What is Alvin Greenberg's NPI number?

Alvin Greenberg's National Provider Identifier (NPI) is 1386836849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alvin Greenberg's specialty?

Alvin Greenberg is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Alvin Greenberg located?

Alvin Greenberg's practice location on file with NPPES is 111 Goose Ln, Guilford, CT 06437-5101.

What is Alvin Greenberg's phone number?

The practice phone number listed in the NPPES registry for Alvin Greenberg is (203) 453-0099.

Is Alvin Greenberg's NPI active?

Yes — Alvin Greenberg's NPI (1386836849) is active in the NPPES registry as of the last update on 2007-08-17.

IndividualActive

Alvin Greenberg, M.D.

NPI 1386836849 · Specialist · Guilford, CT

Alvin Greenberg, M.D. is a Specialist provider in Guilford, CT (NPI 1386836849).

Provider details

NPI number: 1386836849
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 011927 (CT)

Specialties & taxonomies

SpecialistPrimary174400000XLicense 011927 (CT)
Other Service 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
18 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

111 Goose Ln

Ste 2300

Guilford, CT 06437-5101

Phone: (203) 453-0099

Fax: (203) 453-0624

Street-level locationGet directions

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Mailing address