RIDGELINE COUNSELING LLC
NPI 1508058389
Community/Behavioral Health in Marietta, GA

Q: What is Ridgeline Counseling LLC's NPI number?

The NPI number for Ridgeline Counseling LLC is 1508058389. It was assigned to this organization in the NPPES registry on August 15, 2007.

Q: What is Ridgeline Counseling LLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since August 15, 2007

2440 SANDY PLAINS ROAD, BUILDING 21 SUITE 200, MARIETTA, GA 30066(770) 993-9700(770) 993-9800 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Ridgeline Counseling Llc NPPES

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

RIDGELINE COUNSELING LLC (NPI 1508058389) is a healthcare organization registered as a community/behavioral health in Marietta, Georgia and active in the NPI registry since August 2007. The organization lists David Glenn Markwell, Owner, as its authorized official.

NPPES Registry Identity

NPI1508058389

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameRIDGELINE COUNSELING LLC

Location Address2440 SANDY PLAINS ROAD, BUILDING 21 SUITE 200Marietta, GA 30066-7233

Mailing Address2440 Sandy Plains Road, Building 21 Suite 200Marietta, GA 30066-7233 · (770) 993-9700 · Fax (770) 993-9800

Phone(770) 993-9700

Fax(770) 993-9800

Organization SubpartNo

Authorized OfficialDavid Glenn MarkwellOwner · (770) 993-9700

Enumeration DateAugust 15, 2007

Last NPPES UpdateDecember 12, 2025

NPPES CertifiedDecember 12, 2025

✔ NPI 1508058389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

License✔ Licensed in GA · 3565

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

2440 SANDY PLAINS ROAD, Marietta, GA 30066

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Moda Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ridgeline Counseling 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 Ridgeline Counseling LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

David Markwell, PHD, LPC, NCC

Mental Health Counselor

NPI 1336173541

2440 SANDY PLAINS ROAD BUILDING 21 SUITE 200
Marietta, GA 30066

(770) 993-9700

✔ PECOSSame address

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 Ridgeline Counseling LLC's NPI number?

The NPI number for Ridgeline Counseling LLC is 1508058389. It was assigned to this organization in the NPPES registry on August 15, 2007.

Where is Ridgeline Counseling LLC located?

Ridgeline Counseling LLC is located at 2440 Sandy Plains Road Building 21 Suite 200, Marietta, GA 30066. The listed phone number is (770) 993-9700.

What is Ridgeline Counseling LLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Ridgeline Counseling LLC enrolled in Medicare?

Yes. Ridgeline Counseling LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ridgeline Counseling LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Mental Health Counselor) reassigns their Medicare billing to Ridgeline Counseling 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.

What insurance does Ridgeline Counseling LLC accept?

Health plans from Alliant Health Plans, Inc. and Moda Health Plan, Inc. list Ridgeline Counseling LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ridgeline Counseling LLC was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.