Case Management Registered Nurse: NPI taxonomy code 163WC0400X
Taxonomy code 163WC0400X is Registered Nurse: Case Management, in the Nursing Service Providers group.
5,842 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 163WC0400X |
|---|---|
| Group | Nursing Service Providers |
| Classification | Registered Nurse |
| Specialization | Case Management |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 5,842 (5,672 individuals, 170 organizations) |
What NUCC says: Definition to come... (excerpt of the NUCC 26.1 definition)
Find Case Management Registered Nurse providers
Search the registry for providers listing Case Management. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 1,055 | 18.1% |
| Texas | 363 | 6.2% |
| Florida | 323 | 5.5% |
| Michigan | 252 | 4.3% |
| New York | 250 | 4.3% |
| Ohio | 235 | 4.0% |
| Washington | 227 | 3.9% |
| Georgia | 185 | 3.2% |
| Colorado | 179 | 3.1% |
| Maryland | 165 | 2.8% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Registered Nurse 152,513
- School Registered Nurse 11,345
- Psychiatric/Mental Health Registered Nurse 10,894
- Home Health Registered Nurse 10,501
- Community Health Registered Nurse 7,518
- General Practice Registered Nurse 4,833
- Lactation Consultant (Registered Nurse) 4,617
- Adult Psychiatric/Mental Health Registered Nurse 4,535
Specialty definitions are from the NUCC Health Care Provider Taxonomy (version 26.1). Which code to use on a claim depends on your NPPES record and your payer. See taxonomy codes explained.