Constance A. Marks, M.D.
NPI 1831398445ActiveIndividual· Specialist· Joliet, IL
Specialist (M.D.) in Joliet, Illinois, trained at Harvard Medical School (class of 2001). In 2024 Medicare paid $272,339 for 695 patients, and Part D covered 1,342 of their prescriptions, 84% of them generic. Boston Scientific Corporation was the largest of 25 companies reporting payments in 2025, $2,580 in all, mostly food and beverage.
Overview
| NPI | 1831398445 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 13, 2007 |
| Last updated in NPPES | Oct 19, 2026 |
| Certified by provider | Oct 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 036079703 | 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 - Urology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 695 |
|---|---|
| Services billed | 8,878 across 96 procedure codes |
| Paid by Medicare | $272,339 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,342 · 2,702 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $224,533 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Uropartners LLCHinsdale, IL · 138 clinicians
Hospital affiliations
- Morris Hospital & Healthcare CentersMorris, IL
- Saint Joseph Medical CenterJoliet, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Industry payments (Open Payments)
- 2025$2,580 · 84 payments from 25 companies
- 2024$1,658 · 71 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $837.80 | 9 |
| Abbvie Inc. | $178.43 | 7 |
| Urogen Pharma, Inc. | $172.66 | 3 |
| Olympus America Inc. | $141.23 | 5 |
| Janssen Biotech, Inc. | $134.94 | 6 |
What the 2025 payments were for
- Food and Beverage$2,545 · 83 payments
- Education$35.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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