Michelle Cofan Hernandez
NPI 1043514110ActiveIndividual· Internal Medicine, Nephrology· Mayaguez, PR
Internal Medicine, Nephrology in Mayaguez, Puerto Rico, licensed in PR, with an NPI issued in January 2011. Their prescriptions cost Medicare Part D more than their services did: $109,842 for 890 claims, against $2,038 paid for services in 2024. Vifor Pharma, Inc. was the largest of 9 companies reporting payments in 2025, $1,020 in all, mostly food and beverage. Lists Bayamon Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1043514110 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 5, 2011 |
| Last updated in NPPES | Aug 4, 2020 |
| Certified by provider | Aug 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 18102 | PR |
| Internal Medicine | 207R00000X | 18102 | PR |
| General Practice | 208D00000X | 18102 | PR |
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 - Internal Medicine (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 31 across 3 procedure codes |
| Paid by Medicare | $2,038 |
Part D prescriptions in 2024
| Prescriptions (claims) | 890 · 1,037 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $109,842 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Hospital affiliations
- Bayamon Medical CenterBayamon, PR
- Doctors' Center BayamonBayamon, PR
Industry payments (Open Payments)
- 2025$1,020 · 18 payments from 9 companies
- 2024$1,338 · 20 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $145.65 | 2 |
| Novartis Pharmaceuticals Corporation | $135.72 | 2 |
| Astrazeneca Pharmaceuticals LP | $135.71 | 4 |
| Boston Scientific Corporation | $126.18 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $124.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,020 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Nephrology providers in Puerto Rico →