DR. SHERIF R TOMA PSY.D.
NPI 1336270305
Psychologist in Ontario, CA
About Dr. Sherif R Toma Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHERIF R TOMA PSY.D. (NPI 1336270305) is an individual psychologist in Ontario, California, licensed in California (PSY23960) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Dimas.
NPPES Registry Identity
Specialties & Licenses 7
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)
Dr. Sherif R Toma Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sherif Toma reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ontario, CA 91764
- Reassigned Medicare billing, California enrollment
- 27 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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ONTARIO, CA 91764
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 Sherif Toma's NPI number?
The NPI number for Sherif Toma is 1336270305. It was assigned to this individual provider in the NPPES registry on March 8, 2007.
Where is Sherif Toma located?
Sherif Toma practices at 3333 Concours Bldg 8, Ontario, CA 91764. The listed phone number is (909) 295-5805.
What is Sherif Toma's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Sherif Toma enrolled in Medicare?
Yes. Sherif Toma is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sherif Toma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sherif Toma reassigns Medicare benefits to Thrive Psychological Services Inc (Ontario, 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 Sherif Toma'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 Sherif Toma was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.