Araceli Sierra, PA-C
NPI 1861483000ActiveIndividual· Physician Assistant· San Antonio, TX
Physician Assistant (PA-C) with David A Ramos MD PA, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $316,969 for 2,877 claims, against $8,715 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 12 companies reporting payments in 2025, $856.68 in all, mostly food and beverage.
Overview
| NPI | 1861483000 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 4, 2005 |
| Last updated in NPPES | Apr 14, 2023 |
| Certified by provider | Apr 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA03620 | 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 57 |
|---|---|
| Services billed | 217 across 17 procedure codes |
| Paid by Medicare | $8,715 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,877 · 6,388 30-day fills |
|---|---|
| Patients | 299 |
| Total drug cost | $316,969 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- David A Ramos MD PASan Antonio, TX · 10 clinicians
Industry payments (Open Payments)
- 2025$856.68 · 43 payments from 12 companies
- 2024$1,270 · 73 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $285.12 | 16 |
| Novo Nordisk Inc | $229.83 | 10 |
| Lilly USA, LLC | $56.05 | 3 |
| Almatica Pharma LLC | $51.41 | 2 |
| Abbvie Inc. | $48.82 | 2 |
What the 2025 payments were for
- Food and Beverage$856.68 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 914 physician assistants in San Antonio · All physician assistants in Texas