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

Sierra Gillis

Individual provider Psychologist · NPI 1033728613

Sierra Gillis is a Clinical Psychologist in Detroit, Michigan. Qualified in 2023, 3 years ago. Practices as a sole proprietor. Licensed in Michigan.

Years since qualifying
3
Licensed in
MI
In the registry since
2020
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Practice location Address checks out

15000 Gratiot Ave
Detroit, MI 48205-1973
Phone: (313) 423-3067
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 6352000029 (MI)

Record details

NPI number1033728613
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJuly 29, 2020
Last updated in NPPESJuly 29, 2020
Certification dateJuly 29, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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