Okay Atilla Onan, M.D.
NPI 1841297843ActiveIndividual· Orthopaedic Surgery, Orthopaedic Surgery of the Spine· Austin, TX
Orthopaedic Surgery, Orthopaedic Surgery of the Spine (M.D.) in Austin, Texas, trained at Baylor College of Medicine (class of 1995). 308 Medicare patients in 2024, $111,256 paid; all of their 381 Part D prescriptions were generic. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $1,439 in all, mostly food and beverage.
Overview
| NPI | 1841297843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2005 |
| Last updated in NPPES | Mar 26, 2026 |
| Certified by provider | Mar 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | K3624 | TX |
| Orthopaedic Surgery | 207X00000X | K3624 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 308 |
|---|---|
| Services billed | 925 across 47 procedure codes |
| Paid by Medicare | $111,256 |
Part D prescriptions in 2024
| Prescriptions (claims) | 381 · 383 30-day fills |
|---|---|
| Patients | 187 |
| Total drug cost | $3,015 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Ortholonestar PLLCBaytown, TX · 428 clinicians
Hospital affiliations
- Ascension Seton Medical Center AustinAustin, TX
- Round Rock Medical CenterRound Rock, TX
Other facilities
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Lakeway, TX
Industry payments (Open Payments)
- 2025$1,439 · 14 payments from 2 companies
- 2024$1,932 · 21 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,280 | 13 |
| Abbott Laboratories | $159.75 | 1 |
What the 2025 payments were for
- Food and Beverage$1,439 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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