OrganizationActive
Dennis S. O'Leary, DDS, PC
NPI 1114044880 · General Practice Dentistry · Washington, DC
Dennis S. O'Leary, DDS, PC is a General Practice Dentistry organization in Washington, DC (NPI 1114044880).
Provider details
- NPI number
- 1114044880
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Jennifer O'Leary, Manager(202) 966-8108
- License
- 5817 (DC)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
5840 Macarthur Blvd Nw
Washington, DC 20016-2542
Phone: (202) 966-8108
Fax: (202) 966-8106
Street-level locationGet directions
Mailing address
5840 Macarthur Blvd Nw
Washington, DC 20016-2542
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2020-08-22
Frequently asked questions
- What is Dennis S. O'Leary, DDS, PC's NPI number?
- Dennis S. O'Leary, DDS, PC's National Provider Identifier (NPI) is 1114044880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dennis S. O'Leary, DDS, PC?
- Dennis S. O'Leary, DDS, PC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Dennis S. O'Leary, DDS, PC located?
- Dennis S. O'Leary, DDS, PC's practice location on file with NPPES is 5840 Macarthur Blvd Nw, Washington, DC 20016-2542.
- What is Dennis S. O'Leary, DDS, PC's phone number?
- The practice phone number listed in the NPPES registry for Dennis S. O'Leary, DDS, PC is (202) 966-8108.
- Who is the authorized official for Dennis S. O'Leary, DDS, PC?
- The authorized official listed on Dennis S. O'Leary, DDS, PC's NPPES record is Jennifer O'Leary, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dennis S. O'Leary, DDS, PC's NPI active?
- Yes — Dennis S. O'Leary, DDS, PC's NPI (1114044880) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.