Mark William Glass
NPI 1013021161ActiveIndividual· Physician Assistant, Surgical· Addison, TX
Physician Assistant, Surgical with Ortholonestar PLLC, practicing in Addison, Texas. 258 Medicare patients in 2024, $27,892 paid; all of their 381 Part D prescriptions were generic. Ferring Pharmaceuticals Inc. reported $61.04 in payments in 2025, mostly food and beverage. Lists North Central Surgical Center LLP as a hospital affiliation.
Overview
| NPI | 1013021161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA02857 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 258 |
|---|---|
| Services billed | 616 across 16 procedure codes |
| Paid by Medicare | $27,892 |
Part D prescriptions in 2024
| Prescriptions (claims) | 381 · 426 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $1,920 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Ortholonestar PLLCBaytown, TX · 428 clinicians
Hospital affiliation
- North Central Surgical Center LLPDallas, TX
Other facilities
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Dallas, TX
Industry payments (Open Payments)
- 2025$61.04 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $61.04 | 3 |
What the 2025 payments were for
- Food and Beverage$61.04 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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