Freya Jan Silverstein, MD
NPI 1669467460ActiveIndividual· Internal Medicine, Nephrology· Atlantis, FL
Internal Medicine, Nephrology (MD) in Atlantis, Florida, trained at State University of New York Downstate Medical Center (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $905,964 for 2,921 claims, against $378,171 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 3 companies reporting payments in 2025, $101.51 in all, mostly food and beverage.
Overview
| NPI | 1669467460 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 18, 2005 |
| Last updated in NPPES | Dec 29, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | ME0046801 | 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 - Nephrology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 745 |
|---|---|
| Services billed | 4,564 across 29 procedure codes |
| Paid by Medicare | $378,171 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,921 · 7,373 30-day fills |
|---|---|
| Patients | 460 |
| Total drug cost | $905,964 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Florida Kidney Physicians LLCCoral Gables, FL · 169 clinicians
Hospital affiliations
- Bethesda Hospital EastBoynton Beach, FL
- HCA Florida Jfk HospitalAtlantis, FL
- HCA Florida Palms West HospitalLoxahatchee, FL
- Wellington Regional Medical CenterWellington, FL
Other facilities
- Fmc Dialysis Services - North Boynton BeachDialysis facility · Boynton Beach, FL
- Fresenius Kidney Care of Wellington WestDialysis facility · Wellington, FL
- Renal Care Center - WellingtonDialysis facility · Lake Worth, FL
Industry payments (Open Payments)
- 2025$101.51 · 5 payments from 3 companies
- 2024$299.14 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $39.23 | 2 |
| Amgen Inc. | $34.70 | 1 |
| Travere Therapeutics, Inc. | $27.58 | 2 |
What the 2025 payments were for
- Food and Beverage$101.12 · 4 payments
- Education$0.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Atlantis
- 1144781139
- 1508847088
- 1538321021
- 1568443232
- 1679544704
- 1750557666
- 1811978950
- 1063403889
- 1386741114
- 1952676108
- 1003897810
- 1174009344
All 15 nephrologists in Atlantis · All nephrologists in Florida