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Jessica M. Fields

Nurse Practitioners (Family Nurse Practitioner)

25455 Barton Rd
Loma Linda, CA 92354

Who else practices at this address →

San Bernardino County includes primary care (5% of residents) and mental health (26% of residents) shortage areas. About shortage areas

Call (909) 558-6600

At a glance

Years since graduation
15
In the NPI registry since
2012

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

  • 2012Registered 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 Nurse Practitioner primary
    CA license NP 21774

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

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

Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 30-39 minutes6262
Emergency department visit with high level of medical decision making2423
Emergency department visit with moderate level of medical decision making1919
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only1512
Established patient office or other outpatient visit, 40-54 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.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $137 in total to this clinician.

By company
Baxter Healthcare$137
By type
Food and Beverage$137

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 California →

Other Nurse Practitioners clinicians in Loma Linda

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 10, 2012), 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 1548517311. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.