MACKENZIE STEWART LCSW
NPI 1275027468
Social Worker - Clinical in Glens Falls, NY
About Mackenzie Stewart Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACKENZIE STEWART LCSW (NPI 1275027468) is an individual clinical provider in Glens Falls, New York, licensed in New York (092575) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mackenzie Stewart Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mackenzie Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11249
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Valera Medical PC
- 315 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
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 Mackenzie Stewart's NPI number?
The NPI number for Mackenzie Stewart is 1275027468. It was assigned to this individual provider in the NPPES registry on June 20, 2018. The provider is also known as Mackenzie Wiggins Lcsw.
Where is Mackenzie Stewart located?
Mackenzie Stewart practices at 84 Broad St Suite 2, Glens Falls, NY 12801. The listed phone number is (518) 636-5284.
What is Mackenzie Stewart's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mackenzie Stewart enrolled in Medicare?
Yes. Mackenzie Stewart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mackenzie Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Stewart reassigns Medicare benefits to Valera Medical, P.C. (Brooklyn, NY). 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 Mackenzie Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mackenzie Stewart accept?
Health plans from Oscar Health list Mackenzie Stewart 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 Mackenzie Stewart was last updated on April 4, 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.
# Mackenzie Stewart, LCSW · NPI 1275027468
Clinical provider in Glens Falls, New York. Individual provider, active in the CMS NPPES registry since June 20, 2018.
## Identity
- **NPI:** 1275027468 (Entity type: Individual)
- **Enumerated:** June 20, 2018
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 092575 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 84 BROAD ST, SUITE 2, Glens Falls, NY 12801-4413
- **Phone:** (518) 636-5284
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Valera Medical, P.C. (NPI 1437782349, Brooklyn, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** April 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1275027468) · Data from the CMS NPPES public registry.