Nitza Christina Arroyo Santiago, LICSW
Individual provider Active NPI Clinical Social Worker · Washington, DC
NPI 1972236271 · NPPES record last updated Oct 27, 2025
Key facts
- NPI
- 1972236271
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Clinical Social Worker 1041C0700X
- License
- LC200003365 (DC)
- Practice address
- 111 Michigan Ave NW
Washington, DC 20010-2916 - Phone
- (202) 476-5000
- NPI assigned
- Jul 5, 2022
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 1
Medicare Care Compare profile
- Specialty
- Clinical Social Worker
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
66 E Flagler St
Miami, FL 33130-1807
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in DC
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: No · Power mobility devices: No · Hospice: No
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20251121001662 | DC | Practitioner - Clinical Social Worker | 6305338930 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LC200003365 | DC | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Grow Healthcare Group PA | Clinical | Current |
Accepting new patients |
Locations
8300 Boone Blvd
Ste 500
Vienna, VA 22182
Phone (703) 884-2598
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | LC200003365 | DC | Yes |
Addresses
Primary practice location
111 Michigan Ave NW
Washington, DC 20010-2916
Mailing address
PO Box 744785
Atlanta, GA 30374-4785
Phone (202) 476-5000
Other names
- Nitza Arroyo
Other providers in Washington, DC
- Reeda H Arrington
- Tameka Arrington
- Tanisha Arrington
- Tina Arrington
- Cristel K Arrnet
- Maria Andreina Arroyo-Morr
- John Anthony Arroyo Jr.
- Amir Arsalan
- Sumaiyya Arshad
- Art and Soul Solutions, Inc.
All providers in Washington, DC · Clinical Social Worker in District of Columbia
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Oct 27, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.