MACK MENTAL HEALTH GROUP LLC
NPI 1922691930
Clinic/Center - Mental Health (Including Community Mental Health Center) in Morristown, TN

Active since February 19, 2021
1925 W ANDREW JOHNSON HWY UNIT 1, MORRISTOWN, TN 37814(423) 258-2161 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 10, 2026, Jun 8, 2021, Feb 19, 2021 (3 updates tracked since 2021).

About Mack Mental Health Group Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MACK MENTAL HEALTH GROUP LLC (NPI 1922691930), doing business as Mack Mental Health Group, is a healthcare organization registered as a mental health (including community mental health center) in Morristown, Tennessee and active in the NPI registry since February 2021. The organization lists George Mack, Owner/clinician, as its authorized official.

NPPES Registry Identity

NPI1922691930
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameMACK MENTAL HEALTH GROUP LLC
Location Address1925 W ANDREW JOHNSON HWY UNIT 1Morristown, TN 37814-3757
Mailing Address1831 Buffalo TrlMorristown, TN 37814-4331 · (423) 258-2161 · Fax (423) 225-8432
Organization SubpartNo
Authorized OfficialGeorge MackOwner/clinician · (423) 258-2161
Enumeration DateFebruary 19, 2021
Last NPPES UpdateAugust 10, 20263 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
✔ NPI 1922691930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
1925 W ANDREW JOHNSON HWY UNIT 1, Morristown, TN 37814

Other Names 1

Former Legal Business NameMack Mental Health Group

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mack Mental Health Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mack Mental Health Group LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mental Health Counselor
NPI 1699389601
1925 W ANDREW JOHNSON HWY UNIT 1
Morristown, TN 37814
(423) 258-2161
✔ PECOS3.0 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mack Mental Health Group LLC's NPI number?

The NPI number for Mack Mental Health Group LLC is 1922691930. It was assigned to this organization in the NPPES registry on February 19, 2021. The provider was formerly known as Mack Mental Health Group.

Where is Mack Mental Health Group LLC located?

Mack Mental Health Group LLC is located at 1925 W Andrew Johnson Hwy Unit 1, Morristown, TN 37814. The listed phone number is (423) 258-2161.

What is Mack Mental Health Group LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Is Mack Mental Health Group LLC enrolled in Medicare?

Yes. Mack Mental Health Group LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mack Mental Health Group LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Mental Health Counselor) reassigns their Medicare billing to Mack Mental Health Group LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mack Mental Health Group LLC was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.