Occupational Medicine in Tulsa, Oklahoma
Data updated monthly · Last refresh September 2026
8 Occupational Medicine providers practice in Tulsa. Listings are drawn from federal public records and are not endorsements.
Occupational Medicine providers in Tulsa
Listed alphabetically. 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. 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 Tulsa, Oklahoma?There are 8 Occupational Medicine providers with active NPI records practicing in Tulsa, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records 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.
All specialties in Tulsa Occupational Medicine across Oklahoma