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Dr. Brian Baker, D.O.

Emergency Medicine (Emergency Medicine Physician)

  • Medicare participating

At a glance

Years since graduation
10
In the NPI registry since
2016
Medicare patients seen, 2024
796

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

  • 2016Medical school: Oklahoma State University College of Osteopathic Medicine
  • 2016Registered with an NPI (national billing number; not a license date)

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
    OK license 0173R

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
796
Services billed
882
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Emergency department visit with high level of medical decision making386368
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only216203
Emergency department visit with moderate level of medical decision making154150
Emergency department visit with low level of medical decision making5757
Critical care, first 30-74 minutes1515

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

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

Other Emergency Medicine clinicians in Oklahoma City

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 29, 2016), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1922459015. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.