Steven Posar MD
About this NPIWhat this record shows.
NPI 1154308575 is registered to Steven Posar MD, a Internal Medicine practising at 2100 N Main St Ste 304 in Crown Point, Indiana. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Steven Posar 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
- T2472TX· Issued by STATE LICENSE
- 35.138677OH· Issued by STATE LICENSE
- 68641TN· Issued by STATE LICENSE
Source: NPPES public registry.
Medicare enrollment
This provider holds 10 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
- I20100806000503Internal MedicineIN
- I20160108001254Internal MedicineMI
- I20200226002579Internal MedicineKY
- I20200811001672Internal MedicineOH
- I20210618000646Internal MedicineIL
- I20210811004535Internal MedicineTX
- I20231229002719Internal MedicineTN
- I20251014002399Internal MedicinePA
- I20260107000780Internal MedicineKS
- I20260221000899Internal MedicineMO
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 Steven Posar MD accepts. To confirm in-network status with your specific health plan, contact Steven Posar MD directly at (574) 546-1900.
Frequently asked
Yes. NPI 1154308575 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 (574) 546-1900.
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. Steven Posar MD is a Type-1 individual NPI.