Dr. John Hartmann D.O.
About this NPIWhat this record shows.
NPI 1154394989 is registered to Dr. John Hartmann D.O., a Specialist practising at 1500 Delhi St, Ste 4100 in Dubuque, Iowa. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. John Hartmann D.O. 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.
Other
- 080087202IA· Issued by RAILROAD MEDICARE
- 421462387IA· Issued by MISCELLANEOUS INSURANCE
- 1154394989IA· Issued by NPI
- 11539IA· Issued by DEAN HEALTHCARE
- 55309IA· Issued by WELLMARK BCBS NUMBER
- IA0105IA· Issued by JOHN DEERE HEALTHCARE
Medicaid
- 2186619IA
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 Dr. John Hartmann D.O. accepts. To confirm in-network status with your specific health plan, contact Dr. John Hartmann D.O. directly at (563) 557-5900.
Frequently asked
Yes. NPI 1154394989 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (563) 557-5900.
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 Hartmann D.O. is a Type-1 individual NPI.