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Dr. Benjamin J. Rejowski, MD

General Surgery (Surgical Critical Care Physician)

  • Medicare participating

At a glance

Years since graduation
13
In the NPI registry since
2013
Medicare patients seen, 2024
135

Licensed in Illinois since 2018, according to the Illinois Department of Financial and Professional Regulation. 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

  • 2013Registered 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

  • Surgical Critical Care Physician primary
    IL license 036.147274 (first issued 2018; active)

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

Map: General Surgery 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
135
Services billed
365
Patients’ average age
76
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes14855
Critical care, first 30-74 minutes5519
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes2929
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes2817
Hospital discharge day management, 30 minutes or less2828
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes2121
New patient office or other outpatient visit, 45-59 minutes1818
Established patient office or other outpatient visit, 20-29 minutes1513
Established patient office or other outpatient visit, 30-39 minutes1312

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 Springfield, IL
17

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

Other General Surgery clinicians in Springfield

Sources

NPI registry (CMS NPPES, November 2026; record last updated January 29, 2024), 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 1306286703. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.