MARIA D. RUIZ APRN
NPI 1821575929
Nurse Practitioner - Psychiatric/Mental Health in Windsor, CT
About Maria D. Ruiz Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA D. RUIZ APRN (NPI 1821575929) is an individual psychiatric/mental health provider in Windsor, Connecticut, licensed in Connecticut (007529) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Maria D. Ruiz Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Maria Ruiz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- Also billed through NPI 1295980787 (Connecticut)
- 21 clinicians in this Medicare group
Denver, CO 80202
- Reassigned Medicare billing, Connecticut enrollment
- 27 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 06095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WINDSOR, CT 06095
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 Maria Ruiz's NPI number?
The NPI number for Maria Ruiz is 1821575929. It was assigned to this individual provider in the NPPES registry on July 23, 2018. The provider is also known as Maria Ruiz Aprn.
Where is Maria Ruiz located?
Maria Ruiz practices at 378 Windsor Ave, Windsor, CT 06095. The listed phone number is (860) 219-2095.
What is Maria Ruiz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Maria Ruiz enrolled in Medicare?
Yes. Maria Ruiz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maria Ruiz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Ruiz reassigns Medicare benefits to 2 organizations: Catholic Charities, Inc. - Archdiocese Of Hartford (Hartford, CT) and Sondermind Provider Network LLC (Denver, CO). 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 Maria Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Ruiz accept?
Health plans from Providence Health Plan list Maria Ruiz 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 Maria Ruiz was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Maria D. Ruiz, APRN · NPI 1821575929
Psychiatric/Mental Health physician in Windsor, Connecticut. Individual provider, active in the CMS NPPES registry since July 23, 2018.
## Identity
- **NPI:** 1821575929 (Entity type: Individual)
- **Enumerated:** July 23, 2018
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 007529 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 378 WINDSOR AVE, Windsor, CT 06095-4551
- **Phone:** (860) 219-2095
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Catholic Charities, Inc. - Archdiocese Of Hartford (NPI 1467545251, Hartford, CT); Sondermind Provider Network LLC (NPI 1760854442, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 18, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1821575929) · Data from the CMS NPPES public registry.