What is Markise Williams's NPI number?

Markise Williams's National Provider Identifier (NPI) is 1558211060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Markise Williams's specialty?

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

Where is Markise Williams located?

Markise Williams's practice location on file with NPPES is 294 1/2 W 20th St, Idaho Falls, ID 83402-4457.

What is Markise Williams's phone number?

The practice phone number listed in the NPPES registry for Markise Williams is (208) 840-9582.

Is Markise Williams's NPI active?

Yes — Markise Williams's NPI (1558211060) is active in the NPPES registry as of the last update on 2026-02-03.

IndividualActive

Markise Williams

NPI 1558211060 · Behavior Technician · Idaho Falls, ID

Markise Williams is a Behavior Technician provider in Idaho Falls, ID (NPI 1558211060).

Provider details

NPI number: 1558211060
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

294 1/2 W 20th St

Idaho Falls, ID 83402-4457

Phone: (208) 840-9582

Street-level locationGet directions

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Mailing address