Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Christina Marie Bak, M.S., T.L.L.P.
Psychologist in Plymouth, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285839159
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Registry record
Entity type Individual (Type 1)
Name Mrs. Christina Marie Bak
Credential M.S., T.L.L.P.
Sex Female
Practice address 1308 S Main St, Plymouth, MI, 48170
Phone (734) 451-3440
Enumeration date Jun 19, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301013458 (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
Where does Christina Bak practice?
The practice location on file with NPPES is in Plymouth, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christina Bak?
The National Provider Identifier (NPI) for Christina Bak is 1285839159, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Deborah Scott-Willox Clinical Psychologist · Plymouth, MI NPI 1386676930 Karalee Associates PC Cognitive & Behavioral Psychologist · Plymouth, MI NPI 1497865802 Julie Falbaum Addiction (Substance Use Disorder) Counselor · Plymouth, MI NPI 1962502765 Jennifer Lauria Psychologist · Plymouth, MI NPI 1093897035 William Starnes Clinical Psychologist · Plymouth, MI NPI 1518042910 William Gray Clinical Child & Adolescent Psychologist · Plymouth, MI NPI 1487729224 Susan Grigg Mental Health Counselor · Plymouth, MI NPI 1316006802 John Heger Psychologist · Plymouth, MI NPI 1275697369
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.