What is William Casto's NPI number?

William Casto's National Provider Identifier (NPI) is 1245123348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Casto's specialty?

William Casto is listed in the NPPES registry with a primary specialty of Personal Care Attendant (Nursing Service Related Providers).

Where is William Casto located?

William Casto's practice location on file with NPPES is 144 7th Ave, South Charleston, WV 25303-1452.

What is William Casto's phone number?

The practice phone number listed in the NPPES registry for William Casto is (304) 744-4081.

Is William Casto's NPI active?

Yes — William Casto's NPI (1245123348) is active in the NPPES registry as of the last update on 2025-05-29.

IndividualActive

William Casto

NPI 1245123348 · Personal Care Attendant · South Charleston, WV

William Casto is a Personal Care Attendant provider in South Charleston, WV (NPI 1245123348).

Provider details

NPI number: 1245123348
Entity type: Individual
Primary specialty: Personal Care AttendantNursing Service Related Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Personal Care AttendantPrimary3747P1801X
Nursing Service Related 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

144 7th Ave

South Charleston, WV 25303-1452

Phone: (304) 744-4081

Fax: (304) 744-8606

Street-level locationGet directions

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Mailing address