Optum Behavioral Care Of Delaware
Optum Behavioral Care Of Delaware holds 6 active organization NPIs in the federal registry, with practice locations in 5 cities in 4 states. 4 list clinical social worker 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 NPIWilmington, DE has the most NPIs, 2
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2023 and 2025
Source: CMS NPPES, enumeration dates.
4 NPIs were issued in 2025 alone, more than in any other year; none in 1 of the years between.
Wilmington, DE locations
The city with the most Optum Behavioral Care Of Delaware NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1326810086 | 3521 SILVERSIDE RD STE 2D, Wilmington, DE | Counseling Psychologist | Oct 26, 2023 |
| 1790679264 | 3521 SILVERSIDE RD STE 2D, Wilmington, DE | Clinical Social Worker | Jun 7, 2025 |
All 6 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1326810086 | 3521 SILVERSIDE RD STE 2D, Wilmington, DE | Counseling Psychologist | Oct 26, 2023 |
| 1790679264 | 3521 SILVERSIDE RD STE 2D, Wilmington, DE | Clinical Social Worker | Jun 7, 2025 |
| 1124907951 | 41 HUTCHINS DR BLDG 3 OFC G15, Portland, ME | Clinical Social Worker | Aug 27, 2025 |
| 1336932557 | 25 S RIVER RD STE 307, Bedford, NH | Clinical Social Worker | May 28, 2025 |
| 1043083595 | 1 TARA BLVD STE 200, Nashua, NH | Counseling Psychologist | Nov 6, 2023 |
| 1154200970 | 300 INTERSTATE CORPORATE CTR, Williston, VT | Clinical Social Worker | Aug 27, 2025 |
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 Optum Behavioral Care Of Delaware 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. Optum Behavioral Care Of Delaware's NPIs list practice locations in 5 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.