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Dr. William J. Porter IV, MD

Psychiatry (Psychiatry Physician)

13001 E 17th Pl
Aurora, CO 80045

Who else practices at this address →

Adams County includes primary care (2% of residents) shortage areas. About shortage areas

Call (303) 724-6018

At a glance

In the NPI registry since
2020

Licensed in Colorado since 2023, according to the Colorado Department of Regulatory Agencies. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

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. What an NPI is

Education and training

  • 2020Registered with an NPI (national billing number; not a license date)

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

  • Psychiatry Physician primary
    CO license DR.0071291 (first issued 2023; active)

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

Map: Psychiatry per capita by county →

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Clozapine
Other prescribers in Aurora, CO
23
Escitalopram Oxalate
Other prescribers in Aurora, CO
11

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

Other Psychiatry clinicians in Aurora

Sources

NPI registry (CMS NPPES, November 2026; record last updated March 16, 2026), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1134748858. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.