Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marissa Lynn O'Neill, TLLP

Individual provider Psychologist · NPI 1033569868

Marissa Lynn O'Neill, TLLP is a Psychologist in Midland, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2016
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Practice location Address checks out

1205 E Wackerly St
Midland, MI 48642-7035
Phone: (989) 832-9161
Fax: (989) 832-8813
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 6361005251 (MI)

Record details

NPI number1033569868
Entity typeIndividual (Type 1)
GenderFemale
Credentials TLLP
Sole proprietorYes
NPI enumeratedJune 13, 2016
Last updated in NPPESMay 22, 2025
Certification dateMay 22, 2025

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