Elizabeth Keys Casselberry, NP
Psychiatric/Mental Health Nurse Practitioner · Baton Rouge, LA
Elizabeth Keys Casselberry, NP is a psychiatric/mental health nurse practitioner with a practice address in Baton Rouge, Louisiana, and NPI 1497124325, issued on Sep 22, 2015. Check the license (Louisiana AP08524, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Keys Casselberry
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- AP08524 LA
Self-reported in NPPES; status is on the state search - Practice location
- 5131 Odonovan Dr, Baton Rouge, LA 70808
- Phone
- (225) 765-7778
- Enumerated
- Sep 22, 2015
- Record last updated
- Apr 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (225) 765-7754
- Medicare enrollment
- Enrolled (PECOS I20160113000664); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 755 in Louisiana → Look up another NPI →
Also registered at 5131 Odonovan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Bokun, P.N.P.Pediatric Nurse Practitioner1356340038
- Kathleen Crapanzano, M.D.Psychiatry Physician1144373390
- Allison DillardPharmacist1013515394
- Aimee Ferrell, MDPediatrics Physician1881614824
- Joseph Grizzaffi, M.D.Child & Adolescent Psychiatry Physician1013064732
- David Hill, MDPediatrics Physician1992721849
Verify Elizabeth Keys Casselberry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license AP08524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
106 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Escitalopram Oxalate14 claims
- Lithium Carbonate Er13 claims
- Abilify Maintena12 claims
- Aristada12 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: $1,442.04
87 payments; by number, the most common kind was food and beverage; the largest payer was Corium, LLC. The 23,362 providers of this specialty with any payment received $1,027.77 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 one group practice
- 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).
Elizabeth Keys Casselberry among 755 psychiatric/mental health nurse practitioner records in Louisiana
Elizabeth Keys Casselberry, NP is one of 755 psychiatric/mental health nurse practitioner records with a practice address in Louisiana. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 22% of them.
- NPI issued2015 · 22% of these records are older, 74% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2021 among the 475 with a school on file
- Record last updated2016 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Louisiana
There are 755 psychiatric/mental health nurse practitioner records in Louisiana.
All 755 in Louisiana → Every provider in Baton Rouge → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Rochelle Blanchard, NPBaton Rouge, LA 708081194673228
- Natalie Butler, N.P.Baton Rouge, LA 708081801025663
- Christopher Cataldie, PMHNPBaton Rouge, LA 708081861984668
- Crystal Hebert, PMHNPBaton Rouge, LA 708081710511241
- Dallas Hilton, NPBaton Rouge, LA 708081558153718
- Said Mohammad, APRNBaton Rouge, LA 708081659012722
- Brooke Otremba, APRN, PMHNP-BCBaton Rouge, LA 708081043998156
- Maggie Taylor, MSN, APRN, PMHNP-BCBaton Rouge, LA 708081891643227
Common questions
What is Elizabeth Keys Casselberry, NP's NPI number?
Elizabeth Keys Casselberry, NP's National Provider Identifier (NPI) is 1497124325, issued on Sep 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Keys Casselberry, NP located?
The NPPES record lists a practice address at 5131 Odonovan Dr, Baton Rouge, LA, 70808. Phone: (225) 765-7778. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Keys Casselberry, NP's license?
NPPES lists Louisiana license number AP08524, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth Keys Casselberry, NP prescribe under Medicare Part D?
In 2024, Elizabeth Keys Casselberry, NP had 106 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.