Christina Wong Grattan, O.D.
NPI 1194150953ActiveIndividual· Optometrist· Torrance, CA
Optometrist (O.D.) with Providence Medical Institute, practicing in Torrance, California. In 2024 Medicare paid $39,500 for 288 patients, and Part D covered 309 of their prescriptions, 53% of them generic.
Overview
| NPI | 1194150953 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Sep 11, 2013 |
| Last updated in NPPES | Aug 10, 2023 |
| Certified by provider | Aug 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 14709 | CA |
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 - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 488 across 13 procedure codes |
| Paid by Medicare | $39,500 |
Part D prescriptions in 2024
| Prescriptions (claims) | 309 · 508 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $29,577 |
| Generic share | 53% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- Providence Medical InstitutePark Ridge, IL · 288 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 121 optometrists in Torrance · All optometrists in California