MISSISSIPPI PRIMARY CARE MS
NPI 1821962440
Nurse Practitioner - Primary Care in Byram, MS
About Mississippi Primary Care Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISSISSIPPI PRIMARY CARE MS (NPI 1821962440) is a healthcare organization registered as a primary care in Byram, Mississippi and active in the NPI registry since October 2025. The organization lists Chatina Spears Martin, Provider/administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mississippi Primary Care Ms is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mississippi Primary Care Ms, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mississippi Primary Care Ms's NPI number?
The NPI number for Mississippi Primary Care Ms is 1821962440. It was assigned to this organization in the NPPES registry on October 6, 2025.
Where is Mississippi Primary Care Ms located?
Mississippi Primary Care Ms is located at 7112 S Siwell Rd Ste C, Byram, MS 39272. The listed phone number is (601) 622-5620.
What is Mississippi Primary Care Ms's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Mississippi Primary Care Ms enrolled in Medicare?
Yes. Mississippi Primary Care Ms is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mississippi Primary Care Ms?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Mississippi Primary Care Ms. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mississippi Primary Care Ms was last updated on April 27, 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.
# Mississippi Primary Care Ms · NPI 1821962440
Primary Care organization in Byram, Mississippi. Organization record, active in the CMS NPPES registry since October 6, 2025.
## Identity
- **NPI:** 1821962440 (Entity type: Organization)
- **Enumerated:** October 6, 2025
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **Organization subpart:** No
- **Authorized official:** Chatina Martin, PROVIDER/ADMINISTRATOR
## Practice location
- **Address:** 7112 S SIWELL RD STE C, Byram, MS 39272-8744
- **Phone:** (601) 622-5620 · **Fax:** (601) 510-3883
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 27, 2026
- **Other identifiers:** Medicaid 000135719 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1821962440) · Data from the CMS NPPES public registry.