Okay Onan, M.D.
NPI 1841297843 · Orthopaedic Surgery of the Spine Physician · Austin, TX
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Okay Onan, M.D. is a Orthopaedic Surgery of the Spine Physician provider in Austin, TX (NPI 1841297843).
Provider details
- NPI number
- 1841297843
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K3624 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
818 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 342 | $124 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 127 | $39 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 75 | $163 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 63 | $127 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 30 | $174 |
| X-Ray of Upper Spine, 2-3 Views72040 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 77 | 49 |
| Methylprednisolone | 46 | 41 |
| Tizanidine Hcl | 43 | 40 |
| Ondansetronbrand: Ondansetron Odt | 39 | 35 |
| Oxycodone Hcl | 32 | 26 |
| Cyclobenzaprine Hcl | 29 | 26 |
| Methocarbamol | 26 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,932 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 2224 Walsh Tarlton Ln Ste 200Austin, TX 78746-7756Phone: (512) 439-1000
- 3755 S Capital of Texas Hwy Ste 160Austin, TX 78704-6645Phone: (512) 439-1000
- 4700 Campus Village Dr Ste 100Round Rock, TX 78665-3025Phone: (512) 439-1000
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2026-03-26
- Certified
- 2026-03-26
Frequently asked questions
- What is Okay Onan's NPI number?
- Okay Onan's National Provider Identifier (NPI) is 1841297843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Okay Onan's specialty?
- Okay Onan is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery of the Spine Physician (Allopathic & Osteopathic Physicians).
- Where is Okay Onan located?
- Okay Onan's practice location on file with NPPES is 4700 Seton Center Pkwy Ste 200, Austin, TX 78759-4107.
- What is Okay Onan's phone number?
- The practice phone number listed in the NPPES registry for Okay Onan is (512) 439-1000.
- Does Okay Onan accept Medicare?
- Okay Onan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Okay Onan's NPI active?
- Yes — Okay Onan's NPI (1841297843) is active in the NPPES registry as of the last update on 2026-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.