Yu Kor Ruby Chun, PA-C, RD

  • San Jose, CA
  • Physician assistant
NPI1306354618PAC ID9032504253
Medicare services, 2024
162
Medicare patients, 2024
82
Part D claims, 2024
41
Hospital affiliations
1
Medical groups
2
Practice address
2425 Samaritan Drive, San Jose, CA 95124
Practice phone
Call (408) 559-2011
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Good Samaritan Hospital

Hospital · San Jose, California

See all 3 affiliations

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Yu Kor Ruby Chun is a physician assistant in San Jose, California

Yu Kor Chun practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.

Yu Kor Chun's NPI, 1306354618, was assigned on January 21, 2018. Yu Kor Chun holds California license 55562.

NPI and contact details
Medicare PAC ID
9032504253
NPI enumeration date
January 21, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 559-2011
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Yu Kor Ruby Chun practices at Good Samaritan Hospital in San Jose, California

Yu Kor Chun's primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.

Source: Dmand AI Affiliation Data

Yu Kor Ruby Chun is affiliated with 1 site of care and 2 medical groups

Yu Kor Chun's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Yu Kor Chun to 1 more medical group, named with a free account.

See all 3 affiliations for Yu Kor Chun

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Yu Kor Ruby Chun's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Yu Kor Chun practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Good Samaritan HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Yu Kor Ruby Chun is one of 11,482 physician assistants in California

Physician assistant is Yu Kor Chun's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Yu Kor Chun's licenses on file in 2 states: California and Oregon.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 55562 · taxonomy 363A00000X
  • Registered dietitian, OregonLicense 1003397 · taxonomy 133V00000X

Physician assistants near Yu Kor Chun

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Yu Kor Ruby Chun billed Medicare for 162 services in 2024

CMS data shows 162 Medicare services from Yu Kor Chun across 3 procedure codes in 2024, for 82 Medicare patients. Medicare paid $10,494 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024162
Medicare patients82
Paid by Medicare$10,494
Procedure codes3

Yu Kor Chun compared with the California median for physician assistants, 2024

  • Yu Kor Chun
  • California median
Medicare services
162vs 20421% below
Medicare patients
82vs 10522% below

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Yu Kor Chun's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Yu Kor Ruby Chun treated 82 Medicare patients in 2024, average age 79

CMS counts 82 Medicare patients who saw Yu Kor Chun in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Yu Kor Chun's median patient age at 65, with 54% women.

Medicare patients, 202482
Average age79
Average risk score2.60
Also on Medicaid46%

Yu Kor Chun's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Yu Kor Chun's Medicare patients by sex, 2024

  • Women4859%
  • Men3441%

Chronic conditions among Yu Kor Chun's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis50%
  4. Chronic kidney disease48%
  5. Diabetes48%
  6. Atrial fibrillation45%
  7. Heart failure43%
  8. Ischemic heart disease40%

Share of Medicare patients with each condition. A patient can have several.

Yu Kor Chun's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women54%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Yu Kor Ruby Chun wrote 41 Medicare Part D claims in 2024

In 2024, Yu Kor Chun wrote 41 Medicare Part D claims for 22 patients. 95% of them were for generic drugs.

Part D claims, 202441
Part D patients22

Yu Kor Chun's Part D claims by kind of drug, 2024

  • Generic39 claims95%
  • Brand-name and other2 claims5%

Drug classes CMS tracks in Yu Kor Chun's Part D claims, 2024

  • Opioids51%21 of 41 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Yu Kor Ruby Chun takes part in Medicare

Yu Kor Chun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Yu Kor Ruby Chun's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Yu Kor Ruby Chun

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Yu Kor Ruby Chun's NPI number?

Yu Kor Ruby Chun's NPI number is 1306354618. It was assigned on January 21, 2018, and it is active in the NPI Registry.

What does Yu Kor Ruby Chun specialize in?

Yu Kor Ruby Chun is a physician assistant in San Jose, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Yu Kor Ruby Chun practice?

Yu Kor Chun practices at 2425 Samaritan Drive, San Jose, CA 95124. Yu Kor Chun's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dmand AI also links Yu Kor Chun to 1 medical group.

What is Yu Kor Ruby Chun's office phone number?

The practice phone on file for Yu Kor Chun is (408) 559-2011.

What is Yu Kor Ruby Chun's medical license number?

Yu Kor Chun holds California license 55562, one of the licenses on file in 2 states.

Which states has Yu Kor Ruby Chun been licensed in?

Dmand AI has state licenses on file for Yu Kor Chun in California and Oregon.

Which hospitals is Yu Kor Ruby Chun affiliated with?

Yu Kor Chun practices at Good Samaritan Hospital in San Jose, California.

What medical group is Yu Kor Ruby Chun part of?

Yu Kor Chun is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI links Yu Kor Chun to 1 more medical group.

Does Yu Kor Ruby Chun accept Medicare?

Yes. CMS data shows Yu Kor Chun billed Medicare for 162 services in 2024, and Yu Kor Chun accepts Medicare assignment.

How many Medicare patients does Yu Kor Ruby Chun see?

CMS counts 82 Medicare patients who saw Yu Kor Chun in 2024, with an average age of 79.

What services does Yu Kor Ruby Chun bill to Medicare?

In 2024, Yu Kor Chun's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99231).

How long has Yu Kor Ruby Chun been practicing?

Yu Kor Chun graduated from medical school in 2018, 8 years ago.

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