What is Crystal Williams's NPI number?

Crystal Williams's National Provider Identifier (NPI) is 1144171182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Crystal Williams's specialty?

Crystal Williams is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Crystal Williams located?

Crystal Williams's practice location on file with NPPES is 4660 Martin Luther King Jr Ave Sw Ste A1, Washington, DC 20032-4958.

What is Crystal Williams's phone number?

The practice phone number listed in the NPPES registry for Crystal Williams is (202) 318-0179.

Is Crystal Williams's NPI active?

Yes — Crystal Williams's NPI (1144171182) is active in the NPPES registry as of the last update on 2026-02-05.

IndividualActive

Crystal Williams

NPI 1144171182 · Case Manager/Care Coordinator · Washington, DC

Crystal Williams is a Case Manager/Care Coordinator provider in Washington, DC (NPI 1144171182).

Provider details

NPI number: 1144171182
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

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

4660 Martin Luther King Jr Ave Sw Ste A1

Washington, DC 20032-4958

Phone: (202) 318-0179

Street-level locationGet directions

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Mailing address