Mrs. Alexandra Michele Masterson, LCSW — NPI 1851959282

Mrs. Alexandra Michele Masterson, LCSW’s National Provider Identifier is 1851959282. NPPES classifies this as a Type 1 individual record and reports a practice location in Oak Lawn, Illinois. The primary taxonomy is Clinical Social Worker.

Key facts

NPI
1851959282
Entity type
Type 1 individual
NPPES status
Active in the August 10, 2026 snapshot
Practice location
4400 W 95TH ST STE 205
Oak Lawn, Illinois 60453
Practice telephone
(708) 684-5340
Primary taxonomy
Clinical Social Worker (1041C0700X)
Behavioral Health & Social Service Providers › Social Worker › Clinical
Enumeration date
May 31, 2019
NPPES last update
October 16, 2025
Source
CMS NPPES, NPPES Data Dissemination August 2026 V2

Questions answered by the NPPES record

What is the NPI for Mrs. Alexandra Michele Masterson, LCSW?

The NPI listed for Mrs. Alexandra Michele Masterson, LCSW in the NPPES snapshot is 1851959282. The number passes the NPI check-digit test and is recorded as active in that snapshot.

Is NPI 1851959282 an individual or organization record?

NPPES records NPI 1851959282 as an Entity Type 1 record, which CMS assigns to an individual health care provider.

Where is the reported practice location?

The primary practice location reported to NPPES is 4400 W 95TH ST STE 205, Oak Lawn, Illinois 60453.

What taxonomy codes are listed for this NPI?

One taxonomy code is listed: Clinical Social Worker (1041C0700X), the primary taxonomy. Names come from the NUCC Health Care Provider Taxonomy code set version 26.1; definitions are not reproduced.

When was the NPPES record last updated?

NPPES reports a last update date of October 16, 2025 and an enumeration date of May 31, 2019, as published in NPPES Data Dissemination August 2026 V2.

Source and data date

All facts on this page come from the Centers for Medicare & Medicaid Services (CMS) NPPES data dissemination file NPPES Data Dissemination August 2026 V2, released August 10, 2026 (snapshot date 2026-08-10). The record was reproduced from the main provider file without edits; only the fields listed on the methodology page are published.

CMS updates NPPES continuously and this page reflects a single monthly snapshot. Confirm current details in the official NPPES NPI Registry.

Directory pages

This profile is listed on the Oak Lawn, Illinois NPI directory and the Illinois NPI directory.

Other published profiles in Oak Lawn, IL

Up to ten other profiles this site publishes for Oak Lawn, listed alphabetically. Appearing together here indicates only a shared reported practice city, not any affiliation or relationship. The city page lists all 50 published profiles.

Independent service disclaimer

This directory is an independent, experimental publication of public NPPES fields. It is not affiliated with or endorsed by CMS, NPPES, Medicare, the American Medical Association, or the National Uniform Claim Committee. An NPI is an administrative identifier. Its presence here does not establish that a provider is licensed, credentialed, board certified, in good standing, accepting patients or insurance, employed by or affiliated with any organization, or currently practicing. Nothing on this page is medical, legal, or insurance advice.