Yu Kor Ruby Chun, PA-C, RD
Physician Assistant · San Jose, CA
Yu Kor Ruby Chun, PA-C, RD is a physician assistant with a practice address in San Jose, California, and NPI 1306354618, issued on Jan 21, 2018. Check the license (California 55562, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yu Kor Ruby Chun
- Credential
- PA-C, RD
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 55562 CA
1003397 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2425 Samaritan Dr, San Jose, CA 95124
- Phone
- (408) 559-2011
- Enumerated
- Jan 21, 2018
- Record last updated
- Feb 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20220324001349); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2425 Samaritan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ligia Abohande, FNPFamily Nurse Practitioner1083126684
- Audrey Adams, MDAnesthesiology Physician1023045697
- Ravi Aggu Sher, MDCritical Care Medicine (Internal Medicine) Physician1285898585
- Keyvan Bahadi, MDSurgery Physician1376595314
- Rodney Baker, MDAnesthesiology Physician1912934621
- Ali Bassiri, MDPulmonary Disease Physician1316010275
Verify Yu Kor Ruby Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 55562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
41 Medicare Part D claims for 22 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
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.
Bills Medicare through one group practice
- Golden State Providers, A Medical CorporationSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yu Kor Ruby Chun among 14,451 physician assistant records in California
Yu Kor Ruby Chun, PA-C, RD 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 2018, is newer than 52% of them.
- NPI issued2018 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2018 · median 2018 among the 7,214 with a school on file
- Record last updated2024 · 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).
221 physician assistant records list a practice address in San Jose
They are 221 of the 20,925 NPPES records with a practice address in San Jose, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Jose → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Beth Bratt, P.A-CSan Jose, CA 951241003850637
- Nicole Burnham, PASan Jose, CA 951241952441297
- John Culbreath, PA-CSan Jose, CA 951241558725176
- Shaun Frost, PASan Jose, CA 951241548301773
- Monica Gascon, P.A-CSan Jose, CA 951241699792309
- Benjamin Le, PA-CSan Jose, CA 951241942547732
- Jessica LeSan Jose, CA 951241346601887
- Kristi Leer, PASan Jose, CA 951241356376842
Common questions
What is Yu Kor Ruby Chun, PA-C, RD's NPI number?
Yu Kor Ruby Chun, PA-C, RD's National Provider Identifier (NPI) is 1306354618, issued on Jan 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Yu Kor Ruby Chun, PA-C, RD located?
The NPPES record lists a practice address at 2425 Samaritan Dr, San Jose, CA, 95124. Phone: (408) 559-2011. Providers update this record themselves, so call before visiting.
How can I verify Yu Kor Ruby Chun, PA-C, RD's license?
NPPES lists California license number 55562, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Yu Kor Ruby Chun, PA-C, RD prescribe under Medicare Part D?
In 2024, Yu Kor Ruby Chun, PA-C, RD had 41 Medicare Part D claims for 22 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.