Dr. Mary Loudon PHD
Also known as
- Formerly known asPlummer, Mary Dianne
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1821318171 is registered to Dr. Mary Loudon PHD, a Mental Health Counselor practising at 1700 Westlake Ave. N., Suite 400 in Seattle, Washington. Mental Health Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mary Loudon PHD has been enumerated in the National Provider Identifier (NPI) registry since 2010.
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. Mary Loudon PHD accepts. To confirm in-network status with your specific health plan, contact Dr. Mary Loudon PHD directly at (206) 769-2052.
Frequently asked
Yes. NPI 1821318171 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Mental Health Counselor 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 (206) 769-2052.
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. Mary Loudon PHD is a Type-1 individual NPI.