GREGORY GABRELLAS M.D.
NPI 1356872402
Psychiatry & Neurology - Psychiatry in Los Angeles, CA
About Gregory Gabrellas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY GABRELLAS M.D. (NPI 1356872402) is an individual psychiatry provider in Los Angeles, California, licensed in New York (312689) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Bellevue Hospital Center, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gregory Gabrellas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Gregory Gabrellas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bellevue Hospital Center
Acute Care Hospitals · New York, NYNyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90024 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.
LOS ANGELES, CA 90024
LOS ANGELES, CA 90024
LOS ANGELES, CA 90024
LOS ANGELES, CA 90024
LOS ANGELES, CA 90024
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 Gregory Gabrellas's NPI number?
The NPI number for Gregory Gabrellas is 1356872402. It was assigned to this individual provider in the NPPES registry on March 21, 2017.
Where is Gregory Gabrellas located?
Gregory Gabrellas practices at 760 Westwood Plz Ste. 37-384, Ucla Psychiatry Housestaff Office, Los Angeles, CA 90024. The listed phone number is (310) 825-1289.
What is Gregory Gabrellas's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Gregory Gabrellas enrolled in Medicare?
Yes. Gregory Gabrellas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Gabrellas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Gabrellas reassigns Medicare benefits to 3 organizations: New York University (Boynton Beach, FL), Physician Affiliate Group Of New York PC (New York, NY) and Downtown Bronx Medical Associates PC (Bronx, NY). 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 Gregory Gabrellas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Gabrellas affiliated with any hospitals?
According to CMS data, Gregory Gabrellas is affiliated with Bellevue Hospital Center and Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Gregory Gabrellas was last updated on April 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.