DR. WILLIAM LEFING MD
NPI 1831207091
Dermatology in Oceanside, NY

Active since August 28, 2006
2940 LOWER LINCOLN AVE, OCEANSIDE, NY 11572(516) 678-3966 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Lefing Md NPPES

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

DR. WILLIAM LEFING MD (NPI 1831207091) is an individual dermatology provider in Oceanside, New York, licensed in New York (90586) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1831207091
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. WILLIAM LEFINGCredential: MD
Location Address2940 LOWER LINCOLN AVEOceanside, NY 11572
Mailing Address2940 Lower Lincoln AveOceanside, NY 11572 · (516) 678-3966
Sole ProprietorNo
Enumeration DateAugust 28, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1831207091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in NY · 90586
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
2940 LOWER LINCOLN AVE, Oceanside, NY 11572

Other Identifiers 3

Medicaid00143513NY
Medicare UPINB15486
Medicare ID-Type Unspecified496811

Other Providers at the Same Location NPPES 2

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

Podiatrist
2940 LOWER LINCOLN AVE, SUITE 201
OCEANSIDE, NY 11572
Podiatrist
2940 LOWER LINCOLN AVE, STE 201
OCEANSIDE, NY 11572

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 William Lefing's NPI number?

The NPI number for William Lefing is 1831207091. It was assigned to this individual provider in the NPPES registry on August 28, 2006.

Where is William Lefing located?

William Lefing practices at 2940 Lower Lincoln Ave, Oceanside, NY 11572. The listed phone number is (516) 678-3966.

What is William Lefing's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

When was this NPI record last updated?

The NPPES record for William Lefing was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.