MARY T JOHNSTON RN
NPI 1659595494
Registered Nurse - Registered Nurse First Assistant in Naperville, IL

Q: What is Mary Johnston's NPI number?

The NPI number for Mary Johnston is 1659595494. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Q: What is Mary Johnston's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Registered Nurse First Assistant, with taxonomy code 163WR0006X.

Q: When was this NPI record last updated?

The NPPES record for Mary Johnston was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 12, 2007

120 OSLER DRIVE, NAPERVILLE, IL 60540(630) 428-2229 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Mary T Johnston Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY T JOHNSTON RN (NPI 1659595494) is an individual registered nurse first assistant in Naperville, Illinois, licensed in Illinois (41199041) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1659595494

Entity TypeIndividualFemale

Primary Taxonomy163WR0006X

Provider Legal NameMARY T JOHNSTONCredential: RN

Location Address120 OSLER DRIVENaperville, IL 60540

Mailing Address27555 Diehl Rd., Entrance BWarrenville, IL 60555 · (630) 646-3884 · Fax (630) 548-0276

Phone(630) 428-2229

Sole ProprietorNo

Enumeration DateApril 12, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1659595494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Registered Nurse First AssistantNursing Service Providers

Taxonomy Code163WR0006X

License✔ Licensed in IL · 41199041

Definition

A perioperative registered nurse who works in collaboration with the surgeon and other health care team members to achieve optimal outcomes. The RNFA has acquired the necessary knowledge, judgment, and skills specific to the expanded role of RNFA clinical practice. Intraoperatively, the RNFA assists the surgeon.

120 OSLER DRIVE, Naperville, IL 60540

Open in Google Maps ↗

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THE FERTILITY INSTITUTE AT EDWARD/CHARLES E MILLER MD ASSOCIATES

Obstetrics & Gynecology (Reproductive Endocrinology)

120 OSLER DRIVE
NAPERVILLE, IL 60540

Dupage County (630) 428-2229

CHARLES E MILLER MD SC

Obstetrics & Gynecology (Reproductive Endocrinology)

120 OSLER DRIVE
NAPERVILLE, IL 60540

Dupage County (630) 428-2229

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Johnston's NPI number?

The NPI number for Mary Johnston is 1659595494. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Where is Mary Johnston located?

Mary Johnston practices at 120 Osler Drive, Naperville, IL 60540. The listed phone number is (630) 428-2229.

What is Mary Johnston's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Registered Nurse First Assistant, with taxonomy code 163WR0006X.

When was this NPI record last updated?

The NPPES record for Mary Johnston was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.