Diamond Healthcare Services
Diamond Healthcare Services holds 6 active organization NPIs in the federal registry, with practice locations in 4 cities in 3 states. 5 list home health agency as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIHyattsville, MD has the most NPIs, 2
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2017 and 2025
Source: CMS NPPES, enumeration dates.
4 NPIs were issued in 2025 alone, more than in any other year; none in 6 of the years between.
Hyattsville, MD locations
The city with the most Diamond Healthcare Services NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1356813794 | 516 HILL RD, Hyattsville, MD | Home Health Agency | Dec 26, 2018 |
| 1437045861 | 516 HILL RD, Hyattsville, MD | Home Health Agency | Jun 13, 2025 |
All 6 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1356813794 | 516 HILL RD, Hyattsville, MD | Home Health Agency | Dec 26, 2018 |
| 1437045861 | 516 HILL RD, Hyattsville, MD | Home Health Agency | Jun 13, 2025 |
| 1093601437 | 10451 MILL RUN CIR STE 415, Owings Mills, MD | Home Health Agency | Jun 13, 2025 |
| 1124914577 | 10451 MILL RUN CIR STE 415, Owings Mills, MD | Durable Medical Equipment & Medical Supplies | Jun 13, 2025 |
| 1972307718 | 700 MORSE RD STE 100, Columbus, OH | Home Health Agency | Apr 2, 2025 |
| 1225544570 | 102 N SHILOH RD STE 212, Garland, TX | Home Health Agency | Dec 22, 2017 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Diamond Healthcare Services have 6 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Diamond Healthcare Services's NPIs list practice locations in 4 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.