Michael Hartmann MD
About this NPIWhat this record shows.
NPI 1013073253 is registered to Michael Hartmann MD, a Emergency Medicine practising at 801 S Washington St in Naperville, Illinois. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Michael Hartmann MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- HARTMMI4WI· Issued by MERCYCARE INSURANCE
- 1013073253WI· Issued by BCBSWI
- 000054176-K400095937WI· Issued by WI MEDICARE
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 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
- I20041102000057Emergency MedicineIL
- I20131011000349Emergency MedicineWI
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 Michael Hartmann MD accepts. To confirm in-network status with your specific health plan, contact Michael Hartmann MD directly at (630) 527-3000.
Frequently asked
Yes. NPI 1013073253 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medicine 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 (630) 527-3000.
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 Hartmann MD is a Type-1 individual NPI.