Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Evolution Mental Health Services Pllc

Mental Health Counselor in Tulsa, OK · enumerated 2020 · authorized official Stacy Mcwilliams, Practice Manager.

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

National Provider Identifier

1831714815

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Registry record

Entity type Organization (Type 2)

Legal business name Evolution Mental Health Services Pllc

Practice address 6931 S 66th East Ave Ste 200, Tulsa, OK, 74133

Phone (918) 379-4431

Fax (918) 328-2380

Enumeration date Jun 15, 2020

Last updated in NPPES Jan 12, 2026

Taxonomy & classification

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

Authorized official

Name Stacy Mcwilliams

Title Practice Manager

Phone (918) 379-4431

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.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2026-01-12. Verify at npiregistry.cms.hhs.gov.

Where is Evolution Mental Health Services Pllc located?

The practice location on file with NPPES is in Tulsa, OK.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-12.