Randi Balsamo Siller, PA-C
NPI 1881918258ActiveIndividual· Physician Assistant· Houston, TX
Physician Assistant (PA-C) in Houston, Texas, trained at University of Texas Medical Branch at Galveston (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $552,782 for 500 claims, against $5,308 paid for services in 2024. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $537.34 in all, mostly food and beverage.
Overview
| NPI | 1881918258 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 15, 2010 |
| Last updated in NPPES | Dec 21, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA06515 | 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 110 across 4 procedure codes |
| Paid by Medicare | $5,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 500 · 706 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $552,782 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Physician Assistant |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$537.34 · 13 payments from 9 companies
- 2024$519.88 · 14 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $169.30 | 2 |
| Janssen Biotech, Inc. | $96.32 | 3 |
| Pfizer Inc. | $63.99 | 2 |
| Jazz Pharmaceuticals Inc. | $59.69 | 1 |
| Merck Sharp & Dohme LLC | $33.85 | 1 |
What the 2025 payments were for
- Food and Beverage$537.34 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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