Mark R Winkler MD PA Professional Corporation
About this NPIWhat this record shows.
NPI 1336366202 is registered to Mark R Winkler MD PA Professional Corporation, a healthcare organisation classified as "Internal Medicine" and located at 14366 Shawnee St in Moorpark, California. The organisation's authorised official is Mark Winkler. The organisation has been enumerated in the NPI registry since 2007.
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
- 00G77560CA
Source: NPPES public registry.
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 Mark R Winkler MD PA Professional Corporation accepts. To confirm in-network status with your specific health plan, contact Mark R Winkler MD PA Professional Corporation directly at (818) 882-5375.
Frequently asked
Yes. NPI 1336366202 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (818) 882-5375.
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. Mark R Winkler MD PA Professional Corporation is a Type-2 organisational NPI.