Provider Profile
Casey M. Yin, PA is a physician assistant based in West Covina, CA. Medicare claims data shows Casey provided 220 services to 216 patients. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1115 S SUNSET AVE
West Covina, CA 91790
220 services · 216 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
31 | As often as other peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
105 | More often than most peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
66 | More often than most peers in Physician Assistant |
| Critical care, first 30-74 minutes | Office visit | 99291 |
18 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Casey M. Yin is a physician assistant in West Covina, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Casey M. Yin is listed at 1115 S Sunset Ave, West Covina, CA 91790. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 962-4011. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Casey M. Yin's National Provider Identifier is 1811411705. 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
Casey M. Yin has 9+ years experience. Registered with an NPI since 2017. 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, Casey M. Yin provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. 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 Casey M. Yin. 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.