Dr. Carol Gruber, WHNP
What this data tells you about Dr. Gruber
Dr. Carol Gruber is a nurse practitioner - family in Fernandina Beach, FL, with 18 years in practice. Based on federal Medicare data, Dr. Gruber performed 2,243 Medicare services across 1,680 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gruber received a total of $4,174 from 37 pharmaceutical and/or device companies across 200 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in nurse practitioner - family. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Gruber is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) | 620 | $73 | $264 |
| Dexamethasone injection (steroid) | 348 | $0 | $0 |
| Office visit, established patient (20-29 min) | 171 | $55 | $187 |
| Blood draw (venipuncture) | 161 | $8 | $17 |
| Automated urinalysis | 83 | $2 | $4 |
| Drug injection, under skin or into muscle | 80 | $9 | $31 |
| Annual depression screening | 60 | $15 | $37 |
| Annual wellness visit, follow-up | 45 | $107 | $267 |
| Electrocardiogram (EKG), 12-lead | 44 | $8 | $30 |
| Advance care planning consultation, first 30 min | 43 | $69 | $171 |
| Complete blood count (CBC) with differential | 42 | $8 | $16 |
| Ceftriaxone antibiotic injection | 40 | $0 | $1 |
| Comprehensive metabolic blood panel | 39 | $10 | $21 |
| Hemoglobin A1c test (diabetes monitoring) | 33 | $10 | $19 |
| Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | 32 | $17 | $36 |
| Free thyroxine (T4) test | 31 | $9 | $18 |
| Thyroid stimulating hormone (TSH) test | 31 | $16 | $34 |
| Vitamin B-12 level test | 30 | $15 | $30 |
| Folic acid level test | 30 | $14 | $29 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 30 | $32 | $83 |
| Detection test by immunoassay with direct visual observation for influenza virus | 26 | $15 | $33 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 25 | $60 | $143 |
| Lipid panel (cholesterol and triglycerides) | 24 | $13 | $27 |
| Office visit, established patient, complex (40-54 min) | 24 | $107 | $371 |
| Inhalation treatment for airway obstruction or sputum production | 23 | $5 | $19 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 21 | $33 | $88 |
| Vitamin D level test | 20 | $29 | $59 |
| Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme | 17 | $0 | $0 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 16 | $15 | $33 |
| New patient office visit (30-44 min) | 15 | $75 | $235 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 15 | $1 | $3 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 13 | $35 | $75 |
| Thyroid hormone, t3 measurement, free | 11 | $17 | $34 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 7% for nurse practitioner - family in FL.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Gruber is a clinical cardiology specialist, with above-average Medicare volume (top 7% in FL), and high industry engagement (low-engagement, top 7%), with 18 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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