Maria Ann Kronlage, D.O.
NPI 1326364316ActiveIndividual· Obstetrics & Gynecology· Oak Lawn, IL
Obstetrics & Gynecology (D.O.) in Oak Lawn, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2010). 14 Medicare patients in 2024, $1,885 paid; all of their 61 Part D prescriptions were generic. Exeltis, USA Inc. was the largest of 9 companies reporting payments in 2025, $382.84 in all, mostly food and beverage.
Overview
| NPI | 1326364316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2010 |
| Last updated in NPPES | Dec 29, 2021 |
| Certified by provider | Dec 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036.132071 | 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 - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 31 across 12 procedure codes |
| Paid by Medicare | $1,885 |
Part D prescriptions in 2024
| Prescriptions (claims) | 61 · 102 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $621.99 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Foti Chronopoulos MD SCOak Lawn, IL · 6 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
- 2025$382.84 · 17 payments from 9 companies
- 2024$354.08 · 18 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exeltis, USA Inc. | $85.51 | 4 |
| Hologic Sales and Service, LLC | $76.71 | 2 |
| Organon LLC | $65.92 | 3 |
| Astellas Pharma US Inc | $61.41 | 3 |
| Coopersurgical, Inc. | $24.30 | 1 |
What the 2025 payments were for
- Food and Beverage$382.84 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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