Victoria Y. Yung

  • Walnut Creek, CA
  • Gastroenterologist
NPI1750670774PAC ID2264736263
Medicare services, 2024
673
Medicare patients, 2024
346
Part D claims, 2024
467
Publications
2
MIPS score, 2024
90
Practice address
2750 Sycamore Dr, Simi Valley, CA 93065
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Aspen Surgery Center - HOPD

Acute Care Hospital outpatient department · Simi Valley, California

See all 11 affiliations

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Victoria Y. Yung is a gastroenterologist in Walnut Creek, California

Victoria Yung practices at Aspen Surgery Center - HOPD in Simi Valley, California.

Victoria Yung's NPI, 1750670774, was assigned on March 30, 2011. Victoria Yung holds California license A124473.

NPI and contact details
Medicare PAC ID
2264736263
NPI enumeration date
March 30, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
41
Medical school graduation
2011

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

Victoria Y. Yung practices in Simi Valley and Walnut Creek

Victoria Yung's primary practice is Aspen Surgery Center - HOPD, at 2750 Sycamore Dr, Simi Valley, CA 93065. Victoria Yung also practices at Aspen Surgery Center, 133 La Casa Via, Walnut Creek, CA 94598.

  • Aspen Surgery Center - HOPDPrimary
    2750 Sycamore Dr, Simi Valley, CA 93065
  • Aspen Surgery Center
    133 La Casa Via, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 210-8400

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Victoria Y. Yung is affiliated with 7 sites of care and 4 medical groups

Victoria Yung's primary practice is Aspen Surgery Center - HOPD in Simi Valley, California. Victoria Yung is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is BASS Medical Group. Dmand AI also links Victoria Yung to 1 more hospital, 4 group practices and clinics and 3 medical groups, each named with a free account.

See all 11 affiliations for Victoria Yung

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Victoria Y. Yung's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Victoria Yung practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Aspen Surgery Center - HOPDAvailable with a free account
+6 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Victoria Y. Yung is one of 1,977 gastroenterologists in California

Gastroenterology is Victoria Yung's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Victoria Yung is licensed in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A124473 · taxonomy 207RG0100X

Gastroenterologists near Victoria Yung

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

Victoria Y. Yung billed Medicare for 673 services in 2024

CMS data shows 673 Medicare services from Victoria Yung across 13 procedure codes in 2024, for 346 Medicare patients. Medicare paid $79,502 for them.

Medicare services, 2024673
Medicare patients346
Paid by Medicare$79,502
Procedure codes13

Victoria Yung's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2832024: 40945%
Surgery
2023: 1602024: 23144%
Other services
2023: 02024: 33

Where Victoria Yung's Medicare services took place, 2024

  • In an office23335%
  • In a facility44065%

Victoria Yung compared with the California median for gastroenterologists, 2024

  • Victoria Yung
  • California median
Medicare services
673vs 58615% above
Medicare patients
346vs 30215% above
Part D claims
342vs 38010% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Victoria Yung'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

Victoria Y. Yung treated 346 Medicare patients in 2024, average age 74

CMS counts 346 Medicare patients who saw Victoria Yung in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Victoria Yung's median patient age at 61, with 72% women.

Medicare patients, 2024346
Average age74
Average risk score1.54
Also on Medicaid22%

Victoria Yung's Medicare patients by age, 2024

Victoria Yung's Medicare patients by sex, 2024

  • Women23267%
  • Men11433%

Chronic conditions among Victoria Yung's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis45%
  4. Chronic kidney disease34%
  5. Mood disorders31%
  6. Diabetes30%
  7. Anxiety27%
  8. Depression27%

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

Victoria Yung's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women72%
  • Men26%

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

Victoria Y. Yung wrote 467 Medicare Part D claims in 2024

In 2024, Victoria Yung wrote 467 Medicare Part D claims for 211 patients. 78% of them were for generic drugs. CMS names the drug for 342 of them, across 8 drugs with 11 or more claims each, at $80,740 in total drug cost. In 2023, CMS named 251 claims across 5 drugs.

Part D claims, 2024467
Drugs named by CMS8
Total drug cost$80,740
Part D patients211

Victoria Yung's Part D claims by kind of drug, 2024

  • Generic365 claims78%
  • Brand-name102 claims22%

Victoria Yung'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 Victoria Yung's Part D claims, 2024

  • Antibiotics4%19 of 467 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: 2512024: 34236%

Drugs named by CMS: 8 in 2024, 5 in 2023.

See all prescribing by Victoria Yung

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

Victoria Y. Yung 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 Victoria Yung for performance year 2024, reported as part of a group. Victoria Yung accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Victoria Yung as offering telehealth. CMS counts 128 procedures of colonoscopy by Victoria Yung, more than 85% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Victoria Yung's MIPS scores, performance year 2024

  • 90of 100Final score
  • 89.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Victoria Yung ranks in Medicare procedure volume

Colonoscopy
85th percentile128 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
58th percentile35 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)

For MedTech and pharma teams

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Victoria Y. Yung has 2 publications on record

Dmand AI links 2 papers to Victoria Yung in 2015. Victoria Yung's most frequent co-author is Emily Hsu, MD.

Papers2

Victoria Yung's most frequent co-authors

Recent publications by Victoria Yung

See all 2 publications and co-authors

See who Victoria Yung researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Victoria Yung works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Victoria Y. Yung received $6,546 in industry payments from 2016 to 2025

CMS Open Payments shows 180 general payments to Victoria Yung from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Abbvie Inc. paid the most, $2,497.

General payments to Victoria Yung by program year, 2016 to 2025

General payments to Victoria Yung by kind, 2016 to 2025

$6.5Kin total
  • Food and beverage$6,25195%
  • Education$2955%

Companies that paid Victoria Yung the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Victoria Yung

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Victoria Y. Yung'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation 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 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (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 Victoria Y. Yung

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

What is Victoria Y. Yung's NPI number?

Victoria Y. Yung's NPI number is 1750670774. It was assigned on March 30, 2011, and it is active in the NPI Registry.

What does Victoria Y. Yung specialize in?

Victoria Y. Yung is a gastroenterologist in Walnut Creek, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Victoria Y. Yung practice?

Victoria Yung practices at 2750 Sycamore Dr, Simi Valley, CA 93065. Victoria Yung also practices at 133 La Casa Via, Walnut Creek, CA 94598. Victoria Yung's primary practice is Aspen Surgery Center - HOPD in Simi Valley, California. Dmand AI also links Victoria Yung to 1 hospital, 4 group practices and clinics and 3 medical groups.

What is Victoria Y. Yung's medical license number?

Victoria Yung holds California license A124473.

Which hospitals is Victoria Y. Yung affiliated with?

Victoria Yung is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Victoria Yung to 1 more hospital.

What medical group is Victoria Y. Yung part of?

Victoria Yung is linked to BASS Medical Group. Dmand AI links Victoria Yung to 3 more medical groups.

Does Victoria Y. Yung accept Medicare?

Yes. CMS data shows Victoria Yung billed Medicare for 673 services in 2024, and Victoria Yung accepts Medicare assignment.

Does Victoria Y. Yung offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Victoria Yung as offering telehealth services.

What is Victoria Y. Yung's MIPS score?

Victoria Yung's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

How many Medicare patients does Victoria Y. Yung see?

CMS counts 346 Medicare patients who saw Victoria Yung in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

What services does Victoria Y. Yung bill to Medicare?

In 2024, Victoria Yung's most billed Medicare services were hospital inpatient care (99232), surgery: digestive system (45380) and office visit, new patient (99204).

What drugs does Victoria Y. Yung prescribe most?

In 2024 Medicare Part D data, Victoria Yung's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Omeprazole.

Has Victoria Y. Yung received payments from drug or device companies?

CMS Open Payments shows $6,546 in general payments to Victoria Yung from 28 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Victoria Y. Yung been practicing?

Victoria Yung graduated from medical school in 2011, 15 years ago.

Does Victoria Y. Yung do research?

Dmand AI links 2 publications to Victoria Yung.

Who does Victoria Y. Yung publish with?

Victoria Yung's most frequent co-authors are Emily Hsu, MD (1 shared paper).

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