Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Diana Maria Horski, CM II

Counselor in Oklahoma City, OK · enumerated 2009.

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

National Provider Identifier

1588997472

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Registry record

Entity type Individual (Type 1)

Name Ms. Diana Maria Horski

Credential CM II

Sex Female

Practice address 4801 N Classen Blvd, Ste 159, Oklahoma City, OK, 73118

Phone (405) 607-6670

Enumeration date Sep 10, 2009

Last updated in NPPES Nov 3, 2016

Taxonomy & licenses

101Y00000X Counselor 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

How do I verify Diana Horski's NPI record?

Cross-check NPI 1588997472 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1588997472 active?

Yes, as of the latest NPPES snapshot, NPI 1588997472 is active (record last updated 2016-11-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-03.