Leonard Zimmerman MD
About this NPIWhat this record shows.
NPI 1962496935 is registered to Leonard Zimmerman MD, a Internal Medicine practising at 2 Crosfield Ave, Suite 318 in West Nyack, New York. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Leonard Zimmerman 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.
Other
- M101118· Issued by AETNA/USHC
- 0009322· Issued by GHI
- M4473575· Issued by AETNA
- W07721· Issued by MEDICARE
- 02242088· Issued by MEDICAID
Medicaid
- 00186801NY
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 Leonard Zimmerman MD accepts. To confirm in-network status with your specific health plan, contact Leonard Zimmerman MD directly at (845) 353-5600.
Frequently asked
Yes. NPI 1962496935 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 (845) 353-5600.
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. Leonard Zimmerman MD is a Type-1 individual NPI.