NPPES file of Aug 9, 2026

Cindy Se Yeon Youn, DO

Anesthesiology Physician · Modesto, CA

Cindy Se Yeon Youn, DO is an anesthesiology physician with a practice address in Modesto, California, and NPI 1932660693, issued on Mar 26, 2019. Check the license (California 20A21678, 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
1932660693
Name
Cindy Se Yeon Youn
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
20A21678 CA
322612 NY
Self-reported in NPPES; status is on the state search
Practice location
1441 Florida Ave, Modesto, CA 95350
Phone
(559) 494-4030
Enumerated
Mar 26, 2019
Record last updated
May 8, 2024
Fax
(559) 334-3145
Medicare enrollment
Enrolled (PECOS I20240528001127); 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 1441 Florida Ave

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

  1. Husam Abdulnour, M.DPediatrics Physician1740451749
  2. Mohammed Abo Khamis, M.D.Pulmonary Disease Physician1508098419
  3. Thadeo Aceves, PA-CPhysician Assistant1821358375
  4. Arya AfzaliStudent in an Organized Health Care Education/Training Program1841975646
  5. Sheena Allen, PAMedical Physician Assistant1134473564
  6. Angel Arellano, PA-CPhysician Assistant1114864634

Verify Cindy Se Yeon Youn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A21678
    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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93% fewer Medicare Part D claims than the average anesthesiology physician in 2024

28 Medicare Part D claims for 28 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Cindy Youn28
  2. Specialty average402

Most prescribed

  1. Mupirocin28 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score78.0
  2. Costout of 100 · 30%61.0
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Valley Regional Anesthesia Associates IncModesto, CA

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

Cindy Se Yeon Youn among 7,571 anesthesiology physician records in California

Cindy Se Yeon Youn, DO is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.

  • NPI issued2019 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2019 · median 2006 among the 4,868 with a school on file
  • Record last updated2024 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 anesthesiology physician records list a practice address in Modesto

They are 75 of the 9,262 NPPES records with a practice address in Modesto, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. John Chan, M.D.Modesto, CA 953501508859398
  2. Juan Cucalon, M.D.Modesto, CA 953501649251083
  3. Robert Goldman, MDModesto, CA 953501528084043
  4. Charles Hsu, MDModesto, CA 953501457377988
  5. Myung Kim, MDModesto, CA 953501104842640
  6. Won Kim, MDModesto, CA 953501467478909
  7. Hwan Kim, MDModesto, CA 953501245256775
  8. Yhi-Hong Liau, MDModesto, CA 953501265458707

Common questions

What is Cindy Se Yeon Youn, DO's NPI number?

Cindy Se Yeon Youn, DO's National Provider Identifier (NPI) is 1932660693, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Cindy Se Yeon Youn, DO located?

The NPPES record lists a practice address at 1441 Florida Ave, Modesto, CA, 95350. Phone: (559) 494-4030. Providers update this record themselves, so call before visiting.

How can I verify Cindy Se Yeon Youn, DO's license?

NPPES lists California license number 20A21678, 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 Cindy Se Yeon Youn, DO prescribe under Medicare Part D?

In 2024, Cindy Se Yeon Youn, DO had 28 Medicare Part D claims for 28 beneficiaries; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.

What is Cindy Se Yeon Youn, DO's MIPS final score?

The 2023 MIPS final score is 76.7 of 100, reported for the practice group. 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.