Alexander Gayle Parker, MD
NPI 1689177743ActiveIndividual· Emergency Medicine· Festus, MO
Emergency Medicine (MD) with Mercy Hospital South and 1 other group, practicing in Festus, Missouri. 161 Medicare patients in 2024, $24,569 paid; nearly all of their 150 Part D prescriptions were generic (93%). Merck Sharp & Dohme LLC reported $58.50 in payments in 2024, mostly food and beverage. Lists Mercy Hospital Jefferson as a hospital affiliation.
Overview
| NPI | 1689177743 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 15, 2018 |
| Last updated in NPPES | Jun 13, 2024 |
| Certified by provider | Jun 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 2021047265 | 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 - Emergency Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 196 across 18 procedure codes |
| Paid by Medicare | $24,569 |
Part D prescriptions in 2024
| Prescriptions (claims) | 150 · 155 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $3,152 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Mercy Hospital SouthSaint Louis, MO · 49 clinicians
- Mercy Hospital JeffersonFestus, MO · 11 clinicians
Hospital affiliation
- Mercy Hospital JeffersonCrystal City, MO
Industry payments (Open Payments)
- 2024$58.50 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $58.50 | 2 |
What the 2024 payments were for
- Food and Beverage$58.50 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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