DR. NATHAN RICHARD SILVESTRI M.D.
NPI 1124447321
Emergency Medicine in Loma Linda, CA
About Dr. Nathan Richard Silvestri M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHAN RICHARD SILVESTRI M.D. (NPI 1124447321) is an individual emergency medicine provider in Loma Linda, California, licensed in California (A137906) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 2
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. Nathan Richard Silvestri 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 Nathan Silvestri reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 73 clinicians in this Medicare group
Roseville, CA 95661
- Reassigned Medicare billing, California enrollment
- 40 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
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 Nathan Silvestri's NPI number?
The NPI number for Nathan Silvestri is 1124447321. It was assigned to this individual provider in the NPPES registry on April 15, 2014.
Where is Nathan Silvestri located?
Nathan Silvestri practices at 11234 Anderson St Llu Medical Center- Department Of Emergency Medicine, Loma Linda, CA 92354. The listed phone number is (909) 558-4085.
What is Nathan Silvestri's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nathan Silvestri enrolled in Medicare?
Yes. Nathan Silvestri 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 Nathan Silvestri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Silvestri reassigns Medicare benefits to 3 organizations: Cep America - California (Redlands, CA), Vituity-California Observation Services PC (Sacramento, CA) and Vitalen Inpatient Care PC (Roseville, 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 Nathan Silvestri'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 Nathan Silvestri was last updated on June 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Nathan Richard Silvestri, M.D. · NPI 1124447321
Emergency Medicine physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since April 15, 2014.
## Identity
- **NPI:** 1124447321 (Entity type: Individual)
- **Enumerated:** April 15, 2014
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A137906 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11234 ANDERSON ST, LLU MEDICAL CENTER- DEPARTMENT OF EMERGENCY MEDICINE, Loma Linda, CA 92354-2804
- **Phone:** (909) 558-4085
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1619926771, Redlands, CA); Vituity-California Observation Services PC (NPI 1447148705, Sacramento, CA); Vitalen Inpatient Care PC (NPI 1134069198, Roseville, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** June 17, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1124447321) · Data from the CMS NPPES public registry.