Dennis I. Olaniyi
Psychiatric/Mental Health Nurse Practitioner · Washington Dc, DC
Dennis I. Olaniyi is a psychiatric/mental health nurse practitioner with a practice address in Washington Dc, District of Columbia, and NPI 1366145823, issued on Mar 23, 2023. Check the license (District of Columbia NP0062282, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis I. Olaniyi
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- NP0062282 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1615 Road Island Avenue, Washington Dc, DC 20018
- Phone
- (301) 219-4522
- Enumerated
- Mar 23, 2023
- Record last updated
- Apr 11, 2023
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 215 in District of Columbia → Look up another NPI →
Verify Dennis I. Olaniyi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license NP0062282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
40 Medicare Part D claims for 15 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Dennis I. Olaniyi among 215 psychiatric/mental health nurse practitioner records in District of Columbia
Dennis I. Olaniyi is one of 215 psychiatric/mental health nurse practitioner records with a practice address in District of Columbia. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 73% of them.
- NPI issued2023 · 73% of these records are older, 14% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2023 · 24% 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 District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 psychiatric/mental health nurse practitioner record lists a practice address in Washington Dc
They are 1 of the 147 NPPES records with a practice address in Washington Dc, and 215 psychiatric/mental health nurse practitioner records in District of Columbia.
All 215 in District of Columbia → Every provider in Washington Dc → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Sunday Ayodele, PMHNPWashington, DC 200181063137156
- Marie-Blanche BakerWashington, DC 200181306558465
- Thickness EgwuatuWashington, DC 200181053997122
- Adela Ghogomu, RNWashington, DC 200181134607146
- Christian OfforWashington, DC 200181023373008
- Amina Osman, PMHNP-BC, FNP-BCWashington, DC 200181952725152
- Uchenna OwunnaWashington, DC 200181386524361
- Frank UzomaWashington, DC 200181831454487
Common questions
What is Dennis I. Olaniyi's NPI number?
Dennis I. Olaniyi's National Provider Identifier (NPI) is 1366145823, issued on Mar 23, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Dennis I. Olaniyi located?
The NPPES record lists a practice address at 1615 Road Island Avenue, Washington Dc, DC, 20018. Phone: (301) 219-4522. Providers update this record themselves, so call before visiting.
How can I verify Dennis I. Olaniyi's license?
NPPES lists District of Columbia license number NP0062282, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Dennis I. Olaniyi prescribe under Medicare Part D?
In 2024, Dennis I. Olaniyi had 40 Medicare Part D claims for 15 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.