FARRELL PSYCHOLOGICAL SERVICES, PLLC
NPI 1952775934
Psychologist in Port Jefferson, NY
About Farrell Psychological Services, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FARRELL PSYCHOLOGICAL SERVICES, PLLC (NPI 1952775934) is a healthcare organization registered as a psychologist in Port Jefferson, New York and active in the NPI registry since November 2015. The organization lists Frank Farrell, Psychologist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 13
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Farrell Psychological Services, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Farrell Psychological Services, PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Farrell Psychological Services, PLLC's NPI number?
The NPI number for Farrell Psychological Services, PLLC is 1952775934. It was assigned to this organization in the NPPES registry on November 13, 2015.
Where is Farrell Psychological Services, PLLC located?
Farrell Psychological Services, PLLC is located at 646 Main St, Port Jefferson, NY 11777. The listed phone number is (631) 901-7777.
What is Farrell Psychological Services, PLLC's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Farrell Psychological Services, PLLC enrolled in Medicare?
Yes. Farrell Psychological Services, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Farrell Psychological Services, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Farrell Psychological Services, PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Farrell Psychological Services, PLLC was last updated on November 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.