Are you Alyssa K. Castagna, NP? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAlyssa K. Castagna, NP is a nurse practitioner practicing in Arroyo Grande, CA. According to Medicare claims data, the services billed most often include hemoglobin a1c level. This provider record is associated with NPI 1083286249.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
260 STATION WAY STE A
Arroyo Grande, CA 93420
14 services · 14 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Hemoglobin a1c level | Lab test | 83036 |
14 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Alyssa K. Castagna is a nurse practitioner in Arroyo Grande, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Alyssa K. Castagna is listed at 260 Station Way Ste A, Arroyo Grande, CA 93420. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 473-6201. Contact the office directly to confirm availability and scheduling.
NPI registry
Alyssa K. Castagna's National Provider Identifier is 1083286249. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Alyssa K. Castagna has 5+ years experience. Registered with an NPI since 2021. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Alyssa K. Castagna the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Alyssa K. Castagna. If this is you, claiming it is free.
Guide.md
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