Violeta Alvarez Retamales, MD
NPI 1013401090ActiveIndividual· Internal Medicine, Nephrology· Jacksonville, FL
Internal Medicine, Nephrology (MD) with Mayo Clinic Jacksonville and 2 other groups, practicing in Jacksonville, Florida. Their prescriptions cost Medicare Part D more than their services did: $240,865 for 617 claims, against $54,247 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 9 companies reporting payments in 2025, $406.86 in all, mostly food and beverage. Lists HCA Florida Capital Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1013401090 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2018 |
| Last updated in NPPES | May 19, 2026 |
| Certified by provider | May 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | ME164636 | FL |
| Internal Medicine, Nephrology | 207RN0300X | 103059 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (FL); Practitioner - Nephrology (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 597 across 15 procedure codes |
| Paid by Medicare | $54,247 |
Part D prescriptions in 2024
| Prescriptions (claims) | 617 · 1,169 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $240,865 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Mayo Clinic JacksonvilleJacksonville, FL · 1,615 clinicians
- Pikeville Medical Center IncCharleston, WV · 425 clinicians
- Capital Nephrology Clinic, PATallahassee, FL · 3 clinicians
Hospital affiliations
- HCA Florida Capital HospitalTallahassee, FL
- Pikeville Medical CenterPikeville, KY
Industry payments (Open Payments)
- 2025$406.86 · 22 payments from 9 companies
- 2024$423.98 · 21 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $110.49 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $59.33 | 3 |
| Astrazeneca Pharmaceuticals LP | $55.74 | 3 |
| Vifor Pharma, Inc. | $50.13 | 2 |
| Aurinia Pharma U.S., Inc. | $41.03 | 2 |
What the 2025 payments were for
- Food and Beverage$401.05 · 20 payments
- Education$5.81 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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