Theodore Leng, MD
NPI 1144438987ActiveIndividual· Ophthalmology, Retina Specialist· Stanford, CA
Ophthalmology, Retina Specialist (MD) in Stanford, California, trained at Stanford University School of Medicine (class of 2005). In 2024 Medicare paid $316,891 for 1,168 patients, and Part D covered 155 of their prescriptions, 73% of them generic. Topcon Healthcare, Inc. was the largest of 14 companies reporting payments in 2025, $42,884 in all, mostly consulting fees.
Overview
| NPI | 1144438987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | Mar 21, 2024 |
| Certified by provider | Mar 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | A106892 | CA |
| Ophthalmology | 207W00000X | A106892 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,168 |
|---|---|
| Services billed | 5,898 across 31 procedure codes |
| Paid by Medicare | $316,891 |
Part D prescriptions in 2024
| Prescriptions (claims) | 155 · 197 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $8,514 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Ophthalmology |
Medical groups
- Stanford Health CareStanford, CA · 3,122 clinicians
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
- University Healthcare AlliancePleasanton, CA · 327 clinicians
Hospital affiliations
- Santa Clara Valley Medical CenterSan Jose, CA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$42,884 · 35 payments from 14 companies
- 2024$51,687 · 34 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Topcon Healthcare, Inc. | $24,529 | 15 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $5,700 | 1 |
| Genentech, Inc. | $4,200 | 1 |
| Apellis Pharmaceuticals, Inc. | $2,871 | 2 |
| Boehringer Ingelheim International Gmbh | $2,325 | 3 |
What the 2025 payments were for
- Consulting Fee$40,981 · 20 payments
- Food and Beverage$1,174 · 11 payments
- Travel and Lodging$728.58 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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