IndividualActive
Mary Johnston, RN
NPI 1659595494 · Registered Nurse First Assistant · Naperville, IL
Provider details
- NPI number
- 1659595494
- Entity type
- Individual
- Primary specialty
- Registered Nurse First AssistantNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 41199041 (IL)
Specialties & taxonomies
Nursing Service Providers
Practice location
120 Osler Drive
Naperville, IL 60540
Phone: (630) 428-2229
Approximate (ZIP-level) locationGet directions
Mailing address
27555 Diehl Rd.
Warrenville, IL 60555
Registry dates
- Enumerated
- 2007-04-12
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.