Guireida Rivera Colon, MD
NPI 1891805164ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Juana Diaz, PR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Juana Diaz, Puerto Rico, trained at Ponce School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $1,585,803 for 14,344 claims, against $6,311 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $27.71 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1891805164 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | May 5, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 13192 | 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 - Endocrinology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 61 |
|---|---|
| Services billed | 110 across 4 procedure codes |
| Paid by Medicare | $6,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,344 · 23,613 30-day fills |
|---|---|
| Patients | 886 |
| Total drug cost | $1,585,803 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | Ponce School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Med Centro IncPonce, PR · 66 clinicians
Industry payments (Open Payments)
- 2025$27.71 · 1 payment from 1 company
- 2024$36.82 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $27.71 | 1 |
What the 2025 payments were for
- Food and Beverage$27.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Juana Diaz
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