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Robert D. Walker, PA

Physician Assistants (Surgical Physician Assistant)

  • Medicare participating

At a glance

In the NPI registry since
2005
Medicare patients seen, 2024
17

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 2005Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Surgical Physician Assistant primary
    TX license PA01781

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Physician Assistants per capita by county →

Medicare patients and services

Medicare patients, 2024
17
Services billed
22
Patients’ average age
73
Most frequent Medicare services, 2023
ServiceTimesPatients
Removal of gallbladder with x-ray study of bile ducts using an endoscope1717

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Other Physician Assistants clinicians in Tyler

Sources

NPI registry (CMS NPPES, November 2026; record last updated January 21, 2015), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1639167703. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.