Charity Halphen Grannis, M.D.
NPI 1629380977ActiveIndividual· Ophthalmology· Houston, TX
Ophthalmology (M.D.) in Houston, Texas, trained at Baylor College of Medicine (class of 2010). In 2024 Medicare paid $42,107 for 168 patients, and Part D covered 289 of their prescriptions, 60% of them generic. Harrow Eye, LLC was the largest of 2 companies reporting payments in 2025, $71.74 in all, mostly food and beverage.
Overview
| NPI | 1629380977 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2010 |
| Last updated in NPPES | Oct 23, 2026 |
| Certified by provider | Oct 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | Q0056 | TX |
| Ophthalmology, Pediatric Ophthalmology and Strabismus Specialist | 207WX0110X | Q0056 | 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 | 168 |
|---|---|
| Services billed | 482 across 19 procedure codes |
| Paid by Medicare | $42,107 |
Part D prescriptions in 2024
| Prescriptions (claims) | 289 · 361 30-day fills |
|---|---|
| Patients | 100 |
| Total drug cost | $32,296 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Ophthalmology |
Medical group
- Hea Clinic PAShenandoah, TX · 42 clinicians
Industry payments (Open Payments)
- 2025$71.74 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $39.25 | 1 |
| Dompe US, Inc. | $32.49 | 1 |
What the 2025 payments were for
- Food and Beverage$71.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 341 ophthalmologists in Houston · All ophthalmologists in Texas