Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Margaret Grace Simpson
Social Worker in Rock Hill, SC · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013849363
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Registry record
Entity type Individual (Type 1)
Name Margaret Grace Simpson
Sex Female
Practice address 1030 Riverwalk Pkwy Ste 203, Rock Hill, SC, 29730
Phone (803) 676-1276
Fax (617) 807-0958
Enumeration date Jun 1, 2026
Last updated in NPPES Jun 1, 2026
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Margaret Simpson practice?
The practice location on file with NPPES is in Rock Hill, SC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Margaret Simpson?
The National Provider Identifier (NPI) for Margaret Simpson is 1013849363, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Erinnae Cline Professional Counselor · Rock Hill, SC NPI 1598312969 Alex Farley Professional Counselor · Rock Hill, SC NPI 1346858628 Jessica Hutchison Professional Counselor · Rock Hill, SC NPI 1104755594 Brittany Tucker Professional Counselor · Rock Hill, SC NPI 1023949674 Hannah Ehmann Social Worker · Rock Hill, SC NPI 1801714506
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-01.