What is Stephan Fiala's NPI number?

Stephan Fiala's National Provider Identifier (NPI) is 1740089259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephan Fiala's specialty?

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

Where is Stephan Fiala located?

Stephan Fiala's practice location on file with NPPES is 21135 Whitfield Pl Ste 202, Sterling, VA 20165-7279.

What is Stephan Fiala's phone number?

The practice phone number listed in the NPPES registry for Stephan Fiala is (571) 888-2932.

Is Stephan Fiala's NPI active?

Yes — Stephan Fiala's NPI (1740089259) is active in the NPPES registry as of the last update on 2025-03-10.

IndividualActive

Stephan Fiala

NPI 1740089259 · Behavior Technician · Sterling, VA

Stephan Fiala is a Behavior Technician provider in Sterling, VA (NPI 1740089259).

Provider details

NPI number: 1740089259
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 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
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

21135 Whitfield Pl Ste 202

Sterling, VA 20165-7279

Phone: (571) 888-2932

Street-level locationGet directions

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Mailing address