Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. HARRIETT WILLS GRADY-THOMAS LISW
NPI 1649249194
Social Worker - Clinical in Charleston, SC

Active since March 16, 2006PECOS Enrolled
4 CARRIAGE LN, SUITE 108, CHARLESTON, SC 29407(843) 571-3387(843) 571-4387 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Harriett Wills Grady-thomas Lisw NPPES

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

MS. HARRIETT WILLS GRADY-THOMAS LISW (NPI 1649249194) is an individual clinical provider in Charleston, South Carolina, licensed in South Carolina (5060) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1649249194
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. HARRIETT WILLS GRADY-THOMASCredential: LISW
Location Address4 CARRIAGE LN, SUITE 108Charleston, SC 29407-6065
Mailing Address1156 Northbridge DrCharleston, SC 29407-3742 · (843) 571-3387 · Fax (843) 571-4387
Fax(843) 571-4387
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateMarch 16, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1649249194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in SC · 5060
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.
4 CARRIAGE LN, Charleston, SC 29407

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Harriett Wills Grady-thomas Lisw 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 ID4486696002
PECOS Enrollment IDI20050524001052
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29407 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
4 CARRIAGE LN, SUITE 203-B
CHARLESTON, SC 29407
Psychiatry & Neurology (Psychiatry)
4 CARRIAGE LN, SUITE 100
CHARLESTON, SC 29407
Behavior Analyst
4 CARRIAGE LN, SUITE 302
CHARLESTON, SC 29407
Social Worker (Clinical)
4 CARRIAGE LN, SUITE 100
CHARLESTON, SC 29407
Chiropractor
4 CARRIAGE LN, SUITE 300B
CHARLESTON, SC 29407
Counselor (Mental Health)
4 CARRIAGE LN
CHARLESTON, SC 29407
Counselor (Mental Health)
4 CARRIAGE LN, SUITE 108
CHARLESTON, SC 29407
Counselor (Mental Health)
4 CARRIAGE LN
CHARLESTON, SC 29407

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 Harriett Grady-thomas's NPI number?

The NPI number for Harriett Grady-thomas is 1649249194. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Where is Harriett Grady-thomas located?

Harriett Grady-thomas practices at 4 Carriage Ln Suite 108, Charleston, SC 29407. The listed phone number is (843) 571-3387.

What is Harriett Grady-thomas's specialty?

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

Is Harriett Grady-thomas enrolled in Medicare?

Yes. Harriett Grady-thomas 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.

What insurance does Harriett Grady-thomas accept?

Health plans from BlueCross BlueShield of South Carolina list Harriett Grady-thomas 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 Harriett Grady-thomas was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.