GREER PERLE MASSEY MSW, LCSW
NPI 1124952791
Counselor - Mental Health in Biloxi, MS
About Greer Perle Massey Msw, Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREER PERLE MASSEY MSW, LCSW (NPI 1124952791) is an individual mental health provider in Biloxi, Mississippi, licensed in Mississippi (C11999) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Greer Perle Massey Msw, Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Greer Massey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Biloxi, MS 39530
- Reassigned Medicare billing, Mississippi enrollment
- 90 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILOXI, MS 39530
BILOXI, MS 39530
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 Greer Massey's NPI number?
The NPI number for Greer Massey is 1124952791. It was assigned to this individual provider in the NPPES registry on June 10, 2026.
Where is Greer Massey located?
Greer Massey practices at 715A Division St, Biloxi, MS 39530. The listed phone number is (228) 374-2492.
What is Greer Massey's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Greer Massey enrolled in Medicare?
Yes. Greer Massey is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Greer Massey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greer Massey reassigns Medicare benefits to Coastal Family Health Center, Inc (Biloxi, MS). The 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 Greer Massey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Greer Massey accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Greer Massey 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 Greer Massey was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Greer Perle Massey, MSW, LCSW · NPI 1124952791
Mental Health provider in Biloxi, Mississippi. Individual provider, active in the CMS NPPES registry since June 10, 2026.
## Identity
- **NPI:** 1124952791 (Entity type: Individual)
- **Enumerated:** June 10, 2026
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** C11999 (Mississippi)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 715A DIVISION ST, Biloxi, MS 39530-2209
- **Phone:** (228) 374-2492
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Coastal Family Health Center, Inc (NPI 1821086083, Biloxi, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** June 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1124952791) · Data from the CMS NPPES public registry.