Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diane M Drouillard, MA LLP
Psychologist in Livonia, MI · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033562624
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Registry record
Entity type Individual (Type 1)
Name Diane M Drouillard
Credential MA LLP
Sex Female
Practice address 38807 Ann Arbor Rd, Ste 9, Livonia, MI, 48150
Phone (734) 772-0148
Fax (734) 943-6051
Enumeration date Jul 19, 2016
Last updated in NPPES Dec 17, 2018
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301008200 (MI) Primary
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 Diane Drouillard?
The National Provider Identifier (NPI) for Diane Drouillard is 1033562624, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diane Drouillard practice?
The practice location on file with NPPES is in Livonia, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Debra Koelzer Physician Assistant · Livonia, MI NPI 1154343465 Professional Counseling and Psychiatry Solutions, Pllc Adult Mental Health Clinic/Center · Livonia, MI NPI 1881972404 Kathleen Osborne Clinical Social Worker · Livonia, MI NPI 1427306810 A&C Behavioral Solutions, LLC Behavior Analyst · Livonia, MI NPI 1215270095 Senior Psychiatric Services of Mi Geriatric Psychiatry Physician · Livonia, MI NPI 1609299692 Sarah Mccarthy Massage Therapist · Livonia, MI NPI 1902299431 Lauren Miller Behavior Analyst · Livonia, MI NPI 1275904393 Christina Fabrizio Behavior Technician · Livonia, MI NPI 1770934002
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-17.