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

Individual provider Clinical Social Worker · NPI 1972236271

Nitza Christina Arroyo Santiago, LICSW is a Clinical Social Worker in Washington, District of Columbia. Qualified in 2022, 4 years ago. Accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
4
Licensed in
DC
In the registry since
2022
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

111 Michigan Ave NW
Washington, DC 20010-2916
Phone: (202) 476-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC200003365 (DC)

Record details

NPI number1972236271
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedJuly 5, 2022
Last updated in NPPESOctober 27, 2025
Certification dateOctober 27, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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