Christopher Hueser, D.O.,M.S.
NPI 1578768321ActiveIndividual· Internal Medicine, Hematology & Oncology· Washington, MO
Internal Medicine, Hematology & Oncology (D.O.,M.S.) in Washington, Missouri, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $6,801,030 for 2,971 claims, against $72,475 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $12,073 in all, mostly speaking and faculty fees.
Overview
| NPI | 1578768321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O.,M.S. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2007 |
| Last updated in NPPES | Aug 27, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 2009029104 | 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 - Medical Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 319 |
|---|---|
| Services billed | 1,127 across 9 procedure codes |
| Paid by Medicare | $72,475 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,971 · 4,105 30-day fills |
|---|---|
| Patients | 428 |
| Total drug cost | $6,801,030 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Medical Oncology |
Medical group
- Mercy Clinic Oncology LLCSaint Louis, MO · 33 clinicians
Hospital affiliations
- Hermann Area District HospitalHermann, MO
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
Industry payments (Open Payments)
- 2025$12,073 · 12 payments from 2 companies
- 2024$3,497 · 14 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $11,998 | 8 |
| Emd Serono, Inc. | $75.08 | 4 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,700 · 5 payments
- Food and Beverage$372.92 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Washington
- 1407169915
- 1023015419
- 1568561678
All Internal Medicine, Hematology & Oncology providers in Missouri →