Demetrius Williams, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Mandeville, LA
Demetrius Williams, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Mandeville, Louisiana, and NPI 1578296489, issued on Jul 7, 2022. Check the license with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Demetrius Williams
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 905371 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1150 W Causeway Approach, Mandeville, LA 70471
- Phone
- (866) 530-6111
- Enumerated
- Jul 7, 2022
- Record last updated
- May 22, 2023
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 755 in Louisiana → Look up another NPI →
Also registered at 1150 W Causeway Approach
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Allen, M.A., LPC, LMFTProfessional Counselor1336385053
- Angelle BergeronClinical Social Worker1205328218
Verify Demetrius Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
639 Medicare Part D claims for 39 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Buspirone Hcl61 claims
- Benztropine Mesylate42 claims
- Bupropion Xl41 claims
- Paroxetine Hcl39 claims
- Quetiapine Fumarate35 claims
- Aripiprazole27 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: $285.66
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Demetrius Williams among 755 psychiatric/mental health nurse practitioner records in Louisiana
Demetrius Williams, PMHNP 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 2022, is newer than 56% of them.
- NPI issued2022 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 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).
21 psychiatric/mental health nurse practitioner records list a practice address in Mandeville
They are 21 of the 1,117 NPPES records with a practice address in Mandeville, and 755 psychiatric/mental health nurse practitioner records in Louisiana.
All 755 in Louisiana → Every provider in Mandeville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Jennifer Imbraguglio, APRNMandeville, LA 704711427688944
- Lindsey Kappes, PMHNP-BCMandeville, LA 704711942194097
- Leah Monteilh, PMHNP-BCMandeville, LA 704711184318503
- Joel O'Connor, NPMandeville, LA 704711790403988
- Jennifer Poche, NPMandeville, LA 704711134781172
- Matthew Ramos, APRN, PMHNP-BCMandeville, LA 704711497609879
- Keith Robin, PMHNP-BCMandeville, LA 704711508669128
- Alicia Seicshnaydre, PMHNPMandeville, LA 704711609331149
Common questions
What is Demetrius Williams, PMHNP's NPI number?
Demetrius Williams, PMHNP's National Provider Identifier (NPI) is 1578296489, issued on Jul 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Demetrius Williams, PMHNP located?
The NPPES record lists a practice address at 1150 W Causeway Approach, Mandeville, LA, 70471. Phone: (866) 530-6111. Providers update this record themselves, so call before visiting.
How can I verify Demetrius Williams, PMHNP's license?
Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Demetrius Williams, PMHNP prescribe under Medicare Part D?
In 2024, Demetrius Williams, PMHNP had 639 Medicare Part D claims for 39 beneficiaries; 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.