Mark T. Klucka, D.O.
NPI 1801902432ActiveIndividual· Family Medicine· Alton, IL
Family Medicine (D.O.) in Alton, Illinois, trained at University of North Texas Hsc, College of Osteopathic Med (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $266,356 for 438 claims, against $53,922 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $286.46 in all, mostly food and beverage.
Overview
| NPI | 1801902432 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 23, 2006 |
| Last updated in NPPES | Sep 19, 2025 |
| Certified by provider | Sep 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036077227 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 036.077227 | IL |
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 - Family Practice (IL); Practitioner - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 298 |
|---|---|
| Services billed | 521 across 35 procedure codes |
| Paid by Medicare | $53,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 438 · 1,000 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $266,356 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Family Practice |
Medical group
- Fairview Heights Medical Group SCAlton, IL · 444 clinicians
Hospital affiliations
- Alton Memorial HospitalAlton, IL
- Barnes Jewish HospitalSaint Louis, MO
- Christian Hospital NortheastSaint Louis, MO
- Memorial HospitalBelleville, IL
Industry payments (Open Payments)
- 2025$286.46 · 12 payments from 2 companies
- 2024$350.11 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $195.30 | 9 |
| Genzyme Corporation | $91.16 | 3 |
What the 2025 payments were for
- Food and Beverage$201.47 · 11 payments
- Education$84.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 family medicine physicians in Alton · All family medicine physicians in Illinois