Timothy R. Niacaris, MD, PHD
NPI 1700033743ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Arlington, TX
Orthopaedic Surgery, Hand Surgery (MD, PHD) in Arlington, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2004). 124 Medicare patients in 2024, $63,568 paid; all of their 81 Part D prescriptions were generic. Microaire Surgical Instruments LLC was the largest of 6 companies reporting payments in 2025, $3,971 in all, mostly speaking and faculty fees.
Overview
| NPI | 1700033743 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Aug 21, 2008 |
| Last updated in NPPES | Feb 28, 2022 |
| Certified by provider | Feb 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | N9755 | 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 - Hand Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 829 across 76 procedure codes |
| Paid by Medicare | $63,568 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 81 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $700.28 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Hand Surgery |
| Secondary specialties | Orthopedic Surgery |
Medical group
- Texas Health Physicians GroupFort Worth, TX · 1,365 clinicians
Hospital affiliations
- Texas Health Arlington Memorial HospitalArlington, TX
- Texas Health Harris Methodist Fort WorthFort Worth, TX
Industry payments (Open Payments)
- 2025$3,971 · 18 payments from 6 companies
- 2024$3,245 · 16 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Microaire Surgical Instruments LLC | $2,250 | 2 |
| Kerecis Limited | $667.45 | 6 |
| Flower Orthopedics Coporation | $316.77 | 3 |
| Axogen | $313.49 | 3 |
| Acumed LLC | $256.33 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,250 · 2 payments
- Food and Beverage$1,404 · 13 payments
- Royalty or License$316.77 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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