Provider Profile
Diamond Y. Holland
Unclaimed ProfileAbout Diamond Holland
Diamond Y. Holland is a healthcare provider in Washington, DC specializing in case manager / care coordinator. This provider record is associated with NPI 1659180354.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (202) 802-5556
- Email not available
Practice Locations
1301 LENFANT SQ SE
Washington, DC 20020
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other case manager / care coordinators at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Diamond Y. Holland's specialty?
Diamond Y. Holland is a case manager / care coordinator in Washington, DC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Diamond Y. Holland?
Diamond Y. Holland is listed at 1301 Lenfant Sq Se, Washington, DC 20020. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Diamond Y. Holland?
The number on file is (202) 802-5556. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Diamond Y. Holland's NPI number?
Diamond Y. Holland's National Provider Identifier is 1659180354. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Diamond Y. Holland been practicing?
Diamond Y. Holland has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Diamond Y. Holland confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diamond Y. Holland. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.