STEFANIE A PROIA CPNP
NPI 1700035193
Nurse Practitioner - Pediatrics in Northridge, CA

Active since September 10, 2008
18546 ROSCOE BLVD, SUITE 211, NORTHRIDGE, CA 91324(818) 885-8040(818) 267-5633 Get Directions Write a Review

NPPES record last updated: May 22, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Stefanie A Proia Cpnp NPPES

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

STEFANIE A PROIA CPNP (NPI 1700035193) is an individual pediatrics provider in Northridge, California, licensed in California (NP18431) and active in the NPI registry since September 2008. She maintains a secondary practice location in Thousand Oaks.

NPPES Registry Identity

NPI1700035193
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameSTEFANIE A PROIACredential: CPNP
Location Address18546 ROSCOE BLVD, SUITE 211Northridge, CA 91324-4663
Mailing Address18546 Roscoe Blvd, Suite 211Northridge, CA 91324-4663 · (818) 885-8040 · Fax (818) 267-5633
Fax(818) 267-5633
Sole ProprietorNo
Enumeration DateSeptember 10, 2008
Last NPPES UpdateMay 22, 2026
NPPES CertifiedMay 22, 2026
NPI 1700035193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License Licensed in CA · NP18431
18546 ROSCOE BLVD, Northridge, CA 91324

Secondary Practice Location 1

Location 1425 Haaland Dr Ste 104Thousand Oaks, CA 91361-5230 · Phone (805) 494-1948

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Pulmonary Disease)
18546 ROSCOE BLVD, #308
NORTHRIDGE, CA 91324
Psychologist
18546 ROSCOE BLVD, STE 210
NORTHRIDGE, CA 91324
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
18546 ROSCOE BLVD, SUITE # 108
NORTHRIDGE, CA 91324
Psychiatry & Neurology (Psychiatry)
18546 ROSCOE BLVD, SUITE 210
NORTHRIDGE, CA 91324
Nutritionist (Nutrition, Education)
18546 ROSCOE BLVD, SUITE 230
NORTHRIDGE, CA 91324
Non-Pharmacy Dispensing Site
18546 ROSCOE BLVD, 312
NORTHRIDGE, CA 91324
Family Medicine
18546 ROSCOE BLVD, SUITE 230
NORTHRIDGE, CA 91324
Psychiatry & Neurology (Psychiatry)
18546 ROSCOE BLVD, SUITE 210
NORTHRIDGE, CA 91324

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 Stefanie Proia's NPI number?

The NPI number for Stefanie Proia is 1700035193. It was assigned to this individual provider in the NPPES registry on September 10, 2008.

Where is Stefanie Proia located?

Stefanie Proia practices at 18546 Roscoe Blvd Suite 211, Northridge, CA 91324. The listed phone number is (818) 885-8040.

What is Stefanie Proia's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

When was this NPI record last updated?

The NPPES record for Stefanie Proia was last updated on May 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.