Richard Lang, O.D.
NPI 1699347096ActiveIndividual· Optometrist· San Ramon, CA
Optometrist (O.D.) in San Ramon, California, trained at University of California - School of Optometry (class of 2021). Mostly services rather than prescriptions: Medicare paid $26,348 for 135 patients in 2024, with only 48 Part D claims. Coopervision Inc. was the largest of 8 companies reporting payments in 2025, $566.75 in all, mostly food and beverage.
Overview
| NPI | 1699347096 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jul 14, 2021 |
| Last updated in NPPES | Sep 2, 2021 |
| Certified by provider | Sep 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 34948 | 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 | 135 |
|---|---|
| Services billed | 439 across 25 procedure codes |
| Paid by Medicare | $26,348 |
Part D prescriptions in 2024
| Prescriptions (claims) | 48 · 82 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $12,714 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | University of California - School of Optometry |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Optometry |
Medical groups
- Michael Duong OdSan Ramon, CA · 2 clinicians
- Michael Duong Od IncSan Ramon, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$566.75 · 23 payments from 8 companies
- 2024$298.22 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $189.85 | 10 |
| Alcon Vision LLC | $164.87 | 3 |
| Bausch & Lomb Americas Inc. | $113.44 | 5 |
| Johnson & Johnson Vision Care, Inc. | $28.36 | 1 |
| Tarsus Pharmaceuticals, Inc. | $22.40 | 1 |
What the 2025 payments were for
- Food and Beverage$566.75 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 optometrists in San Ramon · All optometrists in California