Mark S. Lyell, MD
NPI 1407861776ActiveIndividual· Urology· Ocean Springs, MS
Urology (MD) in Ocean Springs, Mississippi, trained at University of Louisville School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $999,230 for 1,296 claims, against $257,888 paid for services in 2024. Urogen Pharma, Inc. was the largest of 20 companies reporting payments in 2025, $1,221 in all, mostly food and beverage.
Overview
| NPI | 1407861776 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 29, 2006 |
| Last updated in NPPES | May 22, 2025 |
| Certified by provider | May 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 13231 | MS |
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 - Urology (AL); Practitioner - Urology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 496 |
|---|---|
| Services billed | 14,446 across 99 procedure codes |
| Paid by Medicare | $257,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,296 · 2,430 30-day fills |
|---|---|
| Patients | 474 |
| Total drug cost | $999,230 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Louisville School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Urology |
Medical group
- Urology Associates of Mobile, P.A.Mobile, AL · 61 clinicians
Hospital affiliations
- Memorial Hospital at GulfportGulfport, MS
- Singing River GulfportGulfport, MS
- Singing River Health SystemPascagoula, MS
- Springhill Medical CenterMobile, AL
Industry payments (Open Payments)
- 2025$1,221 · 50 payments from 20 companies
- 2024$1,323 · 47 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Urogen Pharma, Inc. | $275.72 | 7 |
| Janssen Biotech, Inc. | $250.33 | 9 |
| Sumitomo Pharma America, Inc. | $82.47 | 4 |
| Endo USA, Inc. | $68.08 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $61.81 | 3 |
What the 2025 payments were for
- Food and Beverage$1,153 · 49 payments
- Education$68.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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