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Dr. Benjamin Walker, MD

Hospitalist (Hospitalist Physician)

12605 E 16th Ave
Aurora, CO 80045

Who else practices at this address →

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

Call (720) 848-0000

  • Medicare participating

At a glance

In the NPI registry since
2014
Medicare patients seen, 2024
101

Licensed in Colorado since 2021, 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

  • 2014Registered 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

  • Hospitalist Physician primary
    CO license DR.0067013 (first issued 2021; active)
  • Internal Medicine Physician
    OH license 35.131954

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

Map: Hospitalist per capita by county →

Medicare patients and services

Medicare patients, 2024
101
Services billed
323
Patients’ average age
72
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes11745
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes11548
Hospital discharge day management, more than 30 minutes4848
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes1212

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 Hospitalist clinicians in Aurora

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 29, 2021), 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 1407275415. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.