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Dr. Catherine Njenga, MD

Family Medicine (Family Medicine Physician)

At a glance

Years since graduation
5
In the NPI registry since
2022

Licensed in Illinois since 2024, 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

  • 2022Registered 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

  • Family Medicine Physician primary
    IL license 036.173169 (first issued 2024; active)
  • Hospitalist Physician
    IL license 036173169 (first issued 2024; active)

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

Map: Family Medicine per capita by county →

Where they work

Hospitals

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Other Family Medicine clinicians in Decatur

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 21, 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1194457556. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.