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

Tammy Marie O'Brien, LLP

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1295045318

Tammy Marie O'Brien, LLP is an Addiction (Substance Use Disorder) Psychologist in Farmington Hills, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2010
Specialties on file
3

Practice location Address checks out

32961 Middlebelt Rd
Farmington Hills, MI 48334-1729
Phone: (248) 855-1540
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6361004588 (MI)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 6301014371 (MI)
Clinical Psychologist Taxonomy 103TC0700X · Licence 6301014371 (MI)

Record details

NPI number1295045318
Entity typeIndividual (Type 1)
GenderFemale
Credentials LLP
Sole proprietorYes
NPI enumeratedOctober 8, 2010
Last updated in NPPESApril 30, 2020
Certification dateApril 30, 2020

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