Theresa Brennan MD
Also known as
- Formerly known asHerbst, Theresa Marie
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1063400620 is registered to Theresa Brennan MD, a Cardiovascular Disease practising at 200 Hawkins Dr in Iowa City, Iowa. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. Theresa Brennan MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
- 52299IA· Issued by WELLMARK BCBS
Medicaid
- 0130765IA
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
- I20070301000000Interventional CardiologyIA
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 Theresa Brennan MD accepts. To confirm in-network status with your specific health plan, contact Theresa Brennan MD directly at (319) 356-1607.
Frequently asked
Yes. NPI 1063400620 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension.
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) 356-1607.
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. Theresa Brennan MD is a Type-1 individual NPI.