What is William Gardner's NPI number?

William Gardner's National Provider Identifier (NPI) is 1255848750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Gardner's specialty?

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

Where is William Gardner located?

William Gardner's practice location on file with NPPES is 4440 Robertson Rd, Fort Worth, TX 76135-9438.

What is William Gardner's phone number?

The practice phone number listed in the NPPES registry for William Gardner is (817) 233-6398.

Is William Gardner's NPI active?

Yes — William Gardner's NPI (1255848750) is active in the NPPES registry as of the last update on 2026-06-03.

IndividualActive

William Gardner, M.S.

NPI 1255848750 · Psychologist · Fort Worth, TX

William Gardner, M.S. is a Psychologist provider in Fort Worth, TX (NPI 1255848750).

Provider details

NPI number: 1255848750
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: M.S.
Sex: Male
Sole proprietor: Yes
License: 36916 (TX)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 36916 (TX)
Behavioral Health & Social Service Providers

Profile Score

Established profile(69/100 index)

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

Registry tenure38% of score
8 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

4440 Robertson Rd

Fort Worth, TX 76135-9438

Phone: (817) 233-6398

Street-level locationGet directions

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Mailing address