What is Harley Ellis's NPI number?

Harley Ellis's National Provider Identifier (NPI) is 1265203566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harley Ellis's specialty?

Harley Ellis is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Harley Ellis located?

Harley Ellis's practice location on file with NPPES is 27777 Inkster Rd Ste 100, Farmington Hills, MI 48334-5312.

What is Harley Ellis's phone number?

The practice phone number listed in the NPPES registry for Harley Ellis is (248) 436-4400.

Is Harley Ellis's NPI active?

Yes — Harley Ellis's NPI (1265203566) is active in the NPPES registry as of the last update on 2025-09-19.

IndividualActive

Harley Ellis

NPI 1265203566 · Behavior Technician · Farmington Hills, MI

Harley Ellis is a Behavior Technician provider in Farmington Hills, MI (NPI 1265203566).

Provider details

NPI number: 1265203566
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(51/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
83% 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

27777 Inkster Rd Ste 100

Farmington Hills, MI 48334-5312

Phone: (248) 436-4400

Street-level locationGet directions

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Mailing address