Mark Hampton Blocker, PA
NPI 1104321397ActiveIndividual· Physician Assistant· Atlanta, GA
Physician Assistant (PA) in Atlanta, Georgia, with an NPI issued in March 2018. Part D covered 869 prescriptions written in 2024, 77% of them generic. Collegium Pharmaceutical, Inc. was the largest of 16 companies reporting payments in 2025, $1,821 in all, mostly food and beverage.
Overview
| NPI | 1104321397 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Mar 28, 2018 |
| Last updated in NPPES | Mar 28, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 869 · 1,257 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $381,444 |
| Generic share | 77% of claims |
Industry payments (Open Payments)
- 2025$1,821 · 110 payments from 16 companies
- 2024$2,241 · 115 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $239.88 | 16 |
| Noven Therapeutics, LLC | $216.57 | 22 |
| Supernus Pharmaceuticals, Inc. | $167.03 | 7 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $165.94 | 10 |
| Vanda Pharmaceuticals Inc. | $150.88 | 9 |
What the 2025 payments were for
- Food and Beverage$1,821 · 110 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,250 physician assistants in Atlanta · All physician assistants in Georgia