William J. Robertson Iii, MD

Medicare activity in 2024

Official CMS public-use data for William J. Robertson Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)1,051 services
2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)337 services
3. Therapy procedure using functional activities (97530)206 services
4. Therapy procedure using manual technique, each 15 minutes (97140)154 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)144 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• Arthritis71%
• High blood pressure69%
• Ischemic heart disease27%
• Diabetes21%
• Depression20%

Hospitals where William J. Robertson Iii works

Medicare's Facility Affiliation Data lists William J. Robertson Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Methodist Mansfield Medical CenterMansfield, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670023

Practice locations

Addresses where William J. Robertson Iii is enrolled with Medicare (CMS data updated October 2, 2026).

• 11000 Frisco St, Suite 200Frisco, TX 75033 (817) 419‑0303
• 3533 Matlock RdArlington, TX 76015 (817) 419‑0303

Group practices

Medicare enrollment lists William J. Robertson Iii as a member of this group (CMS data updated October 2, 2026).

• Tmi Sports Medicine and Orthopedic Surgery PA21 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in Texas →

Other orthopedic surgeons in Frisco

Clinicians with the same Medicare primary specialty in Frisco, TX — not a recommendation.

• Luke Zabawa, MD
• Edward D. Arrington, MD
• Nathan Boes, MD
• Mark A. Lessner, MD
• Aaron Lam, MD
• Eldon G. Hopkins, MD
• David Hassinger, MD
• Garen A. Collett, MD

All orthopedic surgeons in Frisco →

Other clinicians in Tmi Sports Medicine and Orthopedic Surgery PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Alyssa M. Porcelli, PA
• Kevin Nelson, PA
• Justin A. Caplinger, PA
• Haley N. Gorke
• Caroline G. Peterson, PA
• Shane Seroyer, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians