Margarita Barreiro, MD
NPI 1891226874ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Cleveland, OH
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with University Hospitals Medical Group Inc, practicing in Cleveland, Ohio. Their prescriptions cost Medicare Part D more than their services did: $2,027,055 for 5,308 claims, against $39,858 paid for services in 2024. Neurocrine Biosciences, Inc. was the largest of 18 companies reporting payments in 2025, $657.58 in all, mostly food and beverage. Lists Uh Cleveland Medical Center as a hospital affiliation.
Overview
| NPI | 1891226874 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2017 |
| Last updated in NPPES | Nov 7, 2022 |
| Certified by provider | Nov 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 35.146124 | OH |
| Student in an Organized Health Care Education/Training Program | 390200000X | 0 | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 645 across 25 procedure codes |
| Paid by Medicare | $39,858 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,308 · 9,984 30-day fills |
|---|---|
| Patients | 542 |
| Total drug cost | $2,027,055 |
| Generic share | 41% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- University Hospitals Medical Group IncCleveland, OH · 2,294 clinicians
Hospital affiliation
- Uh Cleveland Medical CenterCleveland, OH
Industry payments (Open Payments)
- 2025$657.58 · 31 payments from 18 companies
- 2024$302.79 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $82.63 | 4 |
| Novo Nordisk Inc | $79.78 | 4 |
| Lilly USA, LLC | $64.11 | 3 |
| Madrigal Pharmaceuticals | $54.89 | 2 |
| Recordati_rare_diseases_inc. | $49.94 | 3 |
What the 2025 payments were for
- Food and Beverage$657.58 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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