Olivia Dayea Yun, M.D.
Family Medicine Physician · Austin, TX
Olivia Dayea Yun, M.D. is a family medicine physician with a practice address in Austin, Texas, and NPI 1477967164, issued on Jun 20, 2014. Check the license (Texas R1678, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Olivia Dayea Yun
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R1678 TX
Self-reported in NPPES; status is on the state search - Practice location
- 10700 Anderson Mill RD Ste 300, Austin, TX 78750
- Phone
- (737) 239-1211
- Enumerated
- Jun 20, 2014
- Record last updated
- Jul 1, 2026
- Fax
- (737) 200-8226
- Medicaid IDs
- 377844101 TX
377844102 TX - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify Olivia Dayea Yun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R1678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
59 Medicare Part D claims for 34 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of 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): 31.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Olivia Dayea Yun among 11,119 family medicine physician records in Texas
Olivia Dayea Yun, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
544 family medicine physician records list a practice address in Austin
They are 544 of the 26,585 NPPES records with a practice address in Austin, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Austin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Maxwell Axler, M.D.Austin, TX 787501184678757
- David Blomstrom, M.D.Austin, TX 787501497929236
- Barbara Gray, M.D.Austin, TX 787501003841909
- Madhu Hooda, MDAustin, TX 787501669487724
- Dominique Isaac, MDAustin, TX 787501497761761
- Wendy Lankford, MDAustin, TX 787501275548331
- David Martin, M.D.Austin, TX 787501912114307
- John Morrow, MDAustin, TX 787501609882950
Common questions
What is Olivia Dayea Yun, M.D.'s NPI number?
Olivia Dayea Yun, M.D.'s National Provider Identifier (NPI) is 1477967164, issued on Jun 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Dayea Yun, M.D. located?
The NPPES record lists a practice address at 10700 Anderson Mill RD Ste 300, Austin, TX, 78750. Phone: (737) 239-1211. Providers update this record themselves, so call before visiting.
How can I verify Olivia Dayea Yun, M.D.'s license?
NPPES lists Texas license number R1678, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Olivia Dayea Yun, M.D. prescribe under Medicare Part D?
In 2024, Olivia Dayea Yun, M.D. had 59 Medicare Part D claims for 34 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Olivia Dayea Yun, M.D.'s MIPS final score?
The 2023 MIPS final score is 31.9 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.