RALPH BIEBER PSYCHOLOGIST PC
NPI 1164727533
Psychologist in Oyster Bay, NY
About Ralph Bieber Psychologist Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RALPH BIEBER PSYCHOLOGIST PC (NPI 1164727533) is a healthcare organization registered as a psychologist in Oyster Bay, New York and active in the NPI registry since January 2011. The organization lists Ralph Bieber, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Ralph Bieber Psychologist Pc 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 Ralph Bieber Psychologist PC, 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 Ralph Bieber Psychologist PC's NPI number?
The NPI number for Ralph Bieber Psychologist PC is 1164727533. It was assigned to this organization in the NPPES registry on January 17, 2011.
Where is Ralph Bieber Psychologist PC located?
Ralph Bieber Psychologist PC is located at 150 South St, Oyster Bay, NY 11771. The listed phone number is (516) 624-8400.
What is Ralph Bieber Psychologist PC's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Ralph Bieber Psychologist PC enrolled in Medicare?
Yes. Ralph Bieber Psychologist PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ralph Bieber Psychologist PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Ralph Bieber Psychologist PC. 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 Ralph Bieber Psychologist PC was last updated on January 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.