Andrew Egan Armstrong, MD
NPI 1881675346ActiveIndividual· Anesthesiology· Columbia, MO
Anesthesiology (MD) with Orthomed Staffing LLC and 2 other groups, practicing in Columbia, Missouri. Medicare paid $17,179 for services to 142 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $80.09 in all, mostly food and beverage. Lists Research Medical Center as a hospital affiliation.
Overview
| NPI | 1881675346 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 10, 2005 |
| Last updated in NPPES | May 1, 2025 |
| Certified by provider | May 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 2004010173 | MO |
| Anesthesiology | 207L00000X | 04-30519 | KS |
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 - Anesthesiology (KS); Practitioner - Anesthesiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 154 across 49 procedure codes |
| Paid by Medicare | $17,179 |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical groups
- Orthomed Staffing LLCPlano, TX · 416 clinicians
- Northstar Anesthesia of Missouri LLCJoplin, MO · 89 clinicians
- Capital Anesthesia Solutions of Missouri LLCKansas City, MO · 68 clinicians
Hospital affiliation
- Research Medical CenterKansas City, MO
Industry payments (Open Payments)
- 2025$80.09 · 3 payments from 2 companies
- 2024$30.40 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $44.05 | 2 |
| Becton, Dickinson and Company | $36.04 | 1 |
What the 2025 payments were for
- Food and Beverage$80.09 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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