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Sierra Gillis
NPI 1033728613 · Psychologist · Detroit, MI
Sierra Gillis is a Psychologist provider in Detroit, MI (NPI 1033728613).
Provider details
- NPI number
- 1033728613
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6352000029 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
15000 Gratiot Ave
Detroit, MI 48205-1973
Phone: (313) 423-3067
Street-level locationGet directions
Mailing address
45773 Bryn Mawr Rd
Canton, MI 48187-5431
Registry dates
- Enumerated
- 2020-07-29
- Last updated
- 2020-07-29
- Certified
- 2020-07-29
Frequently asked questions
- What is Sierra Gillis's NPI number?
- Sierra Gillis's National Provider Identifier (NPI) is 1033728613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Gillis's specialty?
- Sierra Gillis is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Sierra Gillis located?
- Sierra Gillis's practice location on file with NPPES is 15000 Gratiot Ave, Detroit, MI 48205-1973.
- What is Sierra Gillis's phone number?
- The practice phone number listed in the NPPES registry for Sierra Gillis is (313) 423-3067.
- Is Sierra Gillis's NPI active?
- Yes — Sierra Gillis's NPI (1033728613) is active in the NPPES registry as of the last update on 2020-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.