments recorded (2025) ·
(405) 582-6836 Dr. Philip Beck, D.OTinker Afb, OK · $20 in drug and device payments (2025) ·
(405) 736-2820 Dr. David HardyTinker Air Force Base, OK · No drug or device payments recorded (2025) ·
(405) 734-2778 Dr. Christian Nielsen, D.O.Tulsa, OK · No drug or device payments recorded (2025) ·
(615) 778-4066 Dr. Gregory Mitchell, MDTulsa, OK · No drug or device payments recorded (2025) ·
(918) 388-1901 Dr. John Hallford, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(615) 778-4066 Dr. Karen Smallwood Ryan, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(918) 622-6606 Dr. Lee Schafer, COTATulsa, OK · No drug or device payments recorded (2025) ·
(918) 527-5330 Dr. Terry Wagner, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(615) 778-4066 Dr. Tiari Harris, MD MPHTulsa, OK · No drug or device payments recorded (2025) ·
(918) 744-2979 Dr. William Gillock, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(918) 481-0994 Common questions
How many Occupational Medicine providers are in Oklahoma?There are 28 Occupational Medicine providers with active NPI records practicing in Oklahoma, according to federal NPPES data refreshed monthly.
Which cities in Oklahoma have the most Occupational Medicine providers?Oklahoma City (9), Tulsa (8), Tinker Afb (2) have the highest concentration of Occupational Medicine providers in Oklahoma.
How many Occupational Medicine providers in Oklahoma received drug or device company payments?3 of 28 Occupational Medicine providers in Oklahoma (11%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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.
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