What is Tonya Williams's NPI number?

Tonya Williams's National Provider Identifier (NPI) is 1356231617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tonya Williams's specialty?

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

Where is Tonya Williams located?

Tonya Williams's practice location on file with NPPES is 2041 Mlk Jr. Ave. Se, Washington, DC 20020.

What is Tonya Williams's phone number?

The practice phone number listed in the NPPES registry for Tonya Williams is (202) 717-9428.

Is Tonya Williams's NPI active?

Yes — Tonya Williams's NPI (1356231617) is active in the NPPES registry as of the last update on 2025-07-08.

IndividualActive

Tonya Williams

NPI 1356231617 · Case Manager/Care Coordinator · Washington, DC

Tonya Williams is a Case Manager/Care Coordinator provider in Washington, DC (NPI 1356231617).

Provider details

NPI number: 1356231617
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service 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
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

2041 Mlk Jr. Ave. Se

Washington, DC 20020

Phone: (202) 717-9428

Street-level locationGet directions

More DC providers

Mailing address