Mark Edward Allison, MD
NPI 1891795480ActiveIndividual· Ophthalmology· Tulsa, OK
Ophthalmology (MD) in Tulsa, Oklahoma, licensed in OK, with an NPI issued in July 2005. In 2024 Medicare paid $99,639 for 627 patients, and Part D covered 747 of their prescriptions, 39% of them generic. Abbvie Inc. was the largest of 8 companies reporting payments in 2024, $716.49 in all, mostly food and beverage.
Overview
| NPI | 1891795480 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 26, 2005 |
| Last updated in NPPES | Feb 28, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 13302 | OK |
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 | 627 |
|---|---|
| Services billed | 1,479 across 24 procedure codes |
| Paid by Medicare | $99,639 |
Part D prescriptions in 2024
| Prescriptions (claims) | 747 · 1,285 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $140,985 |
| Generic share | 39% of claims |
Industry payments (Open Payments)
- 2024$716.49 · 41 payments from 8 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $371.37 | 28 |
| Biotissue Holdings Inc. | $115.61 | 1 |
| Sun Pharmaceutical Industries Inc. | $71.93 | 4 |
| Tarsus Pharmaceuticals, Inc. | $63.56 | 3 |
| Amgen Inc. | $38.79 | 2 |
What the 2024 payments were for
- Food and Beverage$716.49 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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