Dennis Tieszen OD
About this NPIWhat this record shows.
NPI 1952452831 is registered to Dennis Tieszen OD, a Optometrist practising at 999 Home Plz, Suite 100 in Waterloo, Iowa. Optometrist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dennis Tieszen OD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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
- 0117267IA
Other
- 18418IA· Issued by BLUE CROSS BLUE SHIELD
- 410030429IA· Issued by MEDICARE ID
- CG4244IA· Issued by MEDICARE ID
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 Dennis Tieszen OD accepts. To confirm in-network status with your specific health plan, contact Dennis Tieszen OD directly at (319) 236-0815.
Frequently asked
Yes. NPI 1952452831 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Optometrist 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 (319) 236-0815.
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 Tieszen OD is a Type-1 individual NPI.