What is Diane Williams's NPI number?

Diane Williams's National Provider Identifier (NPI) is 1477413383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diane Williams's specialty?

Diane Williams is listed in the NPPES registry with a primary specialty of Home Health Agency (Agencies).

Where is Diane Williams located?

Diane Williams's practice location on file with NPPES is 1327 Green Hill Ave, West Chester, PA 19380-3959.

What is Diane Williams's phone number?

The practice phone number listed in the NPPES registry for Diane Williams is (484) 788-2529.

Is Diane Williams's NPI active?

Yes — Diane Williams's NPI (1477413383) is active in the NPPES registry as of the last update on 2025-11-13.

IndividualActive

Diane Williams

NPI 1477413383 · Home Health Agency · West Chester, PA

Diane Williams is a Home Health Agency provider in West Chester, PA (NPI 1477413383).

Provider details

NPI number: 1477413383
Entity type: Individual
Primary specialty: Home Health AgencyAgencies
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Home Health AgencyPrimary251E00000X
Agencies

Profile Score

Basic profile(47/100 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

1327 Green Hill Ave

West Chester, PA 19380-3959

Phone: (484) 788-2529

Street-level locationGet directions

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Mailing address