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NAJM CLARK
NPI 1053767368
Nurse Practitioner - Psychiatric/Mental Health in Greer, SC

Active since May 05, 2016PECOS EnrolledAccepts Medicare Assignment
300 JOHN ST STE 4, GREER, SC 29651(864) 479-0280 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 7, 2026, Mar 3, 2026, Jan 9, 2026 and 1 more (4 updates tracked since 2016).

About Najm Clark NPPES

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

NAJM CLARK (NPI 1053767368) is an individual psychiatric/mental health provider in Greer, South Carolina, licensed in South Carolina (31374) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1053767368
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameNAJM CLARK
Location Address300 JOHN ST STE 4Greer, SC 29651-1463
Mailing Address2 Fairchild WayGreenville, SC 29607-5569 · (248) 238-7614
Phone(864) 479-0280
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMay 5, 2016
Last NPPES UpdateApril 7, 20264 updates tracked since enumeration
NPPES CertifiedApril 7, 2026
✔ NPI 1053767368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in SC · 31374
300 JOHN ST STE 4, Greer, SC 29651
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Najm Clark is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648752725
PECOS Enrollment IDI20260306002605
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Najm Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medasic
Same address
Addiction (Substance Use Disorder)
300 JOHN ST STE 4B
Greer, SC 29651
  • Reassigned Medicare billing, South Carolina enrollment
  • 18 clinicians in this Medicare group
NPI 1922630912 (864) 400-8293
Upstate Wellness Center LLC
38 mi
Psychiatry
102 BUFORD AVE STE A
Anderson, SC 29621
  • Reassigned Medicare billing, South Carolina enrollment
  • 15 clinicians in this Medicare group
NPI 1871362459 (864) 261-9506

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29651 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Najm Clark's NPI number?

The NPI number for Najm Clark is 1053767368. It was assigned to this individual provider in the NPPES registry on May 5, 2016.

Where is Najm Clark located?

Najm Clark practices at 300 John St Ste 4, Greer, SC 29651. The listed phone number is (864) 479-0280.

What is Najm Clark's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Najm Clark enrolled in Medicare?

Yes. Najm Clark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Najm Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Najm Clark reassigns Medicare benefits to 2 organizations: Medasic (Greer, SC) and Upstate Wellness Center LLC (Anderson, SC). Each 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 Najm Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Najm Clark accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care and Ambetter of North Carolina list Najm Clark 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 Najm Clark was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.