Ambulatory Care Registered Nurse: NPI taxonomy code 163WP2201X
Taxonomy code 163WP2201X is Registered Nurse: Ambulatory Care, in the Nursing Service Providers group.
3,415 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 163WP2201X |
|---|---|
| Group | Nursing Service Providers |
| Classification | Registered Nurse |
| Specialization | Ambulatory Care |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 3,415 (3,393 individuals, 22 organizations) |
What NUCC says: Definition to come... (excerpt of the NUCC 26.1 definition)
Find Ambulatory Care Registered Nurse providers
Search the registry for providers listing Ambulatory Care. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 961 | 28.1% |
| Ohio | 199 | 5.8% |
| Massachusetts | 166 | 4.9% |
| Texas | 162 | 4.7% |
| Wisconsin | 155 | 4.5% |
| Michigan | 136 | 4.0% |
| Colorado | 114 | 3.3% |
| New Mexico | 96 | 2.8% |
| New York | 88 | 2.6% |
| South Dakota | 82 | 2.4% |
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.