Tammy Diane Grayson, PA-C
NPI 1689976037ActiveIndividual· Physician Assistant· Daytona Beach, FL
Physician Assistant (PA-C) with Florida Hospital Healthcare Partners, Inc and 1 other group, practicing in Daytona Beach, Florida. 113 Medicare patients in 2024, $8,651 paid; nearly all of their 156 Part D prescriptions were generic (93%). Vertex Pharmaceuticals Incorporated was the largest of 2 companies reporting payments in 2025, $67.32 in all, mostly food and beverage. Lists Adventhealth Daytona Beach and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1689976037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Nov 17, 2010 |
| Last updated in NPPES | Nov 17, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA9105790 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 113 |
|---|---|
| Services billed | 135 across 32 procedure codes |
| Paid by Medicare | $8,651 |
Part D prescriptions in 2024
| Prescriptions (claims) | 156 · 172 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $2,186 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Florida Hospital Healthcare Partners, IncPalm Coast, FL · 642 clinicians
- Urgent Care Center of Port Orange LLCPort Orange, FL · 9 clinicians
Hospital affiliations
- Adventhealth Daytona BeachDaytona Beach, FL
- Adventhealth DelandDeland, FL
- Adventhealth New Smyrna BeachNew Smyrna Beach, FL
- Adventhealth Palm CoastPalm Coast, FL
Industry payments (Open Payments)
- 2025$67.32 · 3 payments from 2 companies
- 2024$116.42 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $50.11 | 2 |
| Smith+nephew, Inc. | $17.21 | 1 |
What the 2025 payments were for
- Food and Beverage$67.32 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 physician assistants in Daytona Beach · All physician assistants in Florida