Lawrence Paul Landwehr, M.D.
NPI 1265599591ActiveIndividual· Allergy & Immunology, Allergy· Warrensburg, MO
Allergy & Immunology, Allergy (M.D.) in Warrensburg, Missouri, trained at University of New Mexico School of Medicine (class of 1990). In 2024 Medicare paid $103,881 for 205 patients, and Part D covered 419 of their prescriptions, 69% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 12 companies reporting payments in 2025, $629.15 in all, mostly food and beverage.
Overview
| NPI | 1265599591 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 3, 2007 |
| Last updated in NPPES | Jan 29, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | MD111733 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 9,123 across 18 procedure codes |
| Paid by Medicare | $103,881 |
Part D prescriptions in 2024
| Prescriptions (claims) | 419 · 568 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $93,566 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | University of New Mexico School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Psf PLLCMilford, OH · 98 clinicians
Hospital affiliations
- Bothwell Regional Health CenterSedalia, MO
- Western Missouri Medical CenterWarrensburg, MO
Industry payments (Open Payments)
- 2025$629.15 · 28 payments from 12 companies
- 2024$684.10 · 36 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $174.35 | 7 |
| Regeneron Healthcare Solutions, Inc. | $103.84 | 4 |
| Novartis Pharmaceuticals Corporation | $64.35 | 3 |
| Lilly USA, LLC | $59.60 | 3 |
| Csl Behring | $47.43 | 2 |
What the 2025 payments were for
- Food and Beverage$629.15 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology, Allergy providers in Warrensburg
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