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Dr. John C. Brooks, M.D.

Emergency Medicine (Emergency Medical Services (Emergency Medicine) Physician)

  • Medicare participating

At a glance

Years since graduation
32
In the NPI registry since
2006
Medicare patients seen, 2024
625

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

  • 1994Medical school: University of Mississippi School of Medicine
  • 2006Registered 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 Medical Services (Emergency Medicine) Physician primary
    MS license 14413

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
625
Services billed
2,273
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Injection, dexamethasone sodium phosphate, 1 mg42074
Established patient office or other outpatient visit, 30-39 minutes324249
Emergency department visit with high level of medical decision making287280
Injection, ceftriaxone sodium, per 250 mg25658
Injection of drug or substance under skin or into muscle15893
Detection test by immunoassay with direct visual observation for influenza virus12057
Established patient office or other outpatient visit, 20-29 minutes8469
Insertion of needle into vein for collection of blood sample7857
Emergency department visit with moderate level of medical decision making7877
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus7267

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.

Payments from drug and device companies

In 2025, 1 companies reported 3 payments worth $65.31 in total to this clinician.

By company
Pfizer Inc.$65.31
By type
Food and Beverage$65.31

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Mississippi →

Other Emergency Medicine clinicians in Jackson

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 9, 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 1023046711. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.