Keith Alan Lopatka, M.D.
NPI 1770509648ActiveIndividual· Dermatology· Palos Heights, IL
Dermatology (M.D.) in Palos Heights, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2000). 1,041 Medicare patients in 2024, $803,010 paid; nearly all of their 1,234 Part D prescriptions were generic (91%). Abbvie Inc. was the largest of 27 companies reporting payments in 2025, $4,206 in all, mostly food and beverage.
Overview
| NPI | 1770509648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Feb 18, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 036-113547 | IL |
| Dermatology | 207N00000X | 01056082A | IN |
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 - Micrographic Dermatologic Surgery (Mds) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,041 |
|---|---|
| Services billed | 6,912 across 90 procedure codes |
| Paid by Medicare | $803,010 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,234 · 1,375 30-day fills |
|---|---|
| Patients | 526 |
| Total drug cost | $648,265 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Micrographic Dermatologic Surgery (Mds) |
| Secondary specialties | Dermatology |
Medical group
- Illinois Dermatology Institute, LLCLa Grange, IL · 57 clinicians
Industry payments (Open Payments)
- 2025$4,206 · 248 payments from 27 companies
- 2024$7,314 · 304 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $566.39 | 34 |
| Lilly USA, LLC | $461.33 | 27 |
| Janssen Biotech, Inc. | $436.45 | 31 |
| Pfizer Inc. | $348.97 | 24 |
| Incyte Corporation | $337.01 | 14 |
What the 2025 payments were for
- Food and Beverage$4,206 · 248 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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