Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. ALISON J. COSTALOS I NP
NPI 1184673055
Nurse Practitioner - Acute Care in South Orange, NJ

Q: What is Alison Costalos's NPI number?

The NPI number for Alison Costalos is 1184673055. It was assigned to this individual provider in the NPPES registry on May 9, 2006. The provider is also known as Mrs. Alison J Costalos Np.

Q: What is Alison Costalos's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Alison Costalos was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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 May 09, 2006

400 SOUTH ORANGE AVE, SOUTH ORANGE, NJ 07079(973) 761-9175 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Mrs. Alison J. Costalos I Np NPPES

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

MRS. ALISON J. COSTALOS I NP (NPI 1184673055) is an individual acute care provider in South Orange, New Jersey, licensed in New York (F430168-1) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1184673055

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameMRS. ALISON J. COSTALOS ICredential: NP

Location Address400 SOUTH ORANGE AVESouth Orange, NJ 07079

Mailing Address25 Holly StCranford, NJ 07016 · (908) 447-4481

Phone(973) 761-9175

Sole ProprietorNo

Enumeration DateMay 9, 2006

Last NPPES UpdateSeptember 28, 2026

✔ NPI 1184673055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in NY · F430168-1

400 SOUTH ORANGE AVE, South Orange, NJ 07079

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Other Names 1

Professional Name (2)Mrs. Alison J Costalos Np

Other Providers at the Same Location NPPES

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

DR. DIANNE MARIE AGUERO-TROTTER PH.D.

Psychologist (Clinical)

400 SOUTH ORANGE AVE
SOUTH ORANGE, NJ 07079

Essex County (973) 761-9500

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 Alison Costalos's NPI number?

The NPI number for Alison Costalos is 1184673055. It was assigned to this individual provider in the NPPES registry on May 9, 2006. The provider is also known as Mrs. Alison J Costalos Np.

Where is Alison Costalos located?

Alison Costalos practices at 400 South Orange Ave, South Orange, NJ 07079. The listed phone number is (973) 761-9175.

What is Alison Costalos's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Alison Costalos was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.