Carlos Alonso Medina Mendez, M.D.
NPI 1811218316ActiveIndividual· Ophthalmology, Retina Specialist· Sacramento, CA
Ophthalmology, Retina Specialist (M.D.) with Vitreo-Retinal Medical Group, Inc., practicing in Sacramento, California. In 2024 Medicare paid $6,297,873 for 1,720 patients, and Part D covered 439 of their prescriptions, 61% of them generic. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $59,180 in all, mostly speaking and faculty fees. Lists Mercy General Hospital as a hospital affiliation.
Overview
| NPI | 1811218316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 18, 2010 |
| Last updated in NPPES | Apr 3, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 138518 | CA |
| Ophthalmology | 207W00000X | MT194706 | PA |
| Ophthalmology | 207W00000X | RS2013-0129 | NM |
| Ophthalmology | 207W00000X | ME118992 | FL |
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 | 1,720 |
|---|---|
| Services billed | 71,501 across 48 procedure codes |
| Paid by Medicare | $6,297,873 |
Part D prescriptions in 2024
| Prescriptions (claims) | 439 · 745 30-day fills |
|---|---|
| Patients | 183 |
| Total drug cost | $16,581 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Vitreo-Retinal Medical Group, Inc.Sacramento, CA · 22 clinicians
Hospital affiliation
- Mercy General HospitalSacramento, CA
Industry payments (Open Payments)
- 2025$59,180 · 63 payments from 9 companies
- 2024$164,617 · 178 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $18,968 | 15 |
| Apellis Pharmaceuticals, Inc. | $15,648 | 9 |
| Regeneron Healthcare Solutions, Inc. | $13,638 | 15 |
| Genentech USA, Inc. | $10,346 | 14 |
| Neurotech Pharmaceuticals, Inc. | $160.27 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$35,301 · 8 payments
- Compensation for serving as faculty or as a speaker for a medical education program$12,450 · 4 payments
- Consulting Fee$4,885 · 2 payments
- Travel and Lodging$4,603 · 13 payments
- Food and Beverage$1,940 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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