Caroline Chaplain Gruber, FNP
Family Nurse Practitioner · Baton Rouge, LA
Caroline Chaplain Gruber, FNP is a family nurse practitioner with a practice address in Baton Rouge, Louisiana, and NPI 1811625502, issued on Aug 10, 2022. Check the license (Louisiana 227029, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caroline Chaplain Gruber
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 227029 LA
Self-reported in NPPES; status is on the state search - Practice location
- 7777 Hennessy Blvd Ste 1000, Baton Rouge, LA 70808
- Phone
- (225) 767-3900
- Enumerated
- Aug 10, 2022
- Record last updated
- Mar 14, 2023
- Fax
- (225) 766-2226
- Medicare enrollment
- Enrolled (PECOS I20221017001929); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,503 in Louisiana → Look up another NPI →
Also registered at 7777 Hennessy Blvd Ste 1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Caroline Chaplain Gruber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 227029Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.8 times the Medicare Part D claims of the average family nurse practitioner in 2024
8,932 Medicare Part D claims for 2,270 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Metoprolol Succinate917 claims
- Atorvastatin Calcium867 claims
- Eliquis823 claims
- Amlodipine Besylate485 claims
- Furosemide473 claims
- Rosuvastatin Calcium389 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.
Industry payments in 2024: $1,019.95
49 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Baton Rouge General Physicians IncBaton Rouge, LA
- Our Lady OF The Lake Physician Group LLCBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caroline Chaplain Gruber among 4,503 family nurse practitioner records in Louisiana
Caroline Chaplain Gruber, FNP is one of 4,503 family nurse practitioner records with a practice address in Louisiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 20% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2022 · median 2018 among the 2,959 with a school on file
- Record last updated2023 · 46% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
557 family nurse practitioner records list a practice address in Baton Rouge
They are 557 of the 12,526 NPPES records with a practice address in Baton Rouge, and 4,503 family nurse practitioner records in Louisiana.
All 4,503 in Louisiana → Every provider in Baton Rouge → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lydia Arriaga, NPBaton Rouge, LA 708081497813422
- Mary Bennett, R.N., N.P.Baton Rouge, LA 708081356567135
- Jarmeca Berry, NP-CBaton Rouge, LA 708081073752028
- Byron David, NPBaton Rouge, LA 708081679753222
- Margaret Finley, FNP-BCBaton Rouge, LA 708081699954560
- Michelle Genre, APRNBaton Rouge, LA 708081568594414
- Brandi Lea, NPBaton Rouge, LA 708081437108172
- Latoya Leonard-Hughes, FNPBaton Rouge, LA 708081457381303
Common questions
What is Caroline Chaplain Gruber, FNP's NPI number?
Caroline Chaplain Gruber, FNP's National Provider Identifier (NPI) is 1811625502, issued on Aug 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Chaplain Gruber, FNP located?
The NPPES record lists a practice address at 7777 Hennessy Blvd Ste 1000, Baton Rouge, LA, 70808. Phone: (225) 767-3900. Providers update this record themselves, so call before visiting.
How can I verify Caroline Chaplain Gruber, FNP's license?
NPPES lists Louisiana license number 227029, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Caroline Chaplain Gruber, FNP prescribe under Medicare Part D?
In 2024, Caroline Chaplain Gruber, FNP had 8,932 Medicare Part D claims for 2,270 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.