OrganizationActive
Leonard J Brennan, DMD, LLC
NPI 1225151178 · General Practice Dentistry · Portland, ME
Leonard J Brennan, DMD, LLC is a General Practice Dentistry organization in Portland, ME (NPI 1225151178).
Provider details
- NPI number
- 1225151178
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Leonard Brennan, Owner(207) 773-2446
- License
- 2905 (ME)
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
1250 Congress St
Portland, ME 04102-2135
Phone: (207) 773-2446
Fax: (207) 773-4990
Street-level locationGet directions
Mailing address
1250 Congress St
Portland, ME 04102-2135
Registry dates
- Enumerated
- 2007-04-07
- Last updated
- 2007-11-05
Frequently asked questions
- What is Leonard J Brennan, DMD, LLC's NPI number?
- Leonard J Brennan, DMD, LLC's National Provider Identifier (NPI) is 1225151178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leonard J Brennan, DMD, LLC?
- Leonard J Brennan, DMD, LLC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Leonard J Brennan, DMD, LLC located?
- Leonard J Brennan, DMD, LLC's practice location on file with NPPES is 1250 Congress St, Portland, ME 04102-2135.
- What is Leonard J Brennan, DMD, LLC's phone number?
- The practice phone number listed in the NPPES registry for Leonard J Brennan, DMD, LLC is (207) 773-2446.
- Who is the authorized official for Leonard J Brennan, DMD, LLC?
- The authorized official listed on Leonard J Brennan, DMD, LLC's NPPES record is Leonard Brennan, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leonard J Brennan, DMD, LLC's NPI active?
- Yes — Leonard J Brennan, DMD, LLC's NPI (1225151178) is active in the NPPES registry as of the last update on 2007-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.