Casey Melanie Yin, PA
Physician Assistant · West Covina, CA
Casey Melanie Yin, PA is a physician assistant with a practice address in West Covina, California, and NPI 1811411705, issued on Aug 1, 2017. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Casey Melanie Yin
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1115 S Sunset Ave, West Covina, CA 91790
- Phone
- (626) 962-4011
- Enumerated
- Aug 1, 2017
- Record last updated
- Aug 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1115 S Sunset Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cara Baker, MDAnesthesiology Physician1063660462
- Vincent BalitonEmergency Registered Nurse1578139408
- Noel Benedict Bautista, MDStudent in an Organized Health Care Education/Training Program1972436376
- Gilbert Benitez, PAEmergency Medicine Physician1184678245
Verify Casey Melanie Yin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average physician assistant in 2024
341 Medicare Part D claims for 234 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Cephalexin62 claims
- Ondansetron Odt29 claims
- Prednisone23 claims
- Amoxicillin-Clavulanate Potass19 claims
- Albuterol Sulfate Hfa15 claims
- Ibuprofen13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $138.18
1 payment: food and beverage; the largest payer was Biosense Webster, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Casey Melanie Yin among 14,451 physician assistant records in California
Casey Melanie Yin, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2019 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 physician assistant records list a practice address in West Covina
They are 51 of the 2,450 NPPES records with a practice address in West Covina, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in West Covina → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kimberly Amato, PACWest Covina, CA 917901477505014
- Patricia Breen-McDonoughWest Covina, CA 917901861484685
- Darrell Carter, P.A.West Covina, CA 917901407047756
- Ann Du, PACWest Covina, CA 917901841382314
- Patrick Duke, PA-CWest Covina, CA 917901619990447
- Diana Fernandez, P.A.West Covina, CA 917901235377367
- Amalia Galvez Tristan, PA-CWest Covina, CA 917901750566410
- Miriam Ha, P.A.West Covina, CA 917901013045558
Common questions
What is Casey Melanie Yin, PA's NPI number?
Casey Melanie Yin, PA's National Provider Identifier (NPI) is 1811411705, issued on Aug 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Casey Melanie Yin, PA located?
The NPPES record lists a practice address at 1115 S Sunset Ave, West Covina, CA, 91790. Phone: (626) 962-4011. Providers update this record themselves, so call before visiting.
How can I verify Casey Melanie Yin, PA's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Casey Melanie Yin, PA prescribe under Medicare Part D?
In 2024, Casey Melanie Yin, PA had 341 Medicare Part D claims for 234 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Casey Melanie Yin, PA's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.