Alexander Ernst, M.D.
NPI 1376923193ActiveIndividual· Dermatology· Taylor, MI
Dermatology (M.D.) in Taylor, Michigan, trained at Wayne State University School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,632,565 for 2,678 claims, against $98,775 paid for services in 2024. Janssen Biotech, Inc. was the largest of 26 companies reporting payments in 2025, $2,360 in all, mostly food and beverage.
Overview
| NPI | 1376923193 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 6, 2015 |
| Last updated in NPPES | Nov 25, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 4301107736 | MI |
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 - Dermatology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 401 |
|---|---|
| Services billed | 1,720 across 52 procedure codes |
| Paid by Medicare | $98,775 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,678 · 2,951 30-day fills |
|---|---|
| Patients | 676 |
| Total drug cost | $1,632,565 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Dermatology |
Medical group
- Michigan Healthcare Professionals PCClarkston, MI · 529 clinicians
Industry payments (Open Payments)
- 2025$2,360 · 141 payments from 26 companies
- 2024$1,923 · 101 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $349.75 | 17 |
| Leo Pharma Inc. | $307.94 | 22 |
| Genzyme Corporation | $295.65 | 11 |
| Novartis Pharmaceuticals Corporation | $219.86 | 21 |
| Abbvie Inc. | $192.64 | 13 |
What the 2025 payments were for
- Food and Beverage$2,281 · 139 payments
- Education$78.64 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other dermatologists in Taylor
- 1154701712