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Sierra Gillis

  • Ferndale, MI
  • Psychologist
NPI1033728613PAC ID9931678190
Affiliated sites
2
Medical groups
2
State license
1
Year NPI issued
2020
Practice address
23231 Woodward Ave, Ferndale, MI 48220
Practice phone
Call (248) 581-8777
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Fairsky Foundation

Ferndale, Michigan

See all 5 affiliations

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Sierra Gillis is a psychologist in Ferndale, Michigan

Sierra Gillis practices at Fairsky Foundation in Ferndale, Michigan.

Sierra Gillis' NPI, 1033728613, was assigned on July 29, 2020. Sierra Gillis holds Michigan license 6352000029.

NPI and contact details
NPI
1033728613NPI Registry (opens in a new tab)
Medicare PAC ID
9931678190
NPI enumeration date
July 29, 2020
NPI status
Active
Practice phone
(248) 581-8777
Professional email
Get email
Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Sierra Gillis practices at Fairsky Foundation in Ferndale, Michigan

Sierra Gillis' primary practice is Fairsky Foundation, at 23231 Woodward Ave, Ferndale, MI 48220 in Oakland County. The practice phone is (248) 581-8777.

  • Fairsky Foundation
    23231 Woodward Ave, Ferndale, MI 48220 · Oakland CountyPhone(248) 581-8777

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Sierra Gillis is affiliated with 3 sites of care and 2 medical groups

Sierra Gillis' primary practice is Fairsky Foundation in Ferndale, Michigan. The medical group on file is FairSky Foundation. Dmand AI also links Sierra Gillis to 2 more group practices and clinics and 1 medical group, each named with a free account.

Fairsky FoundationFerndale, MichiganPrimary
FairSky FoundationBehavioral and mental health group, Ferndale, MI2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Sierra Gillis

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Sierra Gillis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sierra Gillis practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fairsky FoundationAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Sierra Gillis is one of 864 psychologists in Michigan

Psychologist is Sierra Gillis' primary specialty in the NPI Registry, under taxonomy code 103T00000X. Sierra Gillis is licensed in Michigan.

Specialties and state licenses

  • Psychologist, MichiganPrimaryLicense 6352000029 · taxonomy 103T00000X

Psychologists near Sierra Gillis

Counts of psychologists with a Dmand AI profile, by place and practice. Each opens the list.

864psychologists in Michigan
9psychologists in Ferndale

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sierra Gillis' patients have a median age of 19

Across all payers, Dmand AI patient panel data puts Sierra Gillis' median patient age at 19, with 89% women.

Sierra Gillis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 19

Patient panel by sex, all payers

  • Women89%
  • Men11%

Source: Dmand AI Patient Panel Data

Sources for Sierra Gillis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sierra Gillis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sierra Gillis' NPI number?

Sierra Gillis' NPI number is 1033728613. It was assigned on July 29, 2020, and it is active in the NPI Registry.

What does Sierra Gillis specialize in?

Sierra Gillis is a psychologist in Ferndale, Michigan. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).

Where does Sierra Gillis practice?

Sierra Gillis practices at 23231 Woodward Ave, Ferndale, MI 48220. Sierra Gillis' primary practice is Fairsky Foundation in Ferndale, Michigan. Dmand AI also links Sierra Gillis to 2 group practices and clinics and 1 medical group.

What is Sierra Gillis' office phone number?

The practice phone on file for Sierra Gillis is (248) 581-8777.

What is Sierra Gillis' medical license number?

Sierra Gillis holds Michigan license 6352000029.

What medical group is Sierra Gillis part of?

Sierra Gillis is linked to FairSky Foundation. Dmand AI links Sierra Gillis to 1 more medical group.

How long has Sierra Gillis been practicing?

Sierra Gillis' NPI was assigned in 2020.

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