Andres J. Ortiz Nieves Sr., MD
NPI 1831449560ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Ponce, PR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Ponce, Puerto Rico, trained at Ponce School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $2,150,873 for 6,502 claims, against $2,921 paid for services in 2024. Eli Lilly Export S.A. Puerto Rico Branch was the largest of 4 companies reporting payments in 2025, $111.25 in all, mostly food and beverage.
Overview
| NPI | 1831449560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 10, 2012 |
| Last updated in NPPES | May 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 19096 | PR |
| Internal Medicine | 207R00000X | 19096 | 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 | 16 |
|---|---|
| Services billed | 41 across 6 procedure codes |
| Paid by Medicare | $2,921 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,502 · 8,372 30-day fills |
|---|---|
| Patients | 616 |
| Total drug cost | $2,150,873 |
| Generic share | 31% of claims |
Education and affiliations
| Medical school | Ponce School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Endocrinology |
Medical group
- Pro Health Clinical Services LLCBayamon, PR · 20 clinicians
Industry payments (Open Payments)
- 2025$111.25 · 6 payments from 4 companies
- 2024$95.16 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eli Lilly Export S.A. Puerto Rico Branch | $49.80 | 2 |
| Novo Nordisk Inc | $31.88 | 2 |
| Bayer Puerto Rico Inc. | $15.58 | 1 |
| Dexcom, Inc. | $13.99 | 1 |
What the 2025 payments were for
- Food and Beverage$111.25 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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