Joseph Duvall, MD
NPI 1588775241ActiveIndividual· Dermatology· St Louis, MO
Dermatology (MD) in St Louis, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $638,367 for 1,328 claims, against $141,104 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,529 in all, mostly food and beverage.
Overview
| NPI | 1588775241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Mar 18, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | R6127 | MO |
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 - Dermatology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 888 |
|---|---|
| Services billed | 2,756 across 46 procedure codes |
| Paid by Medicare | $141,104 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,328 · 1,740 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $638,367 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Dermatology |
Medical groups
- Mercy Hospitals East CommunitiesSaint Louis, MO · 98 clinicians
- Vitalskin Medical Group Il PLLCChicago, IL · 56 clinicians
Hospital affiliation
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$1,529 · 92 payments from 14 companies
- 2024$1,607 · 154 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $311.90 | 24 |
| Janssen Biotech, Inc. | $219.78 | 16 |
| Organon LLC | $200.65 | 18 |
| Sanofi-Aventis U.S. LLC | $171.99 | 2 |
| Pfizer Inc. | $159.89 | 9 |
What the 2025 payments were for
- Food and Beverage$1,357 · 90 payments
- Education$171.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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