What is William Day's NPI number?

William Day's National Provider Identifier (NPI) is 1083621551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Day's specialty?

William Day is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is William Day located?

William Day's practice location on file with NPPES is 54 E Lee St, Warrenton, VA 20186.

What is William Day's phone number?

The practice phone number listed in the NPPES registry for William Day is (540) 347-0613.

Is William Day's NPI active?

Yes — William Day's NPI (1083621551) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Day, LPC

NPI 1083621551 · Psychologist · Warrenton, VA

William Day, LPC is a Psychologist provider in Warrenton, VA (NPI 1083621551).

Provider details

NPI number: 1083621551
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: LPC
Sex: Male
Sole proprietor: No
License: 0701002491 (VA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 0701002491 (VA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
19 yrs 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

54 E Lee St

Warrenton, VA 20186

Phone: (540) 347-0613

Fax: (540) 347-0768

Street-level locationGet directions

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Mailing address