Margaret E. Littlejohn, MD
NPI 1649893496ActiveIndividual· Ophthalmology· Lubbock, TX
Ophthalmology (MD) in Lubbock, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2020). In 2024 Medicare paid $62,033 for 355 patients, and Part D covered 324 of their prescriptions, 61% of them generic. Rxsight Inc was the largest of 2 companies reporting payments in 2025, $131.80 in all, mostly food and beverage.
Overview
| NPI | 1649893496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 27, 2020 |
| Last updated in NPPES | May 23, 2024 |
| Certified by provider | May 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | BP10071115 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 355 |
|---|---|
| Services billed | 749 across 30 procedure codes |
| Paid by Medicare | $62,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 324 · 623 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $15,754 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Ophthalmology |
Medical group
- Jonathan P Walgama MD PALongview, TX · 2 clinicians
Hospital affiliations
- Christus Good Shepherd Medical CenterLongview, TX
- Longview Regional Medical CenterLongview, TX
Industry payments (Open Payments)
- 2025$131.80 · 3 payments from 2 companies
- 2024$88.55 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rxsight Inc | $112.74 | 2 |
| Amgen Inc. | $19.06 | 1 |
What the 2025 payments were for
- Food and Beverage$131.80 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 ophthalmologists in Lubbock · All ophthalmologists in Texas