Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Tennessee Mental Health and Psychiatry Group, Professional Corporation

Psychiatry Physician in Brentwood, TN · enumerated 2026 · authorized official Boris Royak, Authorized Official.

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

National Provider Identifier

1720945660

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Registry record

Entity type Organization (Type 2)

Legal business name Tennessee Mental Health and Psychiatry Group, Professional Corporation

Practice address 5409 Maryland Way Ste 202, Brentwood, TN, 37027

Phone (615) 373-9955

Enumeration date Jan 5, 2026

Last updated in NPPES Jan 5, 2026

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Boris Royak

Title Authorized Official

Phone (615) 373-9955

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

What is the NPI number for Tennessee Mental Health and Psychiatry Group, Professional Corporation?

The NPI for Tennessee Mental Health and Psychiatry Group, Professional Corporation is 1720945660, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Tennessee Mental Health and Psychiatry Group, Professional Corporation?

NPPES lists Boris Royak (Authorized Official) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-05.