Jan Winetz MD
About this NPIWhat this record shows.
NPI 1790777852 is registered to Jan Winetz MD, a Nephrology Physician practising at 2505 Samaritan Dr, Ste 405 in San Jose, California. Nephrology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Jan Winetz MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20110718000674Internal MedicineCA
- I20251116000147Internal MedicineNV
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Jan Winetz MD accepts. To confirm in-network status with your specific health plan, contact Jan Winetz MD directly at (408) 356-8133.
Frequently asked
Yes. NPI 1790777852 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nephrology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (408) 356-8133.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Jan Winetz MD is a Type-1 individual NPI.