NPPES file of Aug 9, 2026

Victoria Yung

Gastroenterology Physician · Walnut Creek, CA

Victoria Yung is a gastroenterology physician with a practice address in Walnut Creek, California, and NPI 1750670774, issued on Mar 30, 2011. Check the license (California A124473, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750670774
Name
Victoria Yung
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A124473 CA
Self-reported in NPPES; status is on the state search
Practice location
2637 Shadelands Dr, Walnut Creek, CA 94598
Phone
(925) 967-2978
Enumerated
Mar 30, 2011
Record last updated
May 10, 2025
Fax
(925) 967-2997
Medicare enrollment
Enrolled (PECOS I20190719002724); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2637 Shadelands Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anita Anand, NPFamily Nurse Practitioner1023993102
  2. Stacyann Andaya, NPFamily Nurse Practitioner1649893660
  3. Audrey Arzamendi, M.D.Endocrinology, Diabetes & Metabolism Physician1508159567
  4. Anthony Bernens, MDInternal Medicine Physician1215983440
  5. Jennifer Chan, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1265634687
  6. Heidi Chang, MDObstetrics & Gynecology Physician1649681982

Verify Victoria Yung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124473
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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42% fewer Medicare Part D claims than the average gastroenterology physician in 2024

467 Medicare Part D claims for 211 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Victoria Yung467
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf87 claims
  2. Pantoprazole Sodium76 claims
  3. Omeprazole70 claims
  4. Gavilyte-G37 claims
  5. Mesalamine24 claims
  6. Dicyclomine Hcl18 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.

The MIPS final score for 2023 (Medicare payment program): 88.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score92.6
  2. Costout of 100 · 30%64.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,512.71

32 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Victoria Yung$1,512.71
  2. Specialty average$5,015.95

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

  1. Bass Medical GroupWalnut Creek, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Victoria Yung among 2,140 gastroenterology physician records in California

Victoria Yung is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 74% of them.

  • NPI issued2011 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2011 · median 2002 among the 1,538 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Mervyn Becker, MDWalnut Creek, CA 945981841329430
  2. Steve Cheng, MDWalnut Creek, CA 945981245318328
  3. Shireen Ghorbani, M.D.Walnut Creek, CA 945981083845598
  4. Varujan Keledjian, M.D.Walnut Creek, CA 945981508831678
  5. Henry Kung, M.D.Walnut Creek, CA 945981518941673
  6. Will Lane, M.D.Walnut Creek, CA 945981548244684
  7. David Lin, M.D.Walnut Creek, CA 945981982664041
  8. Cynthia Mullen, M.D.Walnut Creek, CA 945981013123140

Common questions

What is Victoria Yung's NPI number?

Victoria Yung's National Provider Identifier (NPI) is 1750670774, issued on Mar 30, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Victoria Yung located?

The NPPES record lists a practice address at 2637 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 967-2978. Providers update this record themselves, so call before visiting.

How can I verify Victoria Yung's license?

NPPES lists California license number A124473, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Victoria Yung prescribe under Medicare Part D?

In 2024, Victoria Yung had 467 Medicare Part D claims for 211 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Victoria Yung's MIPS final score?

The 2023 MIPS final score is 88.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.