William D. Kessler Jr., M.D.
NPI 1265421739ActiveIndividual· Hospitalist· Joplin, MO
Hospitalist (M.D.) in Joplin, Missouri, licensed in MO, with an NPI issued in October 2005. In 2024 Medicare paid $30,456 for 174 patients, and Part D covered 280 of their prescriptions, 88% of them generic. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $265.10 in all, mostly food and beverage.
Overview
| NPI | 1265421739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2005 |
| Last updated in NPPES | Apr 15, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | R7G11 | MO |
| Family Medicine | 207Q00000X | R7G11 | 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 - Hospitalist (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 174 |
|---|---|
| Services billed | 431 across 16 procedure codes |
| Paid by Medicare | $30,456 |
Part D prescriptions in 2024
| Prescriptions (claims) | 280 · 299 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $10,311 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2025$265.10 · 4 payments from 2 companies
- 2024$45.21 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $226.26 | 2 |
| Regeneron Healthcare Solutions, Inc. | $38.84 | 2 |
What the 2025 payments were for
- Food and Beverage$265.10 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 hospitalists in Joplin · All hospitalists in Missouri