James W. Silverthorn, M.D.
Neurological Surgery Physician · Sacramento, CA
James W. Silverthorn, M.D. is a neurological surgery physician with a practice address in Sacramento, California, and NPI 1780662080, issued on Jan 6, 2006. Check the license (California 20A7850, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James W. Silverthorn
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 20A7850 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St, Sacramento, CA 95817
- Phone
- (916) 734-3071
- Enumerated
- Jan 6, 2006
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (916) 452-2580
- Medicare enrollment
- Enrolled (PECOS I20041123000568); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2000
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 4860 Y St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carol Albanese, M.D.Physical Medicine & Rehabilitation Physician1992786016
- Wesam AldulemeRegistered Respiratory Therapist1881176543
- Fatima Ali, MDAllergy & Immunology (Internal Medicine) Physician1093045023
Verify James W. Silverthorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $3,055.38
36 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Acute Care Surgery Medical Group IncCarmichael, CA
- Permanente Medical Group IncSacramento, CA
- Total Spine Institute IncSherman Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James W. Silverthorn among 929 neurological surgery physician records in California
James W. Silverthorn, M.D. is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 62% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2000 · median 2005 among the 612 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
All 929 in California → Every provider in Sacramento → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- James Boggan, M.D.Sacramento, CA 958171548243421
- Christine Boudreau, M.D.Sacramento, CA 958171497949838
- Kawanaa Carter, M.D.Sacramento, CA 958171639157894
- Huy Duong, M.D.Sacramento, CA 958171083692313
- Michael Edwards, MDSacramento, CA 958171619051034
- Mark FedorSacramento, CA 958171710965009
- Alison HoSacramento, CA 958171245628510
- Kee Kim, M.D.Sacramento, CA 958171568445476
Common questions
What is James W. Silverthorn, M.D.'s NPI number?
James W. Silverthorn, M.D.'s National Provider Identifier (NPI) is 1780662080, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James W. Silverthorn, M.D. located?
The NPPES record lists a practice address at 4860 Y St, Sacramento, CA, 95817. Phone: (916) 734-3071. Providers update this record themselves, so call before visiting.
How can I verify James W. Silverthorn, M.D.'s license?
NPPES lists California license number 20A7850, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.