Carol Gruber, WHNP
NPI 1861673733 · Gerontology Nurse Practitioner · Fernandina Beach, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carol Gruber, WHNP is a Gerontology Nurse Practitioner provider in Fernandina Beach, FL (NPI 1861673733).
Provider details
- NPI number
- 1861673733
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- WHNP
- Sex
- Female
- Sole proprietor
- No
- License
- APRN9496660 (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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
449 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 165 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $73 |
| Automated Urinalysis Test81003 | 52 | $2 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 49 | $35 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 35 | $91 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 225 | 219 |
| Doxycycline Hyclate | 124 | 120 |
| Azithromycin | 110 | 105 |
| Cefdinir | 108 | 107 |
| Cefuroxime Axetilbrand: Cefuroxime | 61 | 56 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 58 | 58 |
| Mupirocin | 43 | 42 |
| Ciprofloxacin Hcl | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$533 across 24 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
- 2007-11-20
- Last updated
- 2023-06-09
- Certified
- 2023-06-09
Frequently asked questions
- What is Carol Gruber's NPI number?
- Carol Gruber's National Provider Identifier (NPI) is 1861673733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Gruber's specialty?
- Carol Gruber is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carol Gruber located?
- Carol Gruber's practice location on file with NPPES is 1132 S 14th St, Fernandina Beach, FL 32034-2920.
- What is Carol Gruber's phone number?
- The practice phone number listed in the NPPES registry for Carol Gruber is (904) 432-3061.
- Does Carol Gruber accept Medicare?
- Carol Gruber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carol Gruber's NPI active?
- Yes — Carol Gruber's NPI (1861673733) is active in the NPPES registry as of the last update on 2023-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.