Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Tiffanie Williams

Individual provider Case Management Agency · NPI 1700583044

Tiffanie Williams is a Case Management Agency in Washington, District of Columbia. Practices as a sole proprietor and works from 2 locations. Registered with an NPI since 2023.

In the registry since
2023
Specialties on file
2

Practice location Address checks out

1628 Marion Barry Ave SE
Washington, DC 20020-4706
Phone: (202) 866-7505
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 350 Eastern Ave Ne, Washington, DC 20019-2833 — (202) 248-1356

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X
Case Management Agency Taxonomy 251B00000X

Record details

NPI number1700583044
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedFebruary 7, 2023
Last updated in NPPESApril 20, 2026
Certification dateApril 20, 2026

Other providers in Washington