Joyce Lin, PA-C
Physician Assistant · La Jolla, CA
Joyce Lin, PA-C is a physician assistant with a practice address in La Jolla, California, and NPI 1427681022, issued on Feb 21, 2020. Check the license (California PA57821, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joyce Lin
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA57821 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9400 Campus Point Dr, La Jolla, CA 92093
- Phone
- (800) 926-8273
- Enumerated
- Feb 21, 2020
- Record last updated
- Jul 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20200512002655); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 9400 Campus Point Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Chung, MDPhysical Medicine & Rehabilitation Physician1275094120
- Alejandro Cortes, MDOrthopaedic Surgery Physician1972066785
- Christopher Dijanic, MDOrthopaedic Surgery of the Spine Physician1295396281
Verify Joyce Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA57821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average physician assistant in 2024
557 Medicare Part D claims for 173 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 37 claims were for opioids.
Most prescribed
- Anastrozole105 claims
- Letrozole83 claims
- Gabapentin49 claims
- Exemestane34 claims
- Ondansetron Hcl21 claims
- Oxycodone Hcl19 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.
Industry payments in 2024: $378.36
4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joyce Lin among 14,451 physician assistant records in California
Joyce Lin, PA-C 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 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2019 · median 2018 among the 7,214 with a school on file
- Record last updated2026 · 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).
136 physician assistant records list a practice address in La Jolla
They are 136 of the 3,648 NPPES records with a practice address in La Jolla, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in La Jolla → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michelle Ly, PALa Jolla, CA 920931760115521
- Cathryn McCormick, PALa Jolla, CA 920931962614198
- Karin Morris, PA-CLa Jolla, CA 920931306815477
- Jose Ruiz, P.A.La Jolla, CA 920931235122961
- Kailyn Tovey, PA-CLa Jolla, CA 920931609489145
- Robyn Bodecker, PA-CSan Diego, CA 921011427067727
- Alejandra Diedrich, P.A.San Diego, CA 921011487767539
- Brenda Guerrero, P.A.San Diego, CA 921011750391348
Common questions
What is Joyce Lin, PA-C's NPI number?
Joyce Lin, PA-C's National Provider Identifier (NPI) is 1427681022, issued on Feb 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Joyce Lin, PA-C located?
The NPPES record lists a practice address at 9400 Campus Point Dr, La Jolla, CA, 92093. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Joyce Lin, PA-C's license?
NPPES lists California license number PA57821, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joyce Lin, PA-C prescribe under Medicare Part D?
In 2024, Joyce Lin, PA-C had 557 Medicare Part D claims for 173 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.