GRAY MATTERS INTEGRATIVE PSYCHOLOGY, PLLC
NPI 1033905815
Psychologist - Clinical in Brandon, MS
About Gray Matters Integrative Psychology, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRAY MATTERS INTEGRATIVE PSYCHOLOGY, PLLC (NPI 1033905815) is a healthcare organization registered as a clinical in Brandon, Mississippi and active in the NPI registry since April 2025. The organization lists Brittany Spence Sapp, Owner/psychologist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Gray Matters Integrative Psychology, Pllc 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 Gray Matters Integrative Psychology, PLLC, 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 Gray Matters Integrative Psychology, PLLC's NPI number?
The NPI number for Gray Matters Integrative Psychology, PLLC is 1033905815. It was assigned to this organization in the NPPES registry on April 17, 2025.
Where is Gray Matters Integrative Psychology, PLLC located?
Gray Matters Integrative Psychology, PLLC is located at 279 Fox Run Rd, Brandon, MS 39047. The listed phone number is (601) 376-9370.
What is Gray Matters Integrative Psychology, PLLC's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Gray Matters Integrative Psychology, PLLC enrolled in Medicare?
Yes. Gray Matters Integrative Psychology, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gray Matters Integrative Psychology, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Gray Matters Integrative Psychology, PLLC. 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 Gray Matters Integrative Psychology, PLLC was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Gray Matters Integrative Psychology, Pllc · NPI 1033905815
Clinical organization in Brandon, Mississippi. Organization record, active in the CMS NPPES registry since April 17, 2025.
## Identity
- **NPI:** 1033905815 (Entity type: Organization)
- **Enumerated:** April 17, 2025
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **Organization subpart:** No
- **Authorized official:** Brittany Sapp, OWNER/PSYCHOLOGIST
## Practice location
- **Address:** 279 FOX RUN RD, Brandon, MS 39047-8872
- **Phone:** (601) 376-9370
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Psychologist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033905815) · Data from the CMS NPPES public registry.