Ann H. Guy, MD
NPI 1235457979ActiveIndividual· Ophthalmology· Shreveport, LA
Ophthalmology (MD) in Shreveport, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $563,874 for 6,941 claims, against $328,664 paid for services in 2024. Biotissue Holdings Inc. was the largest of 12 companies reporting payments in 2025, $1,998 in all, mostly food and beverage.
Overview
| NPI | 1235457979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 5, 2010 |
| Last updated in NPPES | Feb 3, 2026 |
| Certified by provider | Feb 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 208092 | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,515 |
|---|---|
| Services billed | 4,750 across 40 procedure codes |
| Paid by Medicare | $328,664 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,941 · 12,944 30-day fills |
|---|---|
| Patients | 1,202 |
| Total drug cost | $563,874 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Ophthalmology |
Medical groups
- Lsu Health Sciences Center Shreveport Faculty Group PracticeShreveport, LA · 571 clinicians
- Highland Clinic, A Prof Med CorpShreveport, LA · 66 clinicians
Hospital affiliation
- Ochsner Lsu Health MonroeMonroe, LA
Industry payments (Open Payments)
- 2025$1,998 · 59 payments from 12 companies
- 2024$853.01 · 32 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotissue Holdings Inc. | $629.58 | 12 |
| Abbvie Inc. | $547.05 | 16 |
| Alcon Vision LLC | $382.58 | 12 |
| Amgen Inc. | $143.67 | 7 |
| Oyster Point Pharma, Inc. | $76.15 | 3 |
What the 2025 payments were for
- Food and Beverage$1,998 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 ophthalmologists in Shreveport · All ophthalmologists in Louisiana