Brian Benjamin Nailling, PA-C
NPI 1639305428ActiveIndividual· Physician Assistant· Georgetown, TX
Physician Assistant (PA-C) with Mountain West Derm - Blackhart PLLC, practicing in Georgetown, Texas. Their prescriptions cost Medicare Part D more than their services did: $670,245 for 1,085 claims, against $146,818 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 7 companies reporting payments in 2025, $366.18 in all, mostly food and beverage.
Overview
| NPI | 1639305428 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 7, 2009 |
| Last updated in NPPES | Jan 26, 2026 |
| Certified by provider | Jan 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA10389 | 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 | 782 |
|---|---|
| Services billed | 3,765 across 38 procedure codes |
| Paid by Medicare | $146,818 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,085 · 1,308 30-day fills |
|---|---|
| Patients | 297 |
| Total drug cost | $670,245 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mountain West Derm - Blackhart PLLCTigard, OR · 105 clinicians
Industry payments (Open Payments)
- 2025$366.18 · 18 payments from 7 companies
- 2024$340.89 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $108.11 | 5 |
| Leo Pharma Inc. | $85.98 | 4 |
| E.R. Squibb & Sons, L.L.C. | $63.23 | 3 |
| Abbvie Inc. | $56.72 | 3 |
| Sun Pharmaceutical Industries Inc. | $19.55 | 1 |
What the 2025 payments were for
- Food and Beverage$366.18 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 physician assistants in Georgetown · All physician assistants in Texas