William V. Irby, DO
NPI 1902874779ActiveIndividual· Family Medicine· Hamilton, MO
Family Medicine (DO) in Hamilton, Missouri, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $800,597 for 11,662 claims, against $659.26 paid for services in 2024. Dexcom, Inc. was the largest of 12 companies reporting payments in 2025, $722.06 in all, mostly food and beverage.
Overview
| NPI | 1902874779 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 9, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Nov 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | R3G66 | 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 - General Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 95 across 13 procedure codes |
| Paid by Medicare | $659.26 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,662 · 18,541 30-day fills |
|---|---|
| Patients | 659 |
| Total drug cost | $800,597 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | General Practice |
Medical group
- Northwest Health Services IncMound City, MO · 19 clinicians
Hospital affiliations
- Cameron Regional Medical CenterCameron, MO
- Liberty HospitalLiberty, MO
Other facilities
- Cameron Regional Medical Center Home Health AgencyHome health agency · Cameron, MO
- Freudenthal HospiceHospice · Saint Joseph, MO
- Hill Crest ManorNursing home · Hamilton, MO
Industry payments (Open Payments)
- 2025$722.06 · 33 payments from 12 companies
- 2024$1,040 · 61 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $133.33 | 2 |
| Vanda Pharmaceuticals Inc. | $110.44 | 6 |
| Amgen Inc. | $110.15 | 6 |
| Otsuka America Pharmaceutical, Inc. | $97.69 | 4 |
| Lilly USA, LLC | $69.34 | 4 |
What the 2025 payments were for
- Food and Beverage$722.06 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Hamilton
- 1396910469
- 1255315289