What is Derek Foster's NPI number?

Derek Foster's National Provider Identifier (NPI) is 1821974031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Derek Foster's specialty?

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

Where is Derek Foster located?

Derek Foster's practice location on file with NPPES is 1110 Herndon Pkwy Ste 305, Herndon, VA 20170-5547.

What is Derek Foster's phone number?

The practice phone number listed in the NPPES registry for Derek Foster is (703) 943-6560.

Is Derek Foster's NPI active?

Yes — Derek Foster's NPI (1821974031) is active in the NPPES registry as of the last update on 2025-08-13.

IndividualActive

Derek Foster

NPI 1821974031 · Behavior Technician · Herndon, VA

Derek Foster is a Behavior Technician provider in Herndon, VA (NPI 1821974031).

Provider details

NPI number: 1821974031
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
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
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

1110 Herndon Pkwy Ste 305

Herndon, VA 20170-5547

Phone: (703) 943-6560

Fax: (571) 526-5550

Street-level locationGet directions

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Mailing address