Dr. Michael Obrien is a board-certified orthopedic surgeon practicing in Oklahoma City, Oklahoma. Dr. Obrien has performed 15 Medicare-verified knee replacements (#98 in Oklahoma) and 11 shoulder replacements, for a combined total of 26 procedures.
Dr. Obrien has recorded 26 Medicare fee-for-service procedures. Medicare data represents approximately one-third of all joint replacements nationwide, so these counts reflect only a portion of a surgeon's full practice. Oklahoma has 122 orthopedic surgeons in the current dataset.
Dr. Obrien's reported Medicare volume is split between knee replacements (15 cases) and shoulder replacements (11 cases).
Oklahoma City is home to 44 orthopedic surgeons in the current Medicare dataset. Patients in the Oklahoma City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Verified Medicare Cases
How is this estimated?
Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.
Verified Case Volume Trends (2013-Current)
Frequently Asked Questions About Dr. Obrien
How does Dr. Obrien's procedure volume compare to other Oklahoma surgeons?
Dr. Obrien has performed 26 Medicare-verified joint replacement procedures. The Oklahoma average is 63 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Obrien ranks #90 out of 122 orthopedic surgeons in Oklahoma.
What types of joint replacement does Dr. Obrien perform?
Dr. Obrien's Medicare data shows procedures in knee replacement (15 cases) and shoulder replacement (11 cases).
Are there other orthopedic surgeons near Dr. Obrien in Oklahoma City?
Yes. There are 44 orthopedic surgeons in Oklahoma City in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all Oklahoma surgeons.
What does the Medicare data for Dr. Obrien represent?
The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Obrien's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 26 procedures shown here.
Other Orthopedic Surgeons in Oklahoma City, Oklahoma
Compare Dr. Obrien's volume with other surgeons practicing in Oklahoma City.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Paul Jacob | 449 | Hip, Knee |
| Dr. Corey Ponder | 316 | Hip, Knee |
| Dr. Thomas Tkach | 279 | Hip, Knee |
| Dr. Bradley Reddick | 234 | Hip, Knee |
| Dr. Jacob Haynes | 161 | Hip, Knee |
| Dr. James Mitchell | 158 | Hip, Knee |
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Oklahoma City, OK 73159