Allison Sullivan Chappell, DO
NPI 1619473527ActiveIndividual· Family Medicine· Birmingham, AL
Family Medicine (DO) with Vincentian Physician Services LLC, practicing in Birmingham, Alabama. Their prescriptions cost Medicare Part D more than their services did: $303,385 for 3,037 claims, against $24,013 paid for services in 2024. Pfizer Inc. was the largest of 7 companies reporting payments in 2025, $228.74 in all, mostly food and beverage.
Overview
| NPI | 1619473527 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 1, 2018 |
| Last updated in NPPES | Sep 1, 2021 |
| Certified by provider | Sep 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | DO.4817 | AL |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 476 across 26 procedure codes |
| Paid by Medicare | $24,013 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,037 · 6,628 30-day fills |
|---|---|
| Patients | 248 |
| Total drug cost | $303,385 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Vincentian Physician Services LLCBirmingham, AL · 82 clinicians
Industry payments (Open Payments)
- 2025$228.74 · 12 payments from 7 companies
- 2024$973.62 · 71 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $83.90 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $32.66 | 2 |
| Novo Nordisk Inc | $30.83 | 2 |
| Exact Sciences Corporation | $27.22 | 2 |
| Astrazeneca Pharmaceuticals LP | $21.25 | 1 |
What the 2025 payments were for
- Food and Beverage$228.74 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 254 family medicine physicians in Birmingham · All family medicine physicians in Alabama