Siavhan O'Brien, FNP-C
Siavhan O'Brien, FNP-C is a primary care nurse practitioner practicing in Tucson, AZ. The NPI was issued on June 23, 2026, and the record was last updated in NPPES on June 23, 2026.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Primary Care Nurse Practitioner Primary | 363LP2300X | 341597 (AZ) |
Practice location
Local context
Active NPPES records list 45 providers with primary care nurse practitioner as the primary taxonomy within 25 miles of this practice location's ZIP code, 34 of them within 10 miles.
The same primary taxonomy is listed by 350 in Arizona and 13,165 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Siavhan O'Brien
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
Building software? Fetch this NPI programmatically with the NPILayer Provider API.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://api.npilayer.com/v1/providers/1821924002"