Dr. Won Kye Yu, MD
- Medicare services, 2024
- 1,158
- Medicare patients, 2024
- 326
- Part D claims, 2024
- 2,782
- Publications
- 1
- MIPS score, 2024
- 90
- Practice address
- 1140 West La Veta Ave, Suite 300, Orange, CA 92868
- Practice phone
- Call (949) 390-9656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pavilion Surgery Center
Surgery Center - Medicare-Certified · Orange, California
Find Dr. Yu's professional email, personal email and mobile number
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Dr. Won Kye Yu is a gastroenterologist in Orange, California
Dr. Yu practices at Pavilion Surgery Center in Orange, California.
Dr. Yu's NPI, 1720065303, was assigned on December 27, 2005. Dr. Yu graduated from Lewis Katz School of Medicine in 2000. Dr. Yu's California license number on file is A77275.
- NPI
- 1720065303NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092798090
- NPI enumeration date
- December 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 390-9656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Won Kye Yu practices at Pavilion Surgery Center in Orange, California
Dr. Yu's primary practice is Pavilion Surgery Center, at 1140 West La Veta Ave, Suite 300, Orange, CA 92868. The practice phone is (949) 390-9656.
- Pavilion Surgery Center1140 West La Veta Ave, Suite 300, Orange, CA 92868Phone(949) 390-9656
Source: Dmand AI Affiliation Data
Dr. Won Kye Yu is affiliated with 4 sites of care and 2 medical groups
Dr. Yu's primary practice is Pavilion Surgery Center in Orange, California. Dr. Yu is also affiliated with Providence St. Joseph Hospital Orange. The medical group on file is WON K YU, MD, MPH DIGESTIVE DISEASES. Dmand AI also links Dr. Yu to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Won Kye Yu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yu practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pavilion Surgery Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Won Kye Yu is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Yu's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Yu is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Yu has a license on file in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroduodenitis and gastroenteritis among the conditions Dr. Yu treats.
Gastroenterologists near Dr. Yu
Counts of gastroenterologists 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
Dr. Won Kye Yu billed Medicare for 1,158 services in 2024
CMS data shows 1,158 Medicare services from Dr. Yu across 13 procedure codes in 2024, for 326 Medicare patients. Medicare paid $86,944 for them.
Dr. Yu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5782024: 49614%
- Office and hospital visits
- 2023: 4052024: 3943%
- Surgery
- 2023: 3142024: 25718%
- Other services
- 2023: 132024: 1115%
- Tests and treatments
- 2023: 202024: 0100%
Where Dr. Yu's Medicare services took place, 2024
- In an office79969%
- In a facility35931%
Dr. Yu compared with the California median for gastroenterologists, 2024
- Dr. Yu
- California median
- Medicare services
- 1,158vs 58698% above
- Medicare patients
- 326vs 3028% above
- Part D claims
- 2,504vs 3806.6 times
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Yu'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.
Need commercial claims for Dr. Yu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yu and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Won Kye Yu treated 326 Medicare patients in 2024, average age 75
CMS counts 326 Medicare patients who saw Dr. Yu in 2024. The largest group is 75 to 84, with 141 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Yu's median patient age at 69, with 51% women.
Dr. Yu's Medicare patients by age, 2024
Dr. Yu's Medicare patients by sex, 2024
- Women19460%
- Men13240%
Chronic conditions among Dr. Yu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes40%
- Chronic kidney disease30%
- Osteoporosis26%
- Ischemic heart disease25%
- Cancer22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Won Kye Yu wrote 2,782 Medicare Part D claims in 2024
In 2024, Dr. Yu wrote 2,782 Medicare Part D claims for 860 patients. 83% of them were for generic drugs. CMS names the drug for 2,504 of them, across 34 drugs with 11 or more claims each, at $472,783 in total drug cost. In 2023, CMS named 2,432 claims across 41 drugs.
Dr. Yu's Part D claims by kind of drug, 2024
- Generic2,298 claims83%
- Brand-name484 claims17%
Dr. Yu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Yu's Part D claims, 2024
- Opioids1%15 of 2,782 claims
- Antibiotics5%134 of 2,782 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,4322024: 2,5043%
Drugs named by CMS: 34 in 2024, 41 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Won Kye Yu scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Yu for performance year 2024, reported individually. Dr. Yu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 194 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Yu, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Yu's MIPS scores, performance year 2024
- 90of 100Final score
- 59.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Yu ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 90th percentile194 procedures
- Colonoscopy
- 88th percentile143 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Won Kye Yu has 1 publication on record
Dmand AI links 1 paper to Dr. Yu.
Recent publications by Dr. Yu
See who Dr. Yu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yu works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Won Kye Yu received $9,840 in industry payments from 2016 to 2025
CMS Open Payments shows 503 general payments to Dr. Yu from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $1,389.
General payments to Dr. Yu by program year, 2016 to 2025
General payments to Dr. Yu by kind, 2016 to 2025
- Food and beverage$9,50397%
- Travel and lodging$2833%
- Education$531%
Companies that paid Dr. Yu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Won Kye Yu has 1 award and honors on record
Dmand AI lists 1 award for Dr. Yu, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Yu
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Won Kye Yu graduated from Lewis Katz School of Medicine
Dr. Yu graduated from Lewis Katz School of Medicine in 2000. Dr. Yu is a member of AOA and AGA.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Won Kye Yu accepts plans from 15 insurance carriers
Dr. Yu is in network with 15 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Molina
- +7 more carriersWith a free account
Plan types Dr. Yu accepts, by number of carriers
- PPO9
- HMO8
- Medicare7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Won Kye Yu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Won Kye Yu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Won Kye Yu's NPI number?
Dr. Won Kye Yu's NPI number is 1720065303. It was assigned on December 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Won Kye Yu?
Dr. Won Kye Yu is a gastroenterologist in Orange, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Won Kye Yu practice?
Dr. Yu practices at 1140 West La Veta Ave, Suite 300, Orange, CA 92868. Dr. Yu's primary practice is Pavilion Surgery Center in Orange, California. Dmand AI also links Dr. Yu to 2 group practices and clinics and 1 medical group.
What is Dr. Won Kye Yu's office phone number?
The practice phone on file for Dr. Yu is (949) 390-9656.
What is Dr. Won Kye Yu's medical license number?
Dr. Yu's California license number on file is A77275.
Which hospitals is Dr. Won Kye Yu affiliated with?
Dr. Yu is affiliated with Providence St. Joseph Hospital Orange.
What medical group is Dr. Won Kye Yu part of?
Dr. Yu is linked to WON K YU, MD, MPH DIGESTIVE DISEASES. Dmand AI links Dr. Yu to 1 more medical group.
Does Dr. Won Kye Yu accept Medicare?
Yes. CMS data shows Dr. Yu billed Medicare for 1,158 services in 2024, and Dr. Yu accepts Medicare assignment.
What is Dr. Won Kye Yu's MIPS score?
Dr. Yu's MIPS final score for performance year 2024 is 90 out of 100, reported individually.
How many Medicare patients does Dr. Won Kye Yu see?
CMS counts 326 Medicare patients who saw Dr. Yu in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
Is Dr. Won Kye Yu board certified?
Yes. Dr. Yu is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Won Kye Yu bill to Medicare?
In 2024, Dr. Yu's most billed Medicare services were lab and pathology test (88305), office visit, established patient (99214) and surgery: digestive system (43239).
Where did Dr. Won Kye Yu go to medical school?
Dr. Yu graduated from Lewis Katz School of Medicine in 2000.
What drugs does Dr. Won Kye Yu prescribe most?
In 2024 Medicare Part D data, Dr. Yu's most prescribed drugs by claims were Pantoprazole Sodium, Sod Sulf-Potass Sulf-Mag Sulf and Omeprazole.
Has Dr. Won Kye Yu received payments from drug or device companies?
CMS Open Payments shows $9,840 in general payments to Dr. Yu from 43 companies from 2016 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Won Kye Yu been practicing?
Dr. Yu graduated from medical school in 2000, 26 years ago.
Does Dr. Won Kye Yu do research?
Dmand AI links 1 publication to Dr. Yu.
What insurance does Dr. Won Kye Yu accept?
Dr. Yu is in network with 15 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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