What is Leon G. Smith Jr. MD, LLC's NPI number?

Leon G. Smith Jr. MD, LLC's National Provider Identifier (NPI) is 1780890814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Leon G. Smith Jr. MD, LLC?

Leon G. Smith Jr. MD, LLC is classified in the NPPES registry as Specialist (Other Service Providers).

Where is Leon G. Smith Jr. MD, LLC located?

Leon G. Smith Jr. MD, LLC's practice location on file with NPPES is 155 Jefferson St, Newark, NJ 07105-1706.

What is Leon G. Smith Jr. MD, LLC's phone number?

The practice phone number listed in the NPPES registry for Leon G. Smith Jr. MD, LLC is (973) 403-1922.

Who is the authorized official for Leon G. Smith Jr. MD, LLC?

The authorized official listed on Leon G. Smith Jr. MD, LLC's NPPES record is Leon Smith, Delegated Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Leon G. Smith Jr. MD, LLC's NPI active?

Yes — Leon G. Smith Jr. MD, LLC's NPI (1780890814) is active in the NPPES registry as of the last update on 2007-09-28.

OrganizationActive

Leon G. Smith Jr. MD, LLC

NPI 1780890814 · Specialist · Newark, NJ

Leon G. Smith Jr. MD, LLC is a Specialist organization in Newark, NJ (NPI 1780890814).

Provider details

NPI number: 1780890814
Entity type: Organization
Primary specialty: SpecialistOther Service Providers
Organization subpart: No
Authorized official: Leon Smith, Delegated Official(973) 403-1922
License: 25MA05307800 (NJ)

Practice location

155 Jefferson St

Newark, NJ 07105-1706

Phone: (973) 403-1922

Fax: (973) 403-1912

Street-level locationGet directions

More NJ providers

Mailing address

171 Old Chester Rd

Essex Fells, NJ 07021-1624

Specialties & taxonomies

SpecialistPrimary174400000XLicense 25MA05307800 (NJ)
Other Service 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: 2007-05-15
Last updated: 2007-09-28

Frequently asked questions

What is Leon G. Smith Jr. MD, LLC's NPI number?: Leon G. Smith Jr. MD, LLC's National Provider Identifier (NPI) is 1780890814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Leon G. Smith Jr. MD, LLC?: Leon G. Smith Jr. MD, LLC is classified in the NPPES registry as Specialist (Other Service Providers).
Where is Leon G. Smith Jr. MD, LLC located?: Leon G. Smith Jr. MD, LLC's practice location on file with NPPES is 155 Jefferson St, Newark, NJ 07105-1706.
What is Leon G. Smith Jr. MD, LLC's phone number?: The practice phone number listed in the NPPES registry for Leon G. Smith Jr. MD, LLC is (973) 403-1922.
Who is the authorized official for Leon G. Smith Jr. MD, LLC?: The authorized official listed on Leon G. Smith Jr. MD, LLC's NPPES record is Leon Smith, Delegated Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Leon G. Smith Jr. MD, LLC's NPI active?: Yes — Leon G. Smith Jr. MD, LLC's NPI (1780890814) is active in the NPPES registry as of the last update on 2007-09-28.

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