Federico Roman Ng, MD
NPI 1528061488ActiveIndividual· Internal Medicine· San Antonio, TX
Internal Medicine (MD) in San Antonio, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $565,913 for 3,400 claims, against $22,306 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $585.85 in all, mostly food and beverage.
Overview
| NPI | 1528061488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Jun 11, 2026 |
| Certified by provider | Jun 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | J6623 | TX |
| Pediatrics | 208000000X | J6623 | TX |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 244 across 7 procedure codes |
| Paid by Medicare | $22,306 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,400 · 8,095 30-day fills |
|---|---|
| Patients | 195 |
| Total drug cost | $565,913 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Medical Office ForceHonolulu, HI · 59 clinicians
Hospital affiliation
- Methodist HospitalSan Antonio, TX
Industry payments (Open Payments)
- 2025$585.85 · 39 payments from 7 companies
- 2024$534.61 · 30 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $202.05 | 14 |
| Collegium Pharmaceutical, Inc. | $183.93 | 13 |
| Glaxosmithkline, LLC. | $70.28 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $37.58 | 2 |
| Corium, LLC | $35.87 | 3 |
What the 2025 payments were for
- Food and Beverage$585.85 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 824 internal medicine physicians in San Antonio · All internal medicine physicians in Texas