Di Yan, MD
Dermatology Physician · Madison, WI
Di Yan, MD is a dermatology physician with a practice address in Madison, Wisconsin, and NPI 1841795671, issued on Mar 25, 2018. Check the license (Wisconsin 82556, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Di Yan
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 82556 WI
Self-reported in NPPES; status is on the state search - Practice location
- 451 Junction RD, Madison, WI 53717
- Phone
- (608) 265-7670
- Enumerated
- Mar 25, 2018
- Record last updated
- Oct 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20230919001469); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2018
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 325 in Wisconsin → Look up another NPI →
Also registered at 451 Junction RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Albino, AGNPNurse Practitioner1568238095
- Nicole Amass, NPNurse Practitioner1992769509
- Christopher Anderson, MDInternal Medicine Physician1245869973
- India Anderson-CarterObstetrics & Gynecology Physician1750910667
- Jon Arnason, MDRheumatology Physician1265760433
- William Aughenbaugh, MDDermatology Physician1033178272
Verify Di Yan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 82556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average dermatology physician in 2024
161 Medicare Part D claims for 40 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Ketoconazole15 claims
- Taltz Autoinjector14 claims
- Prednisone13 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): 77.4 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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Di Yan among 325 dermatology physician records in Wisconsin
Di Yan, MD is one of 325 dermatology physician records with a practice address in Wisconsin. 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2009 among the 228 with a school on file
- Record last updated2023 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Wisconsin
There are 325 dermatology physician records in Wisconsin.
All 325 in Wisconsin → Every provider in Madison → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- William Aughenbaugh, MDMadison, WI 537171033178272
- Juliet Aylward, MDMadison, WI 537171144289307
- Theresa Behrs, MDMadison, WI 537171770534943
- Daniel Bennett, M.D.Madison, WI 537171265492490
- Apple Bodemer, MDMadison, WI 537171770546426
- Nasreen Bowhan, M.D.Madison, WI 537171790128452
- Athena Daniolos, MDMadison, WI 537171962461194
- David Falk, MDMadison, WI 537171003868050
Common questions
What is Di Yan, MD's NPI number?
Di Yan, MD's National Provider Identifier (NPI) is 1841795671, issued on Mar 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Di Yan, MD located?
The NPPES record lists a practice address at 451 Junction RD, Madison, WI, 53717. Phone: (608) 265-7670. Providers update this record themselves, so call before visiting.
How can I verify Di Yan, MD's license?
NPPES lists Wisconsin license number 82556, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Di Yan, MD prescribe under Medicare Part D?
In 2024, Di Yan, MD had 161 Medicare Part D claims for 40 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Di Yan, MD's MIPS final score?
The 2023 MIPS final score is 77.4 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.