Sara Anne Carlough, PA-C
NPI 1043861503ActiveIndividual· Physician Assistant· Houston, TX
Physician Assistant (PA-C) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $3,118,867 for 977 claims, against $12,616 paid for services in 2024. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $554.10 in all, mostly food and beverage.
Overview
| NPI | 1043861503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 26, 2019 |
| Last updated in NPPES | Sep 18, 2025 |
| Certified by provider | Sep 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA13084 | 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 | 221 |
|---|---|
| Services billed | 270 across 10 procedure codes |
| Paid by Medicare | $12,616 |
Part D prescriptions in 2024
| Prescriptions (claims) | 977 · 1,131 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $3,118,867 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$554.10 · 17 payments from 9 companies
- 2024$410.17 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $204.98 | 5 |
| Syndax Pharmaceuticals, Inc. | $90.98 | 3 |
| Celgene Corporation | $62.86 | 2 |
| Abbvie Inc. | $58.67 | 2 |
| Sobi, Inc | $34.20 | 1 |
What the 2025 payments were for
- Food and Beverage$474.11 · 16 payments
- Education$79.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,842 physician assistants in Houston · All physician assistants in Texas