Sylvain S. Silberstein, M.D.
Internal Medicine Physician · Van Nuys, CA
Sylvain S. Silberstein, M.D. is an internal medicine physician with a practice address in Van Nuys, California, and NPI 1710038427, issued on Jan 16, 2007. Check the license (California G22959, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sylvain S. Silberstein
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G22959 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15211 Vanowen St, Van Nuys, CA 91405
- Phone
- (818) 778-1920
- Enumerated
- Jan 16, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (818) 787-8804
- Medicare enrollment
- Enrolled (PECOS I20051108001068); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1967
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 15211 Vanowen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sylvain S. Silberstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G22959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average internal medicine physician in 2024
4,320 Medicare Part D claims for 335 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 78 claims were for opioids.
Most prescribed
- Levothyroxine Sodium270 claims
- Atorvastatin Calcium172 claims
- Amlodipine Besylate171 claims
- Losartan Potassium142 claims
- Metformin Hcl141 claims
- Simvastatin139 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 14.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $420.97
19 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Jpb Medical Group IncVan Nuys, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sylvain S. Silberstein among 17,696 internal medicine physician records in California
Sylvain S. Silberstein, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1967 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 internal medicine physician records list a practice address in Van Nuys
They are 40 of the 4,323 NPPES records with a practice address in Van Nuys, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Van Nuys → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eliza Ahn, M.D.Van Nuys, CA 914051356450498
- Kook Chang, M.D.Van Nuys, CA 914051356442354
- Mindy Cheng, M.D.Van Nuys, CA 914051689686669
- Jeffrey Chong, M.D.Van Nuys, CA 914051376644542
- Karl Kaplan, M.D.Van Nuys, CA 914051881698702
- David Lee, M.D.Van Nuys, CA 914051619065257
- Matthew Mischel, M.D.Van Nuys, CA 914051013996172
- Mitchell Nishimoto, M.D.Van Nuys, CA 914051003917287
Common questions
What is Sylvain S. Silberstein, M.D.'s NPI number?
Sylvain S. Silberstein, M.D.'s National Provider Identifier (NPI) is 1710038427, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sylvain S. Silberstein, M.D. located?
The NPPES record lists a practice address at 15211 Vanowen St, Van Nuys, CA, 91405. Phone: (818) 778-1920. Providers update this record themselves, so call before visiting.
How can I verify Sylvain S. Silberstein, M.D.'s license?
NPPES lists California license number G22959, 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.
How much does Sylvain S. Silberstein, M.D. prescribe under Medicare Part D?
In 2024, Sylvain S. Silberstein, M.D. had 4,320 Medicare Part D claims for 335 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sylvain S. Silberstein, M.D.'s MIPS final score?
The 2023 MIPS final score is 14.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.