Lorena A. Castillo, PA-C
NPI 1194116616ActiveIndividual· Physician Assistant· Cumming, GA
Physician Assistant (PA-C) with Nsh Cancer Institute Professional Services A, LLC, practicing in Cumming, Georgia. Their prescriptions cost Medicare Part D more than their services did: $1,328,594 for 337 claims, against $16,910 paid for services in 2024. Pfizer Inc. was the largest of 10 companies reporting payments in 2025, $446.76 in all, mostly food and beverage. Lists Northside Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1194116616 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 5, 2015 |
| Last updated in NPPES | Jul 19, 2022 |
| Certified by provider | Jul 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 7131 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 162 |
|---|---|
| Services billed | 309 across 2 procedure codes |
| Paid by Medicare | $16,910 |
Part D prescriptions in 2024
| Prescriptions (claims) | 337 · 512 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $1,328,594 |
| Generic share | 58% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Nsh Cancer Institute Professional Services A, LLCConyers, GA · 42 clinicians
Hospital affiliations
- Northside HospitalAtlanta, GA
- Northside Hospital ForsythCumming, GA
Industry payments (Open Payments)
- 2025$446.76 · 26 payments from 10 companies
- 2024$169.18 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $182.56 | 9 |
| Novartis Pharmaceuticals Corporation | $51.93 | 2 |
| Array Biopharma Inc | $46.08 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $39.67 | 1 |
| Beone Medicines USA, Inc. | $34.24 | 1 |
What the 2025 payments were for
- Food and Beverage$385.69 · 22 payments
- Education$61.07 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 89 physician assistants in Cumming · All physician assistants in Georgia