William Mcmillan M.D.
About this NPIWhat this record shows.
NPI 1558454975 is registered to William Mcmillan M.D., a Otolaryngology Physician practising at 1005 Pennsylvania Ave in Ottumwa, Iowa. Otolaryngology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Mcmillan M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
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 William Mcmillan M.D. accepts. To confirm in-network status with your specific health plan, contact William Mcmillan M.D. directly at (641) 683-1900.
Frequently asked
Yes. NPI 1558454975 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Otolaryngology 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 (641) 683-1900.
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. William Mcmillan M.D. is a Type-1 individual NPI.