Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marissa Blalock, LMSW
Social Worker in Mccomb, MS · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235914219
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Registry record
Entity type Individual (Type 1)
Name Marissa Blalock
Credential LMSW
Sex Female
Practice address 1701 White St, Mccomb, MS, 39648
Phone (769) 217-2810
Enumeration date Aug 29, 2023
Last updated in NPPES Aug 29, 2023
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 Marissa Blalock practice?
The practice location on file with NPPES is in Mccomb, MS. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marissa Blalock?
The National Provider Identifier (NPI) for Marissa Blalock is 1235914219, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Jody Mcintyre Marriage & Family Therapist · Mccomb, MS NPI 1932159423 Sw Ms Mental Health Mental Retardation Commission Mental Health Clinic/Center (Including Community Mental Health Center) · Mccomb, MS NPI 1184662694 Jay Moak Clinical Psychologist · Mccomb, MS NPI 1619919701 Cristin Avery Social Worker · Mccomb, MS NPI 1881627925 Glenn Waller Professional Counselor · Mccomb, MS NPI 1689607814 Brenda Brace-Carter Professional Counselor · Mccomb, MS NPI 1376576322 James Ellis Psychologist · Mccomb, MS NPI 1437183308 Myrtis Tolliver Social Worker · Mccomb, MS NPI 1669407953
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-29.