Corey Stephan Macrander, MD
NPI 1346747755ActiveIndividual· Internal Medicine· Appleton, WI
Internal Medicine (MD) in Appleton, Wisconsin, trained at Wayne State University School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $1,188,209 for 14,842 claims, against $117,859 paid for services in 2024. Sanofi-Aventis U.S. LLC was the largest of 2 companies reporting payments in 2025, $65.60 in all, mostly food and beverage.
Overview
| NPI | 1346747755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 11, 2018 |
| Last updated in NPPES | Jul 22, 2021 |
| Certified by provider | Jul 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 72866-20 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 4,601 across 150 procedure codes |
| Paid by Medicare | $117,859 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,842 · 32,348 30-day fills |
|---|---|
| Patients | 931 |
| Total drug cost | $1,188,209 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
Medical group
- Primary Care Associates of Appleton, LtdAppleton, WI · 31 clinicians
Hospital affiliations
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
- Thedacare Regional Med Ctr - NeenahNeenah, WI
- Thedacare Regional Medical Center - Appleton IncAppleton, WI
Other facilities
- Thedacare at HomeHome health agency · Appleton, WI
- Moments Hospice of AppletonHospice · Appleton, WI
- Thedacare at HomeHospice · Appleton, WI
Industry payments (Open Payments)
- 2025$65.60 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $48.23 | 2 |
| Amgen Inc. | $17.37 | 1 |
What the 2025 payments were for
- Food and Beverage$65.60 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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