Courtney Costelnock, LLBSW
NPI 1821501925 · Behavior Technician · Farmington Hills, MI
Courtney Costelnock, LLBSW is a Behavior Technician provider in Farmington Hills, MI (NPI 1821501925).
Provider details
- NPI number
- 1821501925
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Credential
- LLBSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6802088644 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 2925 Russell StDetroit, MI 48207-4825Phone: (313) 396-5300
Registry dates
- Enumerated
- 2017-11-10
- Last updated
- 2019-10-15
Frequently asked questions
- What is Courtney Costelnock's NPI number?
- Courtney Costelnock's National Provider Identifier (NPI) is 1821501925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Costelnock's specialty?
- Courtney Costelnock is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Courtney Costelnock located?
- Courtney Costelnock's practice location on file with NPPES is 27777 Inkster Rd Ste 100, Farmington Hills, MI 48334-5326.
- What is Courtney Costelnock's phone number?
- The practice phone number listed in the NPPES registry for Courtney Costelnock is (248) 436-4400.
- Is Courtney Costelnock's NPI active?
- Yes — Courtney Costelnock's NPI (1821501925) is active in the NPPES registry as of the last update on 2019-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.