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MARTRELL DENISE KELLY JOHN LISW-CP
NPI 1003467267
Social Worker - Clinical in Greenville, SC

Active since September 27, 2019PECOS EnrolledAccepts Medicare Assignment
250 COMMONWEALTH DR, GREENVILLE, SC 29615(240) 463-7794 Get Directions Write a Review

NPPES record last updated: September 27, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Martrell Denise Kelly John Lisw-cp NPPES

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

MARTRELL DENISE KELLY JOHN LISW-CP (NPI 1003467267) is an individual clinical provider in Greenville, South Carolina, licensed in South Carolina (10326) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1003467267
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARTRELL DENISE KELLY JOHNCredential: LISW-CP
Location Address250 COMMONWEALTH DRGreenville, SC 29615-4846
Mailing Address139 Harmony DrSpartanburg, SC 29301-5729 · (240) 463-7794
Phone(240) 463-7794
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateSeptember 27, 2019
✔ NPI 1003467267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in SC · 10326✔ Licensed in MD · 14582
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.
250 COMMONWEALTH DR, Greenville, SC 29615
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include First Choice Next.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

Martrell Denise Kelly John Lisw-cp 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 ID6103242805
PECOS Enrollment IDI20200812001690
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 Martrell Kelly John reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Innovation Counseling Services
7.6 mi
Community/Behavioral Health
955 W WADE HAMPTON BLVD STE 3B
Greer, SC 29650
  • Reassigned Medicare billing, South Carolina enrollment
  • 6 clinicians in this Medicare group
NPI 1457993123 (864) 334-5019
Regenesis Organization Community Health Center
18 mi
Federally Qualified Health Center (FQHC)
220 IRBY ST
Woodruff, SC 29388
NPI 1265777908 (864) 582-2411

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 29615 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
$0.00 typical visit price
range $53.57 – $163.84
Typical copayment $0.00 (range $13.39 – $40.96)
Most-billed visit code NA
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
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 Martrell Kelly John's NPI number?

The NPI number for Martrell Kelly John is 1003467267. It was assigned to this individual provider in the NPPES registry on September 27, 2019.

Where is Martrell Kelly John located?

Martrell Kelly John practices at 250 Commonwealth Dr, Greenville, SC 29615. The listed phone number is (240) 463-7794.

What is Martrell Kelly John's specialty?

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

Is Martrell Kelly John enrolled in Medicare?

Yes. Martrell Kelly John 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 Martrell Kelly John's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martrell Kelly John reassigns Medicare benefits to 2 organizations: Innovation Counseling Services (Greer, SC) and Regenesis Organization Community Health Center (Woodruff, 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 Martrell Kelly John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martrell Kelly John accept?

Health plans from First Choice Next list Martrell Kelly John 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 Martrell Kelly John was last updated on September 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.