Dionisio Joel Acosta, MD
NPI 1659724615ActiveIndividual· Internal Medicine, Nephrology· Mayaguez, PR
Internal Medicine, Nephrology (MD) in Mayaguez, Puerto Rico, trained at Ponce School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $165,248 for 1,079 claims, against $11,110 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 3 companies reporting payments in 2025, $189.03 in all, mostly food and beverage.
Overview
| NPI | 1659724615 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 14, 2016 |
| Last updated in NPPES | Jan 2, 2024 |
| Certified by provider | Jan 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 21936 | PR |
| Internal Medicine | 207R00000X | 21936 | 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 - Nephrology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 91 across 12 procedure codes |
| Paid by Medicare | $11,110 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,079 · 1,430 30-day fills |
|---|---|
| Patients | 248 |
| Total drug cost | $165,248 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Ponce School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nefrologos Asociados del OesteSan German, PR · 7 clinicians
Hospital affiliations
- Hospital de la ConcepcionSan German, PR
- Mayaguez Medical Center Dr Ramon Emeterio BetancesMayaguez, PR
Other facilities
- Fmc AguadillaDialysis facility · Aguadilla, PR
Industry payments (Open Payments)
- 2025$189.03 · 5 payments from 3 companies
- 2024$524.76 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $131.25 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $32.90 | 1 |
| Amgen Inc. | $24.88 | 1 |
What the 2025 payments were for
- Food and Beverage$189.03 · 5 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 →