Clark Olavi Andelin, MD
NPI 1013114453ActiveIndividual· Obstetrics & Gynecology· Quincy, IL
Obstetrics & Gynecology (MD) in Quincy, Illinois, licensed in IL and MO, with an NPI issued in June 2007. Part D covered 129 prescriptions written in 2024, 89% of them generic. Organon LLC was the largest of 2 companies reporting payments in 2025, $38.66 in all, mostly food and beverage.
Overview
| NPI | 1013114453 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 29, 2007 |
| Last updated in NPPES | Jan 13, 2026 |
| Certified by provider | Jan 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036148618 | IL |
| Obstetrics & Gynecology | 207V00000X | 2007019019 | MO |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 178 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $14,188 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2025$38.66 · 3 payments from 2 companies
- 2024$24.09 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $25.60 | 2 |
| Mayne Pharma Commercial LLC | $13.06 | 1 |
What the 2025 payments were for
- Food and Beverage$38.66 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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