Dennis Olaniyi
NPI 1366145823 · Psychiatric/Mental Health Nurse Practitioner · Washington DC, DC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Olaniyi is a Psychiatric/Mental Health Nurse Practitioner provider in Washington DC, DC (NPI 1366145823).
Provider details
- NPI number
- 1366145823
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- NP0062282 (DC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-23
- Last updated
- 2023-04-11
- Certified
- 2023-04-05
Frequently asked questions
- What is Dennis Olaniyi's NPI number?
- Dennis Olaniyi's National Provider Identifier (NPI) is 1366145823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Olaniyi's specialty?
- Dennis Olaniyi is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dennis Olaniyi located?
- Dennis Olaniyi's practice location on file with NPPES is 1615 Road Island Avenue, Washington DC, DC 20018.
- What is Dennis Olaniyi's phone number?
- The practice phone number listed in the NPPES registry for Dennis Olaniyi is (301) 219-4522.
- Does Dennis Olaniyi accept Medicare?
- Dennis Olaniyi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Olaniyi's NPI active?
- Yes — Dennis Olaniyi's NPI (1366145823) is active in the NPPES registry as of the last update on 2023-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.