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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA NIBA MANKAA
NPI 1700670171
Case Manager/Care Coordinator in Washington, DC

Active since April 08, 2025
3921 MINNESOTA AVE NE, WASHINGTON, DC 20019(240) 425-5664 Get Directions Write a Review

NPPES record last updated: September 7, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 7, 2026, Oct 12, 2025, Apr 8, 2025 (3 updates tracked since 2025).

About Diana Niba Mankaa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA NIBA MANKAA (NPI 1700670171) is an individual case manager/care coordinator provider in Washington, District Of Columbia and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1700670171
Entity TypeIndividualFemale
Primary Taxonomy171M00000X
Provider Legal NameDIANA NIBA MANKAA
Location Address3921 MINNESOTA AVE NEWashington, DC 20019-2662
Mailing Address10010 Martin AveGlenn Dale, MD 20769-9209 · (240) 425-5664
Phone(240) 425-5664
Sole ProprietorYes
Enumeration DateApril 8, 2025
Last NPPES UpdateSeptember 7, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 7, 2026
✔ NPI 1700670171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCase Manager/Care CoordinatorOther Service Providers
Taxonomy Code171M00000X
Definition
A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.
3921 MINNESOTA AVE NE, Washington, DC 20019
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHERYL STARK
Counselor
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (202) 839-5310
EDWARD MATTHEW GALIBER
Psychologist (School)
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (202) 839-5310
KASEY GAMBLE
Counselor (Mental Health)
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (202) 839-5310
MANUELA KOUAM
Community Health Worker
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (202) 839-5310
SEUN OMOTOSHO
Community Health Worker
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (240) 486-3347
MARISSA MARJANI MCCARTHY
Registered Nurse
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (202) 839-5310
TERESA LEWIS
Counselor (Mental Health)
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (202) 839-5310
SUSIE ASAMOAH
Social Worker
3921 MINNESOTA AVE NE
WASHINGTON, DC 20019
District of Columbia (646) 750-1292

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Mankaa's NPI number?

The NPI number for Diana Mankaa is 1700670171. It was assigned to this individual provider in the NPPES registry on April 8, 2025.

Where is Diana Mankaa located?

Diana Mankaa practices at 3921 Minnesota Ave NE, Washington, DC 20019. The listed phone number is (240) 425-5664.

What is Diana Mankaa's specialty?

The primary specialty registered for this NPI is Case Manager/Care Coordinator with taxonomy code 171M00000X.

When was this NPI record last updated?

The NPPES record for Diana Mankaa was last updated on September 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.