Ricardo A. Hernandez-Castillo
NPI 1629392527ActiveIndividual· Internal Medicine, Pulmonary Disease· Guaynabo, PR
Internal Medicine, Pulmonary Disease with Hospital Espanol Auxilio Mutuo de Puerto Rico, Inc., practicing in Guaynabo, Puerto Rico. Mostly services rather than prescriptions: Medicare paid $16,450 for 35 patients in 2024, with only 25 Part D claims. Janssen Pharmaceuticals, Inc was the largest of 6 companies reporting payments in 2025, $167.92 in all, mostly food and beverage. Lists Auxilio Mutuo Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1629392527 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 22, 2010 |
| Last updated in NPPES | Jun 2, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 17825 | PR |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 17825 | 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 - Pulmonary Disease (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 35 |
|---|---|
| Services billed | 151 across 8 procedure codes |
| Paid by Medicare | $16,450 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 25 30-day fills |
|---|---|
| Total drug cost | $1,593 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical group
- Hospital Espanol Auxilio Mutuo de Puerto Rico, Inc.San Juan, PR · 54 clinicians
Hospital affiliations
- Auxilio Mutuo HospitalSan Juan, PR
- Doctors Center Hospital Carolina LLCCarolina, PR
- Doctors' Center Hospital San JuanSanturce, PR
Industry payments (Open Payments)
- 2025$167.92 · 7 payments from 6 companies
- 2024$106.32 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $52.50 | 2 |
| Jazz Pharmaceuticals Inc. | $26.34 | 1 |
| Eli Lilly Export S.A. Puerto Rico Branch | $25.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $25.00 | 1 |
| Genzyme Corporation | $21.38 | 1 |
What the 2025 payments were for
- Food and Beverage$167.92 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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