Stephanie Colon-Lopez, MD
NPI 1487065199ActiveIndividual· Internal Medicine, Nephrology· Bayamon, PR
Internal Medicine, Nephrology (MD) in Bayamon, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $1,101,939 for 2,574 claims, against $7,144 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 17 companies reporting payments in 2025, $2,364 in all, mostly food and beverage.
Overview
| NPI | 1487065199 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2014 |
| Last updated in NPPES | Jul 30, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 19285 | PR |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine | 207R00000X | 19285 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 84 across 9 procedure codes |
| Paid by Medicare | $7,144 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,574 · 5,426 30-day fills |
|---|---|
| Patients | 492 |
| Total drug cost | $1,101,939 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Bayamon Medical CenterBayamon, PR
- Doctors' Center BayamonBayamon, PR
Other facilities
- Atlantis Toa BajaDialysis facility · Toa Baja, PR
- Fmc Santa JuanitaDialysis facility · Bayamon, PR
Industry payments (Open Payments)
- 2025$2,364 · 55 payments from 17 companies
- 2024$2,822 · 74 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $366.26 | 3 |
| Ani Pharmaceuticals, Inc. | $260.23 | 6 |
| Abbvie Inc. | $249.95 | 2 |
| Amgen Inc. | $223.65 | 6 |
| Bayer Puerto Rico Inc. | $179.57 | 8 |
What the 2025 payments were for
- Food and Beverage$2,364 · 55 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 →