Gregg Steven Halverson, APRN
NPI 1033776539ActiveIndividual· Nurse Practitioner, Family· Orange Park, FL
Nurse Practitioner, Family (APRN) with Dna Comprehensive Therapy Services LLC, practicing in Orange Park, Florida. Their prescriptions cost Medicare Part D more than their services did: $31,003 for 439 claims, against $1,667 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $884.79 in all, mostly food and beverage.
Overview
| NPI | 1033776539 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | May 21, 2019 |
| Last updated in NPPES | Aug 30, 2023 |
| Certified by provider | Aug 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 11001570 | FL |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | 2021033954 | 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 - Nurse Practitioner (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 32 across 4 procedure codes |
| Paid by Medicare | $1,667 |
Part D prescriptions in 2024
| Prescriptions (claims) | 439 · 641 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $31,003 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Dna Comprehensive Therapy Services LLCStuart, FL · 463 clinicians
Industry payments (Open Payments)
- 2025$884.79 · 49 payments from 12 companies
- 2024$1,159 · 57 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $207.99 | 9 |
| Supernus Pharmaceuticals, Inc. | $147.45 | 11 |
| Otsuka America Pharmaceutical, Inc. | $143.82 | 9 |
| Janssen Pharmaceuticals, Inc | $91.96 | 4 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $81.49 | 5 |
What the 2025 payments were for
- Food and Beverage$884.79 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 88 family nurse practitioners in Orange Park · All family nurse practitioners in Florida