Marissa J. Defreitas, M.D.
NPI 1861635674ActiveIndividual· Pediatrics, Pediatric Nephrology· Miami, FL
Pediatrics, Pediatric Nephrology (M.D.) in Miami, Florida, trained at University of Chicago, Pritzker School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $98,912 for 39 claims, against $13,106 paid for services in 2024. Calliditas Therapeutics US Inc. reported $65.73 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1861635674 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 8, 2009 |
| Last updated in NPPES | Feb 8, 2023 |
| Certified by provider | Feb 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Nephrology Primary | 2080P0210X | ME123124 | FL |
| Pediatrics | 208000000X | ME123124 | 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 - Pediatric Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 96 across 21 procedure codes |
| Paid by Medicare | $13,106 |
Part D prescriptions in 2024
| Prescriptions (claims) | 39 · 68 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $98,912 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Pediatric Medicine |
Medical group
- University of MiamiMiami, FL · 2,377 clinicians
Hospital affiliation
- Jackson Health SystemMiami, FL
Industry payments (Open Payments)
- 2024$65.73 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $65.73 | 1 |
What the 2024 payments were for
- Food and Beverage$65.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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