Diego Jose Maselli Caceres, M.D.
NPI 1609000421ActiveIndividual· Internal Medicine, Pulmonary Disease· San Antonio, TX
Internal Medicine, Pulmonary Disease (M.D.) with University of Texas Health Science Center at San Antonio, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,491,720 for 1,972 claims, against $25,253 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $295,725 in all, mostly speaking and faculty fees. Lists University Health System as a hospital affiliation.
Overview
| NPI | 1609000421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 7, 2009 |
| Last updated in NPPES | Jul 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | P2730 | TX |
| Internal Medicine, Critical Care Medicine | 207RC0200X | P2730 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 284 across 21 procedure codes |
| Paid by Medicare | $25,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,972 · 2,702 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $1,491,720 |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- University of Texas Health Science Center at San AntonioSan Antonio, TX · 1,297 clinicians
Hospital affiliation
- University Health SystemSan Antonio, TX
Industry payments (Open Payments)
- 2025$295,725 · 254 payments from 17 companies
- 2024$221,936 · 171 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $122,405 | 123 |
| Glaxosmithkline, LLC. | $62,724 | 64 |
| Genzyme Corporation | $56,436 | 19 |
| Insmed, Inc. | $30,751 | 17 |
| Genentech USA, Inc. | $6,489 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$169,346 · 69 payments
- Consulting Fee$101,993 · 35 payments
- Travel and Lodging$17,428 · 57 payments
- Food and Beverage$6,942 · 91 payments
- Gift$17.21 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in San Antonio
- 1932361854
- 1780863746
- 1811299647
- 1821586454
- 1891967287
- 1588843239
- 1841628005
- 1477340925
- 1780883793
- 1124463740
- 1538411962
- 1831496090
All Internal Medicine, Pulmonary Disease providers in Texas →