PATRICIA NGARUIYA PMHNP-BC
NPI 1548593288
Nurse Practitioner - Psychiatric/Mental Health in Lexington, MA
About Patricia Ngaruiya Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICIA NGARUIYA PMHNP-BC (NPI 1548593288) is an individual psychiatric/mental health provider in Lexington, Massachusetts, licensed in Massachusetts (2022152052) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS, is affiliated with Emerson Hospital -, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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)
Patricia Ngaruiya Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Patricia Ngaruiya reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lexington, MA 02421
- Reassigned Medicare billing, Massachusetts enrollment
- 167 clinicians in this Medicare group
Chelmsford, MA 01824
- Reassigned Medicare billing, Massachusetts enrollment
- 38 clinicians in this Medicare group
Needham, MA 02492
- Reassigned Medicare billing, Massachusetts enrollment
- 240 clinicians in this Medicare group
Lawrence, MA 01840
- Reassigned Medicare billing, Massachusetts enrollment
- 4 clinicians in this Medicare group
Lawrence, MA 01840
- Reassigned Medicare billing, Massachusetts enrollment
- 3 clinicians in this Medicare group
New Bedford, MA 02740
- Reassigned Medicare billing, Massachusetts enrollment
- 196 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 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emerson Hospital -
Acute Care Hospitals · W Concord, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02421 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 Patricia Ngaruiya's NPI number?
The NPI number for Patricia Ngaruiya is 1548593288. It was assigned to this individual provider in the NPPES registry on September 14, 2009.
Where is Patricia Ngaruiya located?
Patricia Ngaruiya practices at 125 Hartwell Ave, Lexington, MA 02421. The listed phone number is (781) 643-9944.
What is Patricia Ngaruiya's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Patricia Ngaruiya enrolled in Medicare?
Yes. Patricia Ngaruiya is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Patricia Ngaruiya's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Ngaruiya reassigns Medicare benefits to 6 organizations: Eliot Community Human Services (Lexington, MA), Comprehensive Health Services LLC (Chelmsford, MA), Supportive Behavioral Care Of Ma LLC (Needham, MA), Aca Family Counseling Services Inc (Lawrence, MA), Keypath Inc (Lawrence, MA) and 1 more organization, listed in the Medicare section above. 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 Patricia Ngaruiya's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patricia Ngaruiya accept?
Health plans from Anthem Blue Cross and Blue Shield list Patricia Ngaruiya 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.
Is Patricia Ngaruiya affiliated with any hospitals?
According to CMS data, Patricia Ngaruiya is affiliated with Emerson Hospital -.
When was this NPI record last updated?
The NPPES record for Patricia Ngaruiya was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.