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Katheryne T. Amba, NP

Nurse Practitioners (Acute Care Nurse Practitioner)

  • Medicare participating

At a glance

Years since graduation
17
In the NPI registry since
2010
Medicare patients seen, 2024
38

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

  • 2010Registered 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

  • Acute Care Nurse Practitioner primary
    MO license 2009038527

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

Map: Nurse Practitioners 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
38
Services billed
39
Patients’ average age
80
Most frequent Medicare services, 2023
ServiceTimesPatients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes3232
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes2424

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 Nurse Practitioners clinicians in Saint Louis

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 29, 2018), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1275863441. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.