What is Gerald Alexander's NPI number?

Gerald Alexander's National Provider Identifier (NPI) is 1427171263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gerald Alexander's specialty?

Gerald Alexander is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is Gerald Alexander located?

Gerald Alexander's practice location on file with NPPES is 129 York St, New Haven, CT 06511-5608.

What is Gerald Alexander's phone number?

The practice phone number listed in the NPPES registry for Gerald Alexander is (203) 782-0677.

Is Gerald Alexander's NPI active?

Yes — Gerald Alexander's NPI (1427171263) is active in the NPPES registry as of the last update on 2013-10-16.

IndividualActive

Gerald Alexander, D.M.D.

NPI 1427171263 · Dentist · New Haven, CT

Gerald Alexander, D.M.D. is a Dentist provider in New Haven, CT (NPI 1427171263).

Provider details

NPI number: 1427171263
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: D.M.D.
Sex: Male
Sole proprietor: Yes
License: 4721 (CT)

Practice location

129 York St

Crown Court

New Haven, CT 06511-5608

Phone: (203) 782-0677

Fax: (203) 776-9760

Street-level locationGet directions

More CT providers

Mailing address

129 York St

New Haven, CT 06511-5608

Specialties & taxonomies

DentistPrimary122300000XLicense 4721 (CT)
Dental Providers

Profile Score

Detailed profile(90/100 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.

Enumerated: 2007-04-08
Last updated: 2013-10-16

Frequently asked questions

What is Gerald Alexander's NPI number?: Gerald Alexander's National Provider Identifier (NPI) is 1427171263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Gerald Alexander's specialty?: Gerald Alexander is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
Where is Gerald Alexander located?: Gerald Alexander's practice location on file with NPPES is 129 York St, New Haven, CT 06511-5608.
What is Gerald Alexander's phone number?: The practice phone number listed in the NPPES registry for Gerald Alexander is (203) 782-0677.
Is Gerald Alexander's NPI active?: Yes — Gerald Alexander's NPI (1427171263) is active in the NPPES registry as of the last update on 2013-10-16.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions