Delu Song, MD
NPI 1437689536ActiveIndividual· Ophthalmology, Retina Specialist· San Diego, CA
Ophthalmology, Retina Specialist (MD) with Sharp Rees-Stealy Medical Group Inc and 1 other group, practicing in San Diego, California. In 2024 Medicare paid $1,311,922 for 1,055 patients, and Part D covered 322 of their prescriptions, 53% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 9 companies reporting payments in 2025, $773.52 in all, mostly food and beverage.
Overview
| NPI | 1437689536 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 13, 2017 |
| Last updated in NPPES | Sep 15, 2025 |
| Certified by provider | Sep 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | A173049 | 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 - Ophthalmology (AZ); Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,055 |
|---|---|
| Services billed | 14,056 across 41 procedure codes |
| Paid by Medicare | $1,311,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 322 · 503 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $12,956 |
| Generic share | 53% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical groups
- Sharp Rees-Stealy Medical Group IncSan Diego, CA · 884 clinicians
- Barnet Dulaney Perkins Eye Center, PCSun City, AZ · 105 clinicians
Industry payments (Open Payments)
- 2025$773.52 · 21 payments from 9 companies
- 2024$592.12 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $247.12 | 6 |
| Genentech USA, Inc. | $105.71 | 4 |
| Corcept Therapeutics | $103.80 | 1 |
| Regeneron Pharmaceuticals, Inc. | $67.70 | 1 |
| Apellis Pharmaceuticals, Inc. | $56.47 | 2 |
What the 2025 payments were for
- Food and Beverage$773.52 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 Ophthalmology, Retina Specialist providers in San Diego · All Ophthalmology, Retina Specialist providers in California