Gregg Halverson, APRN
NPI 1033776539 · Family Nurse Practitioner · Orange Park, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Halverson, APRN is a Family Nurse Practitioner provider in Orange Park, FL (NPI 1033776539).
Provider details
- NPI number
- 1033776539
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- No
- License
- 2021033954 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 49 | 12 |
| Buspirone Hcl | 29 | 13 |
| Risperidone | 27 | — |
| Aripiprazole | 24 | 11 |
| Quetiapine Fumarate | 24 | — |
| Bupropion Hclbrand: Bupropion Xl | 20 | — |
| Escitalopram Oxalate | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,159 across 57 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-21
- Last updated
- 2023-08-30
- Certified
- 2023-08-30
Frequently asked questions
- What is Gregg Halverson's NPI number?
- Gregg Halverson's National Provider Identifier (NPI) is 1033776539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Halverson's specialty?
- Gregg Halverson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregg Halverson located?
- Gregg Halverson's practice location on file with NPPES is 1542 Kingsley Ave Ste 136, Orange Park, FL 32073-4547.
- What is Gregg Halverson's phone number?
- The practice phone number listed in the NPPES registry for Gregg Halverson is (904) 458-7780.
- Does Gregg Halverson accept Medicare?
- Gregg Halverson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Halverson's NPI active?
- Yes — Gregg Halverson's NPI (1033776539) is active in the NPPES registry as of the last update on 2023-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.