Juan Jorge Adams Chahin, M.D.
NPI 1861019747ActiveIndividual· Internal Medicine, Nephrology· San Juan, PR
Internal Medicine, Nephrology (M.D.) in San Juan, Puerto Rico, licensed in PR, with an NPI issued in June 2020. Part D covered 67 prescriptions written in 2024, 75% of them generic. Vifor Pharma, Inc. was the largest of 6 companies reporting payments in 2025, $415.04 in all, mostly food and beverage.
Overview
| NPI | 1861019747 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2020 |
| Last updated in NPPES | Nov 18, 2024 |
| Certified by provider | Nov 18, 2024 |
| Reactivated | Apr 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 36935 | PR |
| Student in an Organized Health Care Education/Training Program | 390200000X | 36935 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 67 · 79 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $10,728 |
| Generic share | 75% of claims |
Industry payments (Open Payments)
- 2025$415.04 · 8 payments from 6 companies
- 2024$412.02 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $160.00 | 2 |
| Amgen Inc. | $118.71 | 1 |
| Novartis Pharmaceuticals Corporation | $54.72 | 2 |
| Calliditas Therapeutics US Inc. | $35.77 | 1 |
| Novo Nordisk Inc | $23.34 | 1 |
What the 2025 payments were for
- Food and Beverage$415.04 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in San Juan
- 1003016775
- 1013140292
- 1023262110
- 1033138607
- 1053796052
- 1063577385
- 1104001270
- 1174554356
- 1215186309
- 1255417283
- 1275057382
- 1306097373