KETSIA MARIE GUERRIER
NPI 1881878866
Nurse Practitioner - Psychiatric/Mental Health in New York, NY
About Ketsia Marie Guerrier NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KETSIA MARIE GUERRIER (NPI 1881878866) is an individual psychiatric/mental health provider in New York, New York, licensed in New York (403733) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Group Practice 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 (PECOS)
Ketsia Marie Guerrier is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Ketsia Guerrier reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10030
- Reassigned Medicare billing, New York enrollment
- 49 clinicians in this Medicare group
Brooklyn, NY 11201
- Reassigned Medicare billing, New York enrollment
- 76 clinicians in this Medicare group
Brooklyn, NY 11238
- Reassigned Medicare billing, New York enrollment
- 31 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10027 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 3
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 Ketsia Guerrier's NPI number?
The NPI number for Ketsia Guerrier is 1881878866. It was assigned to this individual provider in the NPPES registry on December 26, 2007.
Where is Ketsia Guerrier located?
Ketsia Guerrier practices at 306 Malcolm X Blvd, New York, NY 10027. The listed phone number is (212) 803-2850.
What is Ketsia Guerrier's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Ketsia Guerrier enrolled in Medicare?
Yes. Ketsia Guerrier is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ketsia Guerrier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ketsia Guerrier reassigns Medicare benefits to 3 organizations: Upper Room Aids Ministry, Inc. Adult Day Health Care Center. (New York, NY), Catholic Charities Neighborhood Services, Inc. (Brooklyn, NY) and Sus Mental Health Programs, Inc. (Brooklyn, NY). Each 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 Ketsia Guerrier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ketsia Guerrier accept?
Health plans from Oscar Health list Ketsia Guerrier 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 Ketsia Guerrier was last updated on August 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ketsia Marie Guerrier · NPI 1881878866
Psychiatric/Mental Health physician in New York, New York. Individual provider, active in the CMS NPPES registry since December 26, 2007.
## Identity
- **NPI:** 1881878866 (Entity type: Individual)
- **Enumerated:** December 26, 2007
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 403733 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 306 MALCOLM X BLVD, New York, NY 10027-4465
- **Phone:** (212) 803-2850
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Upper Room Aids Ministry, Inc. Adult Day Health Care Center. (NPI 1417986340, New York, NY); Catholic Charities Neighborhood Services, Inc. (NPI 1548373921, Brooklyn, NY); Sus Mental Health Programs, Inc. (NPI 1053696195, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 2, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1881878866) · Data from the CMS NPPES public registry.