Micah R. Chan, MD
NPI 1659322048ActiveIndividual· Internal Medicine, Nephrology· Fitchburg, WI
Internal Medicine, Nephrology (MD) with University of Wisconsin Medical Foundation Inc, practicing in Fitchburg, Wisconsin. 236 Medicare patients in 2024, $38,576 paid; nearly all of their 307 Part D prescriptions were generic (97%). Mozarc Medical US LLC was the largest of 3 companies reporting payments in 2025, $6,545 in all, mostly consulting fees. Lists Reedsburg Area Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1659322048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2006 |
| Last updated in NPPES | Jan 28, 2021 |
| Certified by provider | Jan 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 43232 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 236 |
|---|---|
| Services billed | 702 across 41 procedure codes |
| Paid by Medicare | $38,576 |
Part D prescriptions in 2024
| Prescriptions (claims) | 307 · 630 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $8,160 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Reedsburg Area Medical CenterReedsburg, WI
- Richland HospitalRichland Center, WI
- Sauk Prairie HospitalPrairie Du Sac, WI
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
- 2025$6,545 · 14 payments from 3 companies
- 2024$7,977 · 18 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mozarc Medical US LLC | $6,256 | 12 |
| Penumbra, Inc. | $157.01 | 1 |
| Venturemed Group, Inc. | $132.56 | 1 |
What the 2025 payments were for
- Consulting Fee$3,200 · 1 payment
- Travel and Lodging$2,662 · 6 payments
- Food and Beverage$683.59 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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