DR. DANIEL J DILORENZO MD, PHD
NPI 1851546600
Neurological Surgery in Loma Linda, CA
About Dr. Daniel J Dilorenzo Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL J DILORENZO MD, PHD (NPI 1851546600) is an individual neurological surgery provider in Loma Linda, California, licensed in California (C153466) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of Harvard Medical School (1999).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Dr. Daniel J Dilorenzo Md, Phd 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
2Medicare enrollment records show Daniel Dilorenzo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Loma Linda, CA 92354
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
San Bernardino, CA 92408
- Reassigned Medicare billing, California enrollment
- 455 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 92354 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Daniel Dilorenzo's NPI number?
The NPI number for Daniel Dilorenzo is 1851546600. It was assigned to this individual provider in the NPPES registry on November 20, 2008.
Where is Daniel Dilorenzo located?
Daniel Dilorenzo practices at 25455 Barton Rd Ste 108A, Loma Linda, CA 92354. The listed phone number is (909) 558-6388.
What is Daniel Dilorenzo's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Daniel Dilorenzo enrolled in Medicare?
Yes. Daniel Dilorenzo 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 Daniel Dilorenzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Dilorenzo reassigns Medicare benefits to 2 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA) and Sac Health System (San Bernardino, CA). 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 Daniel Dilorenzo'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 Daniel Dilorenzo was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.