Darren L. Lehnert, MD
NPI 1619042249ActiveIndividual· Obstetrics & Gynecology· Springfield, MO
Obstetrics & Gynecology (MD) in Springfield, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $8,115 for 102 claims, against $4,356 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 5 companies reporting payments in 2025, $103.36 in all, mostly food and beverage.
Overview
| NPI | 1619042249 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 21, 2006 |
| Last updated in NPPES | Aug 6, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 114752 | 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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 74 across 14 procedure codes |
| Paid by Medicare | $4,356 |
Part D prescriptions in 2024
| Prescriptions (claims) | 102 · 226 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $8,115 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Mercy Clinic Springfield CommunitiesLebanon, MO · 1,120 clinicians
Hospital affiliation
- Mercy Hospital SpringfieldSpringfield, MO
Industry payments (Open Payments)
- 2025$103.36 · 5 payments from 5 companies
- 2024$239.83 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $30.29 | 1 |
| Hologic Sales and Service, LLC | $19.49 | 1 |
| Boston Scientific Corporation | $19.37 | 1 |
| Astellas Pharma US Inc | $19.22 | 1 |
| Organon LLC | $14.99 | 1 |
What the 2025 payments were for
- Food and Beverage$103.36 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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