What is Johnnie Williams's NPI number?

Johnnie Williams's National Provider Identifier (NPI) is 1578457651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Johnnie Williams's specialty?

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

Where is Johnnie Williams located?

Johnnie Williams's practice location on file with NPPES is 4245 S Grand Canyon Dr Ste 216, Las Vegas, NV 89147-7165.

What is Johnnie Williams's phone number?

The practice phone number listed in the NPPES registry for Johnnie Williams is (702) 751-0356.

Is Johnnie Williams's NPI active?

Yes — Johnnie Williams's NPI (1578457651) is active in the NPPES registry as of the last update on 2025-06-04.

IndividualActive

Johnnie Williams

NPI 1578457651 · Personal Care Attendant · Las Vegas, NV

Johnnie Williams is a Personal Care Attendant provider in Las Vegas, NV (NPI 1578457651).

Provider details

NPI number: 1578457651
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

4245 S Grand Canyon Dr Ste 216

Las Vegas, NV 89147-7165

Phone: (702) 751-0356

Street-level locationGet directions

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Mailing address