Ada Marie Santiago Carrion
NPI 1851881544ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· San Juan, PR
Internal Medicine, Endocrinology, Diabetes & Metabolism in San Juan, Puerto Rico, licensed in PR, with an NPI issued in May 2018. Their prescriptions cost Medicare Part D more than their services did: $1,002,598 for 1,867 claims, against $7,629 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $2,291 in all, mostly food and beverage. Lists Auxilio Mutuo Hospital as a hospital affiliation.
Overview
| NPI | 1851881544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 17, 2018 |
| Last updated in NPPES | Apr 14, 2024 |
| Certified by provider | Apr 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 22262 | PR |
| Internal Medicine | 207R00000X | 22262 | 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 | 33 |
|---|---|
| Services billed | 109 across 6 procedure codes |
| Paid by Medicare | $7,629 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,867 · 2,999 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $1,002,598 |
| Generic share | 31% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Auxilio Mutuo HospitalSan Juan, PR
Industry payments (Open Payments)
- 2025$2,291 · 79 payments from 16 companies
- 2024$2,897 · 86 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $349.82 | 8 |
| Amgen Inc. | $271.36 | 12 |
| Abbott Laboratories | $233.00 | 16 |
| Novartis Pharmaceuticals Corporation | $203.52 | 4 |
| Bayer Puerto Rico Inc. | $197.82 | 9 |
What the 2025 payments were for
- Food and Beverage$2,291 · 79 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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