Mark J. Stamm, MD
NPI 1922082387ActiveIndividual· Ophthalmology· Lewes, DE
Ophthalmology (MD) in Lewes, Delaware, licensed in DE, with an NPI issued in November 2005. Their prescriptions cost Medicare Part D more than their services did: $237,636 for 726 claims, against $60,567 paid for services in 2024. Harrow Eye, LLC was the largest of 2 companies reporting payments in 2024, $76.33 in all, mostly food and beverage.
Overview
| NPI | 1922082387 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 30, 2005 |
| Last updated in NPPES | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | C1-0027102 | DE |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 335 |
|---|---|
| Services billed | 884 across 33 procedure codes |
| Paid by Medicare | $60,567 |
Part D prescriptions in 2024
| Prescriptions (claims) | 726 · 1,235 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $237,636 |
| Generic share | 65% of claims |
Industry payments (Open Payments)
- 2024$76.33 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $50.92 | 2 |
| Tarsus Pharmaceuticals, Inc. | $25.41 | 1 |
What the 2024 payments were for
- Food and Beverage$76.33 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Lewes
- 1659465805
- 1609889658