COREY NGOY MD
NPI 1285216739
Psychiatry & Neurology - Psychiatry in Norwalk, CA
About Corey Ngoy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COREY NGOY MD (NPI 1285216739) is an individual psychiatry provider in Norwalk, California, licensed in California (A192609) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Torrance.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Corey Ngoy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Corey Ngoy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norwalk, CA 90650
- Reassigned Medicare billing, California enrollment
- 755 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90650 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.
NORWALK, CA 90650
NORWALK, CA 90650
NORWALK, CA 90650
NORWALK, CA 90650
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 Corey Ngoy's NPI number?
The NPI number for Corey Ngoy is 1285216739. It was assigned to this individual provider in the NPPES registry on April 24, 2021.
Where is Corey Ngoy located?
Corey Ngoy practices at 11401 Bloomfield Ave, Norwalk, CA 90650. The listed phone number is (562) 863-7011.
What is Corey Ngoy's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Corey Ngoy enrolled in Medicare?
Yes. Corey Ngoy is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Corey Ngoy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Corey Ngoy reassigns Medicare benefits to Department Of State Hospitals (Norwalk, CA). The 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 Corey Ngoy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Corey Ngoy was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.