Dexter Edwin Arrington, M.D.
NPI 1861475121ActiveIndividual· Obstetrics & Gynecology· Olympia Fields, IL
Obstetrics & Gynecology (M.D.) in Olympia Fields, Illinois, trained at Washington University School of Medicine (class of 1990). 40 Medicare patients in 2024, $8,006 paid; nearly all of their 111 Part D prescriptions were generic (95%). Hologic Sales and Service, LLC was the largest of 7 companies reporting payments in 2025, $497.62 in all, mostly food and beverage.
Overview
| NPI | 1861475121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Aug 3, 2023 |
| Certified by provider | Aug 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036089123 | 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); Practitioner - Obstetrics/Gynecology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 40 |
|---|---|
| Services billed | 154 across 34 procedure codes |
| Paid by Medicare | $8,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 111 · 162 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $6,358 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical groups
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
- Specialty Physicians of Illinois LLCOlympia Fields, IL · 102 clinicians
Hospital affiliation
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL
Industry payments (Open Payments)
- 2025$497.62 · 12 payments from 7 companies
- 2024$396.87 · 12 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $237.48 | 5 |
| Organon LLC | $88.28 | 1 |
| Coopersurgical, Inc. | $76.17 | 1 |
| Mayne Pharma Commercial LLC | $35.18 | 2 |
| Astellas Pharma US Inc | $23.29 | 1 |
What the 2025 payments were for
- Food and Beverage$497.62 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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