Search › Illinois › Family Nurse Practitioner
Marissa Ontis, FNP-C
NPI 1629704929 · on the registry since 2022
Practice
- Address
- 1 Memorial Dr # G181
Alton, IL 62002 - Phone
- (618) 433-7066
- Fax
- (618) 433-7060
Registry record
- Primary taxonomy
- Family Nurse Practitioner
363LF0000X
- Licence states on file
- IL
From the registry's licence fields, which are often incomplete.
- Sex
- Female
- Record last updated
- 2026-05-01
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Illinois