Provider Profile
Listed in the NPI registry as a physician assistant, Giulia Guerena practices in Whittier, CA. According to Medicare claims data, Giulia cared for 30 Medicare patients across 30 services. The services billed most often include emergency department visit with moderate level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
12401 WASHINGTON BLVD
Whittier, CA 90602
30 services · 30 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
30 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Giulia Guerena is a physician assistant in Whittier, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Giulia Guerena is listed at 12401 Washington Blvd, Whittier, CA 90602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (562) 698-0811. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Giulia Guerena's National Provider Identifier is 1063127082. 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
Giulia Guerena attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Giulia Guerena has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Giulia Guerena 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 Giulia Guerena. 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.