Christopher Phelan Ahlering, MD
NPI 1295312817ActiveIndividual· Emergency Medicine· Saint Louis, MO
Emergency Medicine (MD) in Saint Louis, Missouri, trained at University of Missouri, Kansas City, School of Medicine (class of 2021). 121 Medicare patients in 2024, $17,234 paid; nearly all of their 132 Part D prescriptions were generic (96%). Millicent US Inc was the largest of 3 companies reporting payments in 2025, $92.69 in all, mostly food and beverage.
Overview
| NPI | 1295312817 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 28, 2021 |
| Last updated in NPPES | Jul 29, 2024 |
| Certified by provider | Jul 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 2024016526 | MO |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Emergency Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 138 across 15 procedure codes |
| Paid by Medicare | $17,234 |
Part D prescriptions in 2024
| Prescriptions (claims) | 132 · 148 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $2,949 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Emergency Medicine |
Medical group
- Cep America LLCJacksonville, FL · 1,023 clinicians
Hospital affiliation
- Ssm Health St Mary's Hospital - St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$92.69 · 4 payments from 3 companies
- 2024$50.38 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Millicent US Inc | $39.82 | 2 |
| Hologic Sales and Service, LLC | $38.55 | 1 |
| Mayne Pharma Commercial LLC | $14.32 | 1 |
What the 2025 payments were for
- Food and Beverage$92.69 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 439 emergency medicine physicians in Saint Louis · All emergency medicine physicians in Missouri