JUSTINE DIMARIA
NPI 1457115040
Counselor - Addiction (Substance Use Disorder) in Greenwich, CT
About Justine Dimaria NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTINE DIMARIA (NPI 1457115040) is an individual addiction (substance use disorder) provider in Greenwich, Connecticut, licensed in Connecticut (1528) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Justine Dimaria is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Justine Dimaria reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06511
- Reassigned Medicare billing, Connecticut enrollment
- 9 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Justine Dimaria's NPI number?
The NPI number for Justine Dimaria is 1457115040. It was assigned to this individual provider in the NPPES registry on February 13, 2024.
Where is Justine Dimaria located?
Justine Dimaria practices at 177 W Putnam Ave, Greenwich, CT 06830. The listed phone number is (203) 559-5970.
What is Justine Dimaria's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Justine Dimaria enrolled in Medicare?
Yes. Justine Dimaria is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Justine Dimaria's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justine Dimaria reassigns Medicare benefits to Prosperity Counseling LLC (New Haven, 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 Justine Dimaria'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 Justine Dimaria was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Justine Dimaria · NPI 1457115040
Addiction (Substance Use Disorder) provider in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since February 13, 2024.
## Identity
- **NPI:** 1457115040 (Entity type: Individual)
- **Enumerated:** February 13, 2024
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** 1528 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 177 W PUTNAM AVE, Greenwich, CT 06830-5203
- **Phone:** (203) 559-5970
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Prosperity Counseling LLC (NPI 1700417441, New Haven, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 21, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1457115040) · Data from the CMS NPPES public registry.