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Dr. William A. Smith JR., MD

Emergency Medicine (Emergency Medicine Physician)

  • Medicare participating

At a glance

Years since graduation
39
In the NPI registry since
2005
Medicare patients seen, 2024
544

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

  • 1987Medical school: University of Mississippi School of Medicine
  • 2005Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

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

  • Emergency Medicine Physician primary
    TN license 18933

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

Map: Emergency Medicine per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
544
Services billed
868
Patients’ average age
76
Most frequent Medicare services, 2023
ServiceTimesPatients
Emergency department visit with high level of medical decision making607586
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only378351
Emergency department visit with moderate level of medical decision making172171
Critical care, first 30-74 minutes5151

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.

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Hydrocodone-Acetaminophen (hydrocodone/acetaminophen)
Other prescribers in Germantown, TN
49

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Industry-funded research

Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $4,007 in research payments for these studies, mostly to the institutions running them.

  • A phase i, randomized, double-blind, placebo-controlled, multicenter study to evaluate the safety, tolerability, pharmacokinetics, and biomarkers of DONQ52 in celiac disease patients
    Chugai Pharmaceutical Co., Ltd.

From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.

Other Emergency Medicine clinicians in Germantown

Sources

NPI registry (CMS NPPES, November 2026; record last updated December 28, 2007), 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 1972595189. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.