Dr. Douglas Macmillan DDS
About this NPIWhat this record shows.
NPI 1225241524 is registered to Dr. Douglas Macmillan DDS, a Dentist practising at 55 E Washington St Ste 2401 in Chicago, Illinois. Dentist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Douglas Macmillan DDS has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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 Dr. Douglas Macmillan DDS accepts. To confirm in-network status with your specific health plan, contact Dr. Douglas Macmillan DDS directly at (312) 372-3323.
Frequently asked
Yes. NPI 1225241524 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dentist 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) 372-3323.
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. Douglas Macmillan DDS is a Type-1 individual NPI.