HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / IL

ALENA VALERY LEONOVA

NURSE PRACTITIONER

Graduated: 2016

NPI: 1730632316

Practice Locations (1)

DIANE L OZOG, MDSC

1288 RICKERT DR, SUITE 100

NAPERVILLE, IL 605408901

6306520606

Source: CMS National Downloadable File, September 2026.