Dr. Timothy Larsen D.O.
About this NPIWhat this record shows.
NPI 1477845337 is registered to Dr. Timothy Larsen D.O., a Clinical Cardiac Electrophysiology Physician practising at 1725 W Harrison St Ste 1159 in Chicago, Illinois. Clinical Cardiac Electrophysiology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Timothy Larsen D.O. has been enumerated in the National Provider Identifier (NPI) registry since 2011.
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
- I20190730000624Cardiac ElectrophysiologyIL
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. Timothy Larsen D.O. accepts. To confirm in-network status with your specific health plan, contact Dr. Timothy Larsen D.O. directly at (312) 942-5020.
Frequently asked
Yes. NPI 1477845337 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Cardiac Electrophysiology Physician 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 (312) 942-5020.
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. Timothy Larsen D.O. is a Type-1 individual NPI.