Allyson Harrell Garrison, PA
NPI 1073854956ActiveIndividual· Physician Assistant, Medical· Mt Pleasant, SC
Physician Assistant, Medical (PA) in Mt Pleasant, South Carolina, trained at University of South Alabama College of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $89,612 for 297 claims, against $2,106 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 11 companies reporting payments in 2025, $876.60 in all, mostly food and beverage.
Overview
| NPI | 1073854956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Mar 2, 2013 |
| Last updated in NPPES | Apr 1, 2024 |
| Certified by provider | Apr 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 1862 | SC |
| Physician Assistant | 363A00000X | 1862 | SC |
| Physician Assistant, Medical | 363AM0700X | 0010-03938 | NC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 83 across 14 procedure codes |
| Paid by Medicare | $2,106 |
Part D prescriptions in 2024
| Prescriptions (claims) | 297 · 348 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $89,612 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of South Alabama College of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Physician Assistant |
Medical group
- McLean Sheperd, MD, LLCMount Pleasant, SC · 6 clinicians
Industry payments (Open Payments)
- 2025$876.60 · 32 payments from 11 companies
- 2024$896.86 · 34 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $158.46 | 4 |
| Abbvie Inc. | $149.64 | 7 |
| Incyte Corporation | $117.48 | 5 |
| Genzyme Corporation | $107.29 | 3 |
| Ucb, Inc. | $75.81 | 2 |
What the 2025 payments were for
- Food and Beverage$776.61 · 31 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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