DI YAN MD
NPI 1841795671
Dermatology in Madison, WI
About Di Yan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DI YAN MD (NPI 1841795671) is an individual dermatology provider in Madison, Wisconsin, licensed in Wisconsin (82556) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Di Yan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Di Yan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 20
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53717 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADISON, WI 53717
MADISON, WI 53717
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Di Yan's NPI number?
The NPI number for Di Yan is 1841795671. It was assigned to this individual provider in the NPPES registry on March 25, 2018.
Where is Di Yan located?
Di Yan practices at 451 Junction Rd, Madison, WI 53717. The listed phone number is (608) 265-7670.
What is Di Yan's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Di Yan enrolled in Medicare?
Yes. Di Yan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Di Yan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Di Yan reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Di Yan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Di Yan accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz and 1 other insurer list Di Yan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Di Yan affiliated with any hospitals?
According to CMS data, Di Yan is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Di Yan was last updated on October 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Di Yan, MD · NPI 1841795671
Dermatology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since March 25, 2018.
## Identity
- **NPI:** 1841795671 (Entity type: Individual)
- **Enumerated:** March 25, 2018
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** 82556 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 451 JUNCTION RD, Madison, WI 53717-2656
- **Phone:** (608) 265-7670
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2018
## Record status
- **NPPES last updated:** October 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1841795671) · Data from the CMS NPPES public registry.