TIMOTHY R NIACARIS (MD, PHD) – Orthopaedic Hand Surgery Physician, NPI 1700033743
Orthopaedic Hand Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,187 ORTHOPEDIC SURGERY in TX
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Provider Addresses for TIMOTHY R NIACARIS (MD, PHD)
902 W RANDOL MILL RD STE 120
ARLINGTON, TX 760122579
Phone: (682) 212-9190
Fax: (682) 212-0150
Type: Mailing
7715 SAN JACINTO PL
STE 200
PLANO, TX 750243215
Phone: (469) 209-8099
Fax: (972) 618-4444
Type: Mailing
UNTHSC Health Pavilion, 855, Montgomery Street, Fort Worth, Tarrant County, Texas, 76107, United States
FORT WORTH, TX 761072553
Phone: (817) 735-2900
Fax: (817) 735-2902
Type: Location
800 5th Ave Ste 300
Fort Worth, TX 761047303
Phone: (682) 212-9190
Fax: (682) 212-0150
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 36 Open Payments records for all available years, with a total value of $10,806.
Total Amount is formed as General ($10,806) + Research ($0) + Ownership ($0) = $10,806.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: MicroAire Surgical Instruments LLC ($4,487).
Total Amount
$10,806
General + Research + Ownership
Payments
36
Total payment records
General Amount
$10,806
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
1
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| MicroAire Surgical Instruments LLC | $4,487 |
| Flower Orthopedics Coporation | $2,517 |
| Microaire Surgical Instruments Llc | $1,500 |
| ACUMED LLC | $969 |
| Integra LifeSciences Corporation | $330 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-10-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20111019000137 | I | Hand Surgery | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 172 | 28 | $0 |
| 73110 | X-ray of wrist, minimum of 3 views | 57 | 28 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 57 | 44 | $0 |
| 73130 | X-ray of hand, minimum of 3 views | 54 | 36 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 38 | 32 | $0 |
Insurance plans in this area (ZIP 76012)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | TX | |
| Vascular Surgery | PA | |
| Internal Medicine | TX | |
| - | TX | |
| - | TX | |
| N E U R O S U R G E R Y | TX | |
| - | TX | |
| - | TX | |
| - | TX | |
| Cardiovascular Disease (Cardiology), Internal Medicine | TX |
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