Freya Silverstein, MD
NPI 1669467460 · Nephrology Physician · Atlantis, FL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Freya Silverstein, MD is a Nephrology Physician provider in Atlantis, FL (NPI 1669467460).
Provider details
- NPI number
- 1669467460
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME0046801 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,476 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 1,017 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 982 | $129 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 675 | $79 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 451 | $63 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 399 | $346 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 304 | 97 |
| Finerenonebrand: Kerendia | 126 | 38 |
| Furosemide | 125 | 52 |
| Dapagliflozin Propanediolbrand: Farxiga | 125 | 37 |
| Allopurinol | 113 | 37 |
| Calcitriol | 97 | 32 |
| Amlodipine Besylate | 94 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$299 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-18
- Last updated
- 2015-12-29
Frequently asked questions
- What is Freya Silverstein's NPI number?
- Freya Silverstein's National Provider Identifier (NPI) is 1669467460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Freya Silverstein's specialty?
- Freya Silverstein is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Freya Silverstein located?
- Freya Silverstein's practice location on file with NPPES is 5503 S Congress Ave, Atlantis, FL 33462-6614.
- What is Freya Silverstein's phone number?
- The practice phone number listed in the NPPES registry for Freya Silverstein is (561) 965-7228.
- Does Freya Silverstein accept Medicare?
- Freya Silverstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Freya Silverstein's NPI active?
- Yes — Freya Silverstein's NPI (1669467460) is active in the NPPES registry as of the last update on 2015-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.