Dennis Prohaska D. O.
About this NPIWhat this record shows.
NPI 1689651010 is registered to Dennis Prohaska D. O., a Diagnostic Radiology practising at 1516 S Wabash Ave, Apt 1104 in Chicago, Illinois. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Dennis Prohaska D. O. 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
- 41994500WI
Source: NPPES public registry.
Medicare enrollment
This provider holds 3 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
- I20160728002440Interventional RadiologyIN
- I20190822000191Interventional RadiologyIL
- I20250903003562Diagnostic RadiologyWI
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 Dennis Prohaska D. O. accepts. To confirm in-network status with your specific health plan, contact Dennis Prohaska D. O. directly at (414) 870-5178.
Frequently asked
Yes. NPI 1689651010 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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 (414) 870-5178.
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. Dennis Prohaska D. O. is a Type-1 individual NPI.