JAMES W. SILVERTHORN M.D.
NPI 1780662080
Neurological Surgery in Sacramento, CA
About James W. Silverthorn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES W. SILVERTHORN M.D. (NPI 1780662080) is an individual neurological surgery provider in Sacramento, California, licensed in California (20A7850) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2000).
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
James W. Silverthorn 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 James Silverthorn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 266 clinicians in this Medicare group
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Sherman Oaks, CA 91403
- Reassigned Medicare billing, California enrollment
- 6 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 95817 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.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 James Silverthorn's NPI number?
The NPI number for James Silverthorn is 1780662080. It was assigned to this individual provider in the NPPES registry on January 6, 2006.
Where is James Silverthorn located?
James Silverthorn practices at 4860 Y St Suite #3740 Department Of Neurological Surgery, Sacramento, CA 95817. The listed phone number is (916) 734-3071.
What is James Silverthorn's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is James Silverthorn enrolled in Medicare?
Yes. James Silverthorn 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 James Silverthorn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Silverthorn reassigns Medicare benefits to 3 organizations: Acute Care Surgery Medical Group, Inc. (Sacramento, CA), Permanente Medical Group Inc (Stockton, CA) and Total Spine Institute Inc (Sherman Oaks, 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 James Silverthorn'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 James Silverthorn was last updated on December 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.