Dannel Diaz Ruiz, MD
NPI 1679066435ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Mayaguez,, PR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Mayaguez,, Puerto Rico, licensed in PR, with an NPI issued in June 2018. Part D covered 1,694 prescriptions written in 2024, 31% of them generic. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $1,208 in all, mostly food and beverage.
Overview
| NPI | 1679066435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 7, 2018 |
| Last updated in NPPES | Feb 25, 2025 |
| Certified by provider | Feb 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 23235 | PR |
| Internal Medicine | 207R00000X | 35253-R | PR |
| Student in an Organized Health Care Education/Training Program | 390200000X | 14699-I | PR |
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 - Endocrinology (PR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,694 · 2,581 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $575,450 |
| Generic share | 31% of claims |
Industry payments (Open Payments)
- 2025$1,208 · 12 payments from 8 companies
- 2024$336.18 · 15 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $410.75 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $125.00 | 1 |
| Novo Nordisk Inc | $124.96 | 1 |
| Dexcom, Inc. | $120.73 | 1 |
| Madrigal Pharmaceuticals | $118.27 | 1 |
What the 2025 payments were for
- Food and Beverage$1,208 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records