Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Neurosurgery

James W. Silverthorn, DO

Works at hospitals in Sacramento, CA · California

Summary

James W. Silverthorn, DO (Neurosurgery) is listed by Medicare at 1 hospital in Sacramento, CA. NPI 1780662080. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James W. Silverthorn, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
University Of North Texas Hsc, College Of Osteopathic MedMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice (+2 more)

Quick answers

Which hospitals does James W. Silverthorn work at?
Medicare's official clinician data lists James W. Silverthorn at 1 hospital: Mercy General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James W. Silverthorn see patients?
Medicare's clinician data lists 5 practice locations, including Sacramento, CA, Rancho Cordova, CA and Sherman Oaks, CA. Call before your visit to confirm the address.
What is James W. Silverthorn's specialty?
Medicare lists Neurosurgery as the primary specialty.
Does James W. Silverthorn accept Medicare assignment?
Yes. Medicare's clinician data says James W. Silverthorn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for James W. Silverthorn?
(916) 973-5000, as listed in official Medicare / NPI Registry data.
What is James W. Silverthorn's NPI number?
1780662080. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James W. Silverthorn works

Medicare's Facility Affiliation Data lists James W. Silverthorn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James W. Silverthorn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James W. Silverthorn as a member of these groups (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group
  • Acute Care Surgery Medical Group Inc204 clinicians in the group
  • Total Spine Institute Inc3 clinicians in the group

Specialties

Find other Neurosurgery doctors in California →

Other neurosurgeons in Sacramento

Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.

All neurosurgeons in Sacramento →

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780662080
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians