Nephrology Registered Nurse: NPI taxonomy code 163WN0300X
Taxonomy code 163WN0300X is Registered Nurse: Nephrology, in the Nursing Service Providers group.
116 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 163WN0300X |
|---|---|
| Group | Nursing Service Providers |
| Classification | Registered Nurse |
| Specialization | Nephrology |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 116 (113 individuals, 3 organizations) |
What NUCC says: Definition to come... (excerpt of the NUCC 26.1 definition)
Find Nephrology Registered Nurse providers
Search the registry for providers listing Nephrology. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| Texas | 15 | 12.9% |
| Massachusetts | 8 | 6.9% |
| Missouri | 8 | 6.9% |
| California | 7 | 6.0% |
| New York | 7 | 6.0% |
| Minnesota | 6 | 5.2% |
| Puerto Rico | 6 | 5.2% |
| Ohio | 5 | 4.3% |
| Florida | 5 | 4.3% |
| New Mexico | 4 | 3.4% |
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
- Case Management Registered Nurse 5,842
- General Practice Registered Nurse 4,833
- Lactation Consultant (Registered Nurse) 4,617
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.