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MRK COUNSELING, PLLC
NPI 1952735383
Social Worker - Clinical in Raleigh, NC

Active since August 21, 2013
8009 NETHERLANDS DR, RALEIGH, NC 27606(919) 744-4089 Get Directions Write a Review

NPPES record last updated: August 21, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrk Counseling, Pllc NPPES

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

MRK COUNSELING, PLLC (NPI 1952735383) is a healthcare organization registered as a clinical in Raleigh, North Carolina and active in the NPI registry since August 2013. The organization lists Mary Key, Owner, as its authorized official.

NPPES Registry Identity

NPI1952735383
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameMRK COUNSELING, PLLC
Location Address8009 NETHERLANDS DRRaleigh, NC 27606-9655
Mailing Address106 Osterville DrHolly Springs, NC 27540-7525 · (919) 267-9292
Phone(919) 744-4089
Organization SubpartNo
Authorized OfficialMary KeyOwner · (919) 744-4089
Enumeration DateAugust 21, 2013
✔ NPI 1952735383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NC · C006189
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 1063 (NC)
8009 NETHERLANDS DR, Raleigh, NC 27606
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC.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)

Mrk Counseling, Pllc 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 Mrk Counseling, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mary Key, LCSW, LCAS
Clinical Social Worker
NPI 1699840793
1140 KILDAIRE FARM RD STE 200
Cary, NC 27511
(919) 744-4089
✔ PECOS✔ Accepts Medicare4.5 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 Mrk Counseling, PLLC's NPI number?

The NPI number for Mrk Counseling, PLLC is 1952735383. It was assigned to this organization in the NPPES registry on August 21, 2013.

Where is Mrk Counseling, PLLC located?

Mrk Counseling, PLLC is located at 8009 Netherlands Dr, Raleigh, NC 27606. The listed phone number is (919) 744-4089.

What is Mrk Counseling, PLLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mrk Counseling, PLLC enrolled in Medicare?

Yes. Mrk Counseling, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mrk Counseling, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Mrk Counseling, PLLC. 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 Mrk Counseling, PLLC accept?

Health plans from Blue Cross and Blue Shield of NC list Mrk Counseling, PLLC 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 Mrk Counseling, PLLC was last updated on August 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.