Christopher D. Knudsen, D.O.
NPI 1124258777ActiveIndividual· Internal Medicine, Gastroenterology· Springfield, MO
Internal Medicine, Gastroenterology (D.O.) with Mercy Clinic Springfield Communities, practicing in Springfield, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,449,216 for 2,094 claims, against $79,878 paid for services in 2024. Boston Scientific Corporation reported $108.40 in payments in 2025, mostly food and beverage. Lists Mercy Hospital Springfield as a hospital affiliation.
Overview
| NPI | 1124258777 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 16, 2009 |
| Last updated in NPPES | Nov 2, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2015021892 | MO |
| Internal Medicine | 207R00000X | DO.1164 | AL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 482 |
|---|---|
| Services billed | 838 across 48 procedure codes |
| Paid by Medicare | $79,878 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,094 · 3,013 30-day fills |
|---|---|
| Patients | 761 |
| Total drug cost | $1,449,216 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic Springfield CommunitiesLebanon, MO · 1,120 clinicians
Hospital affiliation
- Mercy Hospital SpringfieldSpringfield, MO
Industry payments (Open Payments)
- 2025$108.40 · 1 payment from 1 company
- 2024$24.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $108.40 | 1 |
What the 2025 payments were for
- Food and Beverage$108.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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