OrganizationActive
Alan B. Rosenthal DMD, LLC
NPI 1871039644 · Endodontics · Norwalk, CT
Alan B. Rosenthal DMD, LLC is a Endodontics organization in Norwalk, CT (NPI 1871039644).
Provider details
- NPI number
- 1871039644
- Entity type
- Organization
- Primary specialty
- EndodonticsDental Providers
- Organization subpart
- No
- Authorized official
- Alan Rosenthal, Owner(203) 853-0880
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
120 East Ave
Norwalk, CT 06851-5703
Phone: (203) 853-0880
Street-level locationGet directions
Mailing address
120 East Ave
Norwalk, CT 06851-5703
Registry dates
- Enumerated
- 2017-01-17
- Last updated
- 2017-01-17
Frequently asked questions
- What is Alan B. Rosenthal DMD, LLC's NPI number?
- Alan B. Rosenthal DMD, LLC's National Provider Identifier (NPI) is 1871039644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alan B. Rosenthal DMD, LLC?
- Alan B. Rosenthal DMD, LLC is classified in the NPPES registry as Endodontics (Dental Providers).
- Where is Alan B. Rosenthal DMD, LLC located?
- Alan B. Rosenthal DMD, LLC's practice location on file with NPPES is 120 East Ave, Norwalk, CT 06851-5703.
- What is Alan B. Rosenthal DMD, LLC's phone number?
- The practice phone number listed in the NPPES registry for Alan B. Rosenthal DMD, LLC is (203) 853-0880.
- Who is the authorized official for Alan B. Rosenthal DMD, LLC?
- The authorized official listed on Alan B. Rosenthal DMD, LLC's NPPES record is Alan Rosenthal, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alan B. Rosenthal DMD, LLC's NPI active?
- Yes — Alan B. Rosenthal DMD, LLC's NPI (1871039644) is active in the NPPES registry as of the last update on 2017-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.