Cassidy Jung
Physician Assistant · San Marino, CA
Cassidy Jung is a physician assistant with a practice address in San Marino, California, and NPI 1639859044, issued on Jul 20, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassidy Jung
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 589 Winston Ave, San Marino, CA 91108
- Phone
- (626) 229-9891
- Enumerated
- Jul 20, 2023
- Record last updated
- Jul 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20231106003293); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Cassidy Jung 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
92% fewer Medicare Part D claims than the average physician assistant in 2024
70 Medicare Part D claims for 38 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Oxycodone Hcl31 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: $67.07
1 payment: food and beverage; the largest payer was Medtronic, 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.
Bills Medicare through one group practice
- Torrance Surgical Alliance IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassidy Jung among 14,451 physician assistant records in California
Cassidy Jung 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 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2023 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 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).
6 physician assistant records list a practice address in San Marino
They are 6 of the 184 NPPES records with a practice address in San Marino, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Marino → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Catherine Barth, PA-CSan Marino, CA 911081184283178
- Cassie ChanSan Marino, CA 911081427622919
- Emily McDowell, PA-CSan Marino, CA 911081659704286
- Alastair NaghiehSan Marino, CA 911081235712241
- Judy Tung, MHS, PA-CSan Marino, CA 911081669936894
- Emin Aleksani, PA-CPasadena, CA 911071982131660
- Julia BermanPasadena, CA 911071780202473
- Erika Galang, PAPasadena, CA 911071356811343
Common questions
What is Cassidy Jung's NPI number?
Cassidy Jung's National Provider Identifier (NPI) is 1639859044, issued on Jul 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Cassidy Jung located?
The NPPES record lists a practice address at 589 Winston Ave, San Marino, CA, 91108. Phone: (626) 229-9891. Providers update this record themselves, so call before visiting.
How can I verify Cassidy Jung's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cassidy Jung prescribe under Medicare Part D?
In 2024, Cassidy Jung had 70 Medicare Part D claims for 38 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.