NPPES file of Aug 9, 2026

Gregg Steven Halverson, APRN

Family Nurse Practitioner · Orange Park, FL

Gregg Steven Halverson, APRN is a family nurse practitioner with a practice address in Orange Park, Florida, and NPI 1033776539, issued on May 21, 2019. Check the license (Florida 11001570, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033776539
Name
Gregg Steven Halverson
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
11001570 FL
2021033954 FL
Self-reported in NPPES; status is on the state search
Practice location
1542 Kingsley Ave Ste 136, Orange Park, FL 32073
Phone
(904) 458-7780
Enumerated
May 21, 2019
Record last updated
Aug 30, 2023
Medicare enrollment
Enrolled (PECOS I20210625000111); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1542 Kingsley Ave Ste 136

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shawn Dennis, MASTER LEVEL THERAPYMental Health Counselor1760937726
  2. Shara McPhall, PMHNPPsychiatric/Mental Health Nurse Practitioner1003542549
  3. Tamela Swanson, ARNPPsychiatric/Mental Health Nurse Practitioner1326461773

Verify Gregg Steven Halverson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license 11001570
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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66% fewer Medicare Part D claims than the average family nurse practitioner in 2024

439 Medicare Part D claims for 62 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Gregg Halverson439
  2. Specialty average1,305

Most prescribed

  1. Duloxetine Hcl49 claims
  2. Buspirone Hcl29 claims
  3. Risperidone27 claims
  4. Aripiprazole24 claims
  5. Quetiapine Fumarate24 claims
  6. Bupropion Xl20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 93.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.0
  2. Costout of 100 · 30%93.0
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,158.76

57 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregg Halverson$1,158.76
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Dna Comprehensive Therapy Services LLCJacksonville, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregg Steven Halverson among 22,340 family nurse practitioner records in Florida

Gregg Steven Halverson, APRN is one of 22,340 family nurse practitioner records with a practice address in Florida. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 41% of them.

  • NPI issued2019 · 41% of these records are older, 51% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2021 · median 2020 among the 10,790 with a school on file
  • Record last updated2023 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

85 family nurse practitioner records list a practice address in Orange Park

They are 85 of the 2,099 NPPES records with a practice address in Orange Park, and 22,340 family nurse practitioner records in Florida.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sally Armistead, FNPOrange Park, FL 320731134231236
  2. Jennifer Brown, FNP-BCOrange Park, FL 320731912211491
  3. Kelly Daniels, ARNPOrange Park, FL 320731982869178
  4. Susan Dewitt, ARNP-COrange Park, FL 320731467422717
  5. Casey Edwards, FNP-BCOrange Park, FL 320731245587393
  6. Brandi Epperson, APRN, FNP-COrange Park, FL 320731154757151
  7. Laura Hice, APRNOrange Park, FL 320731831484013
  8. Leanne Hilliard, ARNPOrange Park, FL 320731669629796

Common questions

What is Gregg Steven Halverson, APRN's NPI number?

Gregg Steven Halverson, APRN's National Provider Identifier (NPI) is 1033776539, issued on May 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Gregg Steven Halverson, APRN located?

The NPPES record lists a practice address at 1542 Kingsley Ave Ste 136, Orange Park, FL, 32073. Phone: (904) 458-7780. Providers update this record themselves, so call before visiting.

How can I verify Gregg Steven Halverson, APRN's license?

NPPES lists Florida license number 11001570, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregg Steven Halverson, APRN prescribe under Medicare Part D?

In 2024, Gregg Steven Halverson, APRN had 439 Medicare Part D claims for 62 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Gregg Steven Halverson, APRN's MIPS final score?

The 2023 MIPS final score is 93.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.