Lumen Alberto Mendez Castaner, MD
NPI 1205102118ActiveIndividual· Internal Medicine, Nephrology· Orlando, FL
Internal Medicine, Nephrology (MD) in Orlando, Florida, trained at Ponce School of Medicine (class of 2012). 383 Medicare patients in 2024, $145,705 paid; nearly all of their 1,807 Part D prescriptions were generic (92%). Novartis Pharmaceuticals Corporation was the largest of 20 companies reporting payments in 2025, $1,396 in all, mostly food and beverage.
Overview
| NPI | 1205102118 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 25, 2012 |
| Last updated in NPPES | Feb 27, 2026 |
| Certified by provider | Feb 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | ME124246 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 383 |
|---|---|
| Services billed | 2,834 across 49 procedure codes |
| Paid by Medicare | $145,705 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,807 · 3,711 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $159,161 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Ponce School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Medical group
- Nephrology Associates of Central Florida, P.A.Orlando, FL · 34 clinicians
Hospital affiliations
- Adventhealth OrlandoOrlando, FL
- Orlando HealthOrlando, FL
Other facilities
- Bma - West OrlandoDialysis facility · Orlando, FL
- Davita Alafaya DialysisDialysis facility · Orlando, FL
- Davita Orlando North DialysisDialysis facility · Orlando, FL
Industry payments (Open Payments)
- 2025$1,396 · 58 payments from 20 companies
- 2024$598.55 · 24 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $214.05 | 9 |
| Amgen Inc. | $168.08 | 9 |
| Mallinckrodt Hospital Products Inc. | $136.60 | 6 |
| Calliditas Therapeutics US Inc. | $111.61 | 4 |
| Otsuka America Pharmaceutical, Inc. | $109.76 | 4 |
What the 2025 payments were for
- Food and Beverage$1,293 · 55 payments
- Education$103.53 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 nephrologists in Orlando · All nephrologists in Florida