Alyssa Leigh Keller, M.D.
NPI 1588892665ActiveIndividual· Family Medicine· O Fallon, MO
Family Medicine (M.D.) in O Fallon, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $243,281 for 3,832 claims, against $27,417 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,122 in all, mostly food and beverage.
Overview
| NPI | 1588892665 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2009 |
| Last updated in NPPES | Jun 30, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2009017184 | 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 - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 102 |
|---|---|
| Services billed | 367 across 20 procedure codes |
| Paid by Medicare | $27,417 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,832 · 9,841 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $243,281 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliations
- Mercy Hospital LincolnTroy, MO
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$1,122 · 64 payments from 18 companies
- 2024$792.30 · 44 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $315.39 | 21 |
| Lilly USA, LLC | $184.50 | 8 |
| Novo Nordisk Inc | $96.73 | 6 |
| Pfizer Inc. | $85.54 | 5 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $65.44 | 3 |
What the 2025 payments were for
- Food and Beverage$1,122 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 family medicine physicians in O Fallon · All family medicine physicians in Missouri