Gonzalo Rafael Ballon-Landa, M.D.
NPI 1326266081ActiveIndividual· Internal Medicine, Infectious Disease· San Diego, CA
Internal Medicine, Infectious Disease (M.D.) in San Diego, California, trained at Northwestern University Feinberg Medical School (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $582,488 for 453 claims, against $85,170 paid for services in 2024. Gilead Sciences, Inc. reported $22.78 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1326266081 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 20, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | G41894 | CA |
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 - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 954 across 9 procedure codes |
| Paid by Medicare | $85,170 |
Part D prescriptions in 2024
| Prescriptions (claims) | 453 · 572 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $582,488 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical groups
- On Call Specialists Medical Group of San Diego IncSan Diego, CA · 144 clinicians
- Infectious Diseases Physicians of San Diego IncSan Diego, CA · 3 clinicians
Hospital affiliation
- Scripps Mercy HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$22.78 · 1 payment from 1 company
- 2024$263.58 · 30 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $22.78 | 1 |
What the 2025 payments were for
- Food and Beverage$22.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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