What is Iyonna Heisterman's NPI number?

Iyonna Heisterman's National Provider Identifier (NPI) is 1245129790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Iyonna Heisterman's specialty?

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

Where is Iyonna Heisterman located?

Iyonna Heisterman's practice location on file with NPPES is 8200 Georgia St, Merrillville, IN 46410-6227.

What is Iyonna Heisterman's phone number?

The practice phone number listed in the NPPES registry for Iyonna Heisterman is (219) 791-1400.

Is Iyonna Heisterman's NPI active?

Yes — Iyonna Heisterman's NPI (1245129790) is active in the NPPES registry as of the last update on 2025-06-30.

IndividualActive

Iyonna Heisterman

NPI 1245129790 · Behavior Technician · Merrillville, IN

Iyonna Heisterman is a Behavior Technician provider in Merrillville, IN (NPI 1245129790).

Provider details

NPI number: 1245129790
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: RBT-25-448986 (IN)

Specialties & taxonomies

Behavior TechnicianPrimary106S00000XLicense RBT-25-448986 (IN)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
1 yr 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

8200 Georgia St

Merrillville, IN 46410-6227

Phone: (219) 791-1400

Street-level locationGet directions

Mailing address