Provider Profile
Alyssa K. Castagna, NP
Unclaimed ProfileAbout Alyssa Castagna
Alyssa 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (805) 473-6201
- Email not available
Practice Locations
260 STATION WAY STE A
Arroyo Grande, CA 93420
Procedures Most Often Billed to Medicare
14 services · 14 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Hemoglobin a1c level | Lab test | 83036 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Arroyo Grande 2
Same specialty, same city.
Common questions
What does Alyssa K. Castagna specialize in?
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
Where is Alyssa K. Castagna located?
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
What is Alyssa K. Castagna's phone number?
The number on file is (805) 473-6201. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Alyssa K. Castagna?
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
How much experience does Alyssa K. Castagna have?
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
What does Alyssa K. Castagna do most often?
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
Is Alyssa K. Castagna's profile verified?
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
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.