Isaiah Wesley Tan, MD
Diagnostic Radiology · Neurology (CMS) · Madison, WI
At a glance
600 Highland Ave, Madison, WI 53792-0001
NPPES record updated Mar 5, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
600 Highland AveMadison, WI 53792-0001
Additional reported practice locations
1000 Mineral Point AveJanesville, WI 535482940
Phone: 6087566000 N2950 State Road 67
Lake Geneva, WI 531472655
Phone: 2622450535 1604 S Hillcrest St
Urbana, IL 618015006
Phone: 2175214796
Education & affiliations
- Medical / professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb)
- Graduation year
- 2019
- CMS specialties
- Diagnostic Radiology · Neurology
Practice groups
- Fort Healthcare Inc
- Group Health Cooperative Of South Central Wisconsin
- University Of Wisconsin Medical Foundation Inc
- University Of Wisconsin System Non Payroll
Reported hospital affiliations
- Fort Memorial Hospital Fort Atkinson, WI
- Mile Bluff Medical Center Mauston, WI
- Richland Hospital Richland Center, WI
- Unitypoint Health - Meriter Madison, WI
- University Of Wi Hospitals & Clinics Authority Madison, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology · Neurology (CMS)
- Taxonomy code
- 2085R0202X
- Enumeration date
- Apr 1, 2019
- Record updated
- Mar 5, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2085N0700X
License reported: 75143 WI
2085R0202X · Primary
License reported: 75143-20 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
600 Highland AveMadison, WI 53792-0001
- Phone
- (608) 263-6400
Mailing address
7974 UW HEALTH CTMIDDLETON, WI 535625531
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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