Dr. John Frederick M.D.
About this NPIWhat this record shows.
NPI 1598027153 is registered to Dr. John Frederick M.D., a Hospitalist practising at 24 Joliet St in Dyer, Indiana. Hospitalist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. John Frederick M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2012.
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
Other
- F400244803IL· Issued by MEDICARE PTAN
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20210914001735Internal MedicineFL
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 Dr. John Frederick M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. John Frederick M.D. directly at (219) 865-2141.
Frequently asked
Yes. NPI 1598027153 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hospitalist 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 (219) 865-2141.
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. Dr. John Frederick M.D. is a Type-1 individual NPI.