John Michalak M.D.
About this NPIWhat this record shows.
NPI 1497727663 is registered to John Michalak M.D., a Hematology & Oncology practising at 230 Nebraska St in Sioux City, Iowa. Hematology & Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Michalak M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- 0171322IA
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 John Michalak M.D. accepts. To confirm in-network status with your specific health plan, contact John Michalak M.D. directly at (712) 252-0088.
Frequently asked
Yes. NPI 1497727663 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hematology & Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (712) 252-0088.
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. John Michalak M.D. is a Type-1 individual NPI.