David M. Chacko, M.D., PH.D.
NPI 1922167303ActiveIndividual· Ophthalmology, Retina Specialist· Wichita, KS
Ophthalmology, Retina Specialist (M.D., PH.D.) in Wichita, Kansas, trained at Loma Linda University School of Medicine (class of 1987). In 2024 Medicare paid $2,529,443 for 1,644 patients, and Part D covered 2,817 of their prescriptions, 79% of them generic. Genentech USA, Inc. was the largest of 5 companies reporting payments in 2025, $7,193 in all, mostly consulting fees.
Overview
| NPI | 1922167303 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Dec 8, 2006 |
| Last updated in NPPES | Jan 29, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 0429173 | KS |
| Ophthalmology | 207W00000X | 0429173 | KS |
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 (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,644 |
|---|---|
| Services billed | 32,080 across 41 procedure codes |
| Paid by Medicare | $2,529,443 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,817 · 4,097 30-day fills |
|---|---|
| Patients | 915 |
| Total drug cost | $158,226 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Ophthalmology |
Medical group
- Grene Vision Group LLCWichita, KS · 9 clinicians
Hospital affiliation
- Wesley Medical CenterWichita, KS
Industry payments (Open Payments)
- 2025$7,193 · 29 payments from 5 companies
- 2024$237.53 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $6,660 | 8 |
| Ani Pharmaceuticals, Inc. | $444.18 | 18 |
| Mallinckrodt Hospital Products Inc. | $37.39 | 1 |
| Apellis Pharmaceuticals, Inc. | $33.95 | 1 |
| Abbvie Inc. | $17.35 | 1 |
What the 2025 payments were for
- Consulting Fee$5,475 · 1 payment
- Travel and Lodging$899.10 · 2 payments
- Food and Beverage$819.07 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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