Xiyan Yi, M.D.,
Neurology Physician · Sioux Falls, SD
Xiyan Yi, M.D., is a neurology physician with a practice address in Sioux Falls, South Dakota, and NPI 1952759805, issued on Jun 1, 2016. Check the license (South Dakota 12109, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Xiyan Yi
- Credential
- M.D.,
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 12109 SD
D0106583 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1210 W 18TH St Ste 100, Sioux Falls, SD 57104
- Phone
- (605) 312-8500
- Enumerated
- Jun 1, 2016
- Record last updated
- May 18, 2026
- Medicare enrollment
- Enrolled (PECOS I20201020002833); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 51 in South Dakota → Look up another NPI →
Also registered at 1210 W 18TH St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Abd ElazimNeurology Physician1285157065
- Nessim Amin, MDNeurology Physician1316369523
- Hasmik Amirjanyan, MDNeurology Physician1396309670
- Alexis Blackwelder, FNPFamily Nurse Practitioner1588291744
- Santiago Diaz GonzalezNeurology Physician1619545993
- Kayla FaberGerontology Nurse Practitioner1184219560
Verify Xiyan Yi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 12109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average neurology physician in 2024
116 Medicare Part D claims for 25 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Levetiracetam41 claims
- Divalproex Sodium Er13 claims
- Divalproex Sodium12 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Xiyan Yi among 51 neurology physician records in South Dakota
Xiyan Yi, M.D., is one of 51 neurology physician records with a practice address in South Dakota. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 69% of them.
- NPI issued2016 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2012 · median 2009 among the 41 with a school on file
- 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 2084N0400X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in South Dakota
There are 51 neurology physician records in South Dakota.
All 51 in South Dakota → Every provider in Sioux Falls → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Ahmed Abd ElazimSioux Falls, SD 571041285157065
- Nessim Amin, MDSioux Falls, SD 571041316369523
- Hasmik Amirjanyan, MDSioux Falls, SD 571041396309670
- Mehwish FarooqiSioux Falls, SD 571041982199303
- Efrat Feldman, M.DSioux Falls, SD 571041821303959
- Xuesheng Feng, MDSioux Falls, SD 571041881880987
- Jerome Freeman, MDSioux Falls, SD 571041609899665
- Fanny Jaquez, MDSioux Falls, SD 571041740212208
Common questions
What is Xiyan Yi, M.D.,'s NPI number?
Xiyan Yi, M.D.,'s National Provider Identifier (NPI) is 1952759805, issued on Jun 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Xiyan Yi, M.D., located?
The NPPES record lists a practice address at 1210 W 18TH St Ste 100, Sioux Falls, SD, 57104. Phone: (605) 312-8500. Providers update this record themselves, so call before visiting.
How can I verify Xiyan Yi, M.D.,'s license?
NPPES lists South Dakota license number 12109, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Xiyan Yi, M.D., prescribe under Medicare Part D?
In 2024, Xiyan Yi, M.D., had 116 Medicare Part D claims for 25 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Xiyan Yi, M.D.,'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.