DR. THOMAS DAVID ONORATO PH.D.
NPI 1871661488
Clinical Neuropsychologist in Marina Del Rey, CA

Active since December 01, 2006PECOS Enrolled
4560 ADMIRALTY WAY, STE. 353, MARINA DEL REY, CA 90292(310) 338-9002(310) 642-0856 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Thomas David Onorato Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS DAVID ONORATO PH.D. (NPI 1871661488) is an individual clinical neuropsychologist in Marina Del Rey, California, licensed in California (PSY11518) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1987).

NPPES Registry Identity

NPI1871661488
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameDR. THOMAS DAVID ONORATOCredential: PH.D.
Location Address4560 ADMIRALTY WAY, STE. 353Marina Del Rey, CA 90292-5423
Mailing Address4560 Admiralty Way, Ste. 353Marina Del Rey, CA 90292-5423 · (310) 338-9002 · Fax (310) 642-0856
Fax(310) 642-0856
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1987
Enumeration DateDecember 1, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1871661488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in CA · PSY11518
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologistTaxonomy 103T00000X · License PSY11518 (CA)

Other Identifiers 1

MedicaidPSY115180CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas David Onorato Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002822004
PECOS Enrollment IDI20060228000797
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Thomas Onorato reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
4560 ADMIRALTY WAY, STE. 353
Marina Del Rey, CA 90292
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Thomas Onorato Phd Inc

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Chiropractor
4560 ADMIRALTY WAY, SUITE 252
MARINA DEL REY, CA 90292
Podiatrist (Foot & Ankle Surgery)
4560 ADMIRALTY WAY, SUITE 201
MARINA DEL REY, CA 90292
Chiropractor
4560 ADMIRALTY WAY, SUITE 252
MARINA DEL REY, CA 90292
Obstetrics & Gynecology
4560 ADMIRALTY WAY, 303
MARINA DEL REY, CA 90292
Podiatrist
4560 ADMIRALTY WAY, SUITE 351
MARINA DEL REY, CA 90292
Plastic Surgery
4560 ADMIRALTY WAY
MARINA DEL REY, CA 90292
Emergency Medicine
4560 ADMIRALTY WAY, 100
MARINA DEL REY, CA 90292
Clinic/Center (Podiatric)
4560 ADMIRALTY WAY, SUITE 351
MARINA DEL REY, CA 90292

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 Thomas Onorato's NPI number?

The NPI number for Thomas Onorato is 1871661488. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is Thomas Onorato located?

Thomas Onorato practices at 4560 Admiralty Way Ste. 353, Marina Del Rey, CA 90292. The listed phone number is (310) 338-9002.

What is Thomas Onorato's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Thomas Onorato enrolled in Medicare?

Yes. Thomas Onorato is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thomas Onorato's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Onorato reassigns Medicare benefits to Thomas Onorato, Ph.D., Inc. (Marina Del Rey, 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 Thomas Onorato'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 Thomas Onorato was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.