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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHARLES ALLEN LEFF M.D.
NPI 1700833092
Specialist in Plainfield, NJ

Active since May 30, 2006
1314 PARK AVE, PLAINFIELD, NJ 07060(908) 754-0400(908) 561-7675 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Charles Allen Leff M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES ALLEN LEFF M.D. (NPI 1700833092) is an individual specialist in Plainfield, New Jersey, licensed in New Jersey (MA02997200) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1700833092
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. CHARLES ALLEN LEFFCredential: M.D.
Location Address1314 PARK AVEPlainfield, NJ 07060-3253
Mailing Address1314 Park AvePlainfield, NJ 07060-3253 · (908) 754-0400 · Fax (908) 561-7675
Phone(908) 754-0400
Fax(908) 561-7675
Sole ProprietorNo
Enumeration DateMay 30, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1700833092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NJ · MA02997200
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1314 PARK AVE, Plainfield, NJ 07060
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Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY R. GIBSON APN-C
Nurse Practitioner
1314 PARK AVE
PLAINFIELD, NJ 07060
Union County (908) 222-8970
DR. RUCHIKA VERMA DDS
Dentist (General Practice)
1314 PARK AVE, SUITE 5
PLAINFIELD, NJ 07060
Union County (908) 222-2741
SALEEM HUSAIN MD
Internal Medicine (Cardiovascular Disease)
1314 PARK AVE, SUITE 9
PLAINFIELD, NJ 07060
Union County (908) 222-8970
REGROUP BEHAVIORAL HEALTH SERVICES,PC
Social Worker (Clinical)
1314 PARK AVE, SUITE 7
PLAINFIELD, NJ 07060
Union County (908) 755-3392
MS. PRINCETTA ANN EDWARDS LCSW LIC CLINICAL SO
Social Worker (Clinical)
1314 PARK AVE, STE 7
PLAINFIELD, NJ 07060
Union County (908) 755-3392
HEMATOLOGY-ONCOLOGY ASSOCIATES, P.A.
Specialist
1314 PARK AVE
PLAINFIELD, NJ 07060
Union County (908) 754-0400
JOYCE NKWONTA MD
Internal Medicine
1314 PARK AVE, STE 1
PLAINFIELD, NJ 07060
Union County (908) 561-9733
SALEEM HUSAIN MD PC
Internal Medicine (Cardiovascular Disease)
1314 PARK AVE, SUITE 9
PLAINFIELD, NJ 07060
Union County (908) 222-8970

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Leff's NPI number?

The NPI number for Charles Leff is 1700833092. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Charles Leff located?

Charles Leff practices at 1314 Park Ave, Plainfield, NJ 07060. The listed phone number is (908) 754-0400.

What is Charles Leff's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Charles Leff was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.