GRACIE VANESSA ALLEYNE-POPO
NPI 1780145409
Counselor - Addiction (Substance Use Disorder) in Quincy, MA
About Gracie Vanessa Alleyne-popo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACIE VANESSA ALLEYNE-POPO (NPI 1780145409) is an individual addiction (substance use disorder) provider in Quincy, Massachusetts and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gracie Vanessa Alleyne-popo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gracie Alleyne-popo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mansfield Center, CT 06250
- Reassigned Medicare billing, Connecticut enrollment
- 200 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
QUINCY, MA 02169
QUINCY, MA 02169
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 Gracie Alleyne-popo's NPI number?
The NPI number for Gracie Alleyne-popo is 1780145409. It was assigned to this individual provider in the NPPES registry on March 26, 2019.
Where is Gracie Alleyne-popo located?
Gracie Alleyne-popo practices at 1419 Hancock St Ste 300, Quincy, MA 02169. The listed phone number is (617) 328-0639.
What is Gracie Alleyne-popo's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Gracie Alleyne-popo enrolled in Medicare?
Yes. Gracie Alleyne-popo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gracie Alleyne-popo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gracie Alleyne-popo reassigns Medicare benefits to Natchaug Hospital, Inc. (Mansfield Center, CT). 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 Gracie Alleyne-popo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gracie Alleyne-popo was last updated on March 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.
# Gracie Vanessa Alleyne-Popo · NPI 1780145409
Addiction (Substance Use Disorder) provider in Quincy, Massachusetts. Individual provider, active in the CMS NPPES registry since March 26, 2019.
## Identity
- **NPI:** 1780145409 (Entity type: Individual)
- **Enumerated:** March 26, 2019
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **Sole proprietor:** No
## Practice location
- **Address:** 1419 HANCOCK ST STE 300, Quincy, MA 02169-5250
- **Phone:** (617) 328-0639
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Natchaug Hospital, Inc. (NPI 1295811321, Mansfield Center, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 26, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1780145409) · Data from the CMS NPPES public registry.