Bach-Kim Nguyen, O.D.
NPI 1942235734ActiveIndividual· Optometrist· Walnut Creek, CA
Optometrist (O.D.) in Walnut Creek, California, trained at University of California - School of Optometry (class of 1995). Mostly services rather than prescriptions: Medicare paid $12,438 for 105 patients in 2024, with only 30 Part D claims. Johnson & Johnson Vision Care, Inc. was the largest of 6 companies reporting payments in 2025, $1,160 in all, mostly food and beverage.
Overview
| NPI | 1942235734 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Jul 8, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 10544T | CA |
| Optometrist, Vision Therapy | 152WV0400X | 10544T | 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 | 105 |
|---|---|
| Services billed | 182 across 15 procedure codes |
| Paid by Medicare | $12,438 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 45 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $4,819 |
Education and affiliations
| Medical school | University of California - School of Optometry |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$1,160 · 23 payments from 6 companies
- 2024$506.09 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | $314.06 | 9 |
| Bausch & Lomb Americas Inc. | $276.87 | 4 |
| Alcon Vision LLC | $213.51 | 5 |
| Sun Pharmaceutical Industries Inc. | $125.00 | 1 |
| Coopervision Inc. | $120.84 | 3 |
What the 2025 payments were for
- Food and Beverage$1,160 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 optometrists in Walnut Creek · All optometrists in California