NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Arlene Denise Wallace, EDD

Behavior Analyst in Philadelphia, PA · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1891099115

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Registry record

Entity type Individual (Type 1)
Name Arlene Denise Wallace
Credential EDD
Sex Female
Practice address Philadelphia, PA, 19150
Enumeration date Dec 29, 2010
Last updated in NPPES Dec 29, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is NPI 1891099115 active?
Yes, as of the latest NPPES snapshot, NPI 1891099115 is active (record last updated 2010-12-29).
How do I verify Arlene Wallace's NPI record?
Cross-check NPI 1891099115 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-29.