Casey Yin, PA
NPI 1811411705 · Physician Assistant · West Covina, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Casey Yin, PA is a Physician Assistant provider in West Covina, CA (NPI 1811411705).
Provider details
- NPI number
- 1811411705
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
220 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 105 | $157 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 66 | $109 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 31 | $7 |
| Critical Care, First 30-74 Minutes99291 | 18 | $194 |
Typical Medicare-allowed amounts for these services range $7–$194 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 62 | 62 |
| Ondansetronbrand: Ondansetron Odt | 29 | 29 |
| Prednisone | 23 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | 15 |
| Ibuprofen | 13 | 13 |
| Azithromycin | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$138 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-01
- Last updated
- 2019-08-03
Frequently asked questions
- What is Casey Yin's NPI number?
- Casey Yin's National Provider Identifier (NPI) is 1811411705, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Casey Yin's specialty?
- Casey Yin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Casey Yin located?
- Casey Yin's practice location on file with NPPES is 1115 S Sunset Ave, West Covina, CA 91790-3940.
- What is Casey Yin's phone number?
- The practice phone number listed in the NPPES registry for Casey Yin is (626) 962-4011.
- Does Casey Yin accept Medicare?
- Casey Yin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Casey Yin's NPI active?
- Yes — Casey Yin's NPI (1811411705) is active in the NPPES registry as of the last update on 2019-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.