What is Leonard Flug's NPI number?

Leonard Flug's National Provider Identifier (NPI) is 1407858822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leonard Flug's specialty?

Leonard Flug is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Leonard Flug located?

Leonard Flug's practice location on file with NPPES is 819 Oriental Blvd, Brooklyn, NY 11235-3026.

What is Leonard Flug's phone number?

The practice phone number listed in the NPPES registry for Leonard Flug is (718) 646-3524.

Is Leonard Flug's NPI active?

Yes — Leonard Flug's NPI (1407858822) is active in the NPPES registry as of the last update on 2026-06-07.

IndividualActive

Leonard Flug, DDS

NPI 1407858822 · General Practice Dentistry · Brooklyn, NY

Leonard Flug, DDS is a General Practice Dentistry provider in Brooklyn, NY (NPI 1407858822).

Provider details

NPI number: 1407858822
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS
Sex: Male
License: 027494 (NY)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 027494 (NY)
Dental Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 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

819 Oriental Blvd

Brooklyn, NY 11235-3026

Phone: (718) 646-3524

Fax: (718) 646-5178

Street-level locationGet directions

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Mailing address