Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Susan Lonergan, RD
Registered Dietitian in Livonia, MI · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1497908024
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Mary Susan Lonergan
Credential RD
Sex Female
Practice address 17557 Westbrook Dr, Livonia, MI, 48152
Phone (734) 502-7289
Fax (734) 464-4811
Enumeration date Oct 28, 2008
Last updated in NPPES Oct 28, 2008
Taxonomy & licenses
RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration.
About the RD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Mary Lonergan?
The National Provider Identifier (NPI) for Mary Lonergan is 1497908024, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Lonergan practice?
The practice location on file with NPPES is in Livonia, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-28.