Yaiza Martinez-Ortiz, MD
NPI 1134413701ActiveIndividual· Internal Medicine, Gastroenterology· San Juan, PR
Internal Medicine, Gastroenterology (MD) in San Juan, Puerto Rico, licensed in PR, with an NPI issued in June 2011. Their prescriptions cost Medicare Part D more than their services did: $28,489 for 602 claims, against $8,717 paid for services in 2024. Abbvie Inc. reported $149.99 in payments in 2025, mostly food and beverage. Lists Presbyterian Community Hospital as a hospital affiliation.
Overview
| NPI | 1134413701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2011 |
| Last updated in NPPES | Nov 28, 2023 |
| Certified by provider | Nov 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 18688 | 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 - Gastroenterology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 28 |
|---|---|
| Services billed | 81 across 11 procedure codes |
| Paid by Medicare | $8,717 |
Part D prescriptions in 2024
| Prescriptions (claims) | 602 · 663 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $28,489 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Gastroenterology |
Hospital affiliation
- Presbyterian Community HospitalSan Juan, PR
Industry payments (Open Payments)
- 2025$149.99 · 2 payments from 1 company
- 2024$231.57 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $149.99 | 2 |
What the 2025 payments were for
- Food and Beverage$149.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in San Juan
- 1043218480
- 1053679092
- 1063407591
- 1104835073
- 1104968676
- 1134487945
- 1164531059
- 1194701706
- 1215130588
- 1275530743
- 1285036715
- 1295984375