Michael E. Kostelnik, MD PA
About this NPIWhat this record shows.
NPI 1508049115 is registered to Michael E. Kostelnik, MD PA, a healthcare organisation classified as "Internal Medicine" and located at 52 Main St, Unit One in Succasunna, New Jersey. The organisation's authorised official is Michael Kostelnik. 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
- 2207401NJ
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 Michael E. Kostelnik, MD PA accepts. To confirm in-network status with your specific health plan, contact Michael E. Kostelnik, MD PA directly at (973) 584-1405.
Frequently asked
Yes. NPI 1508049115 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 (973) 584-1405.
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. Michael E. Kostelnik, MD PA is a Type-2 organisational NPI.