Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Lefing, MD

Individual provider Dermatology Physician · NPI 1831207091

Dr. William Lefing, MD is a Dermatology Physician in Oceanside, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2940 Lowr Lincoln Ave
Oceanside, NY 11572
Phone: (516) 678-3966
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 90586 (NY)

Record details

NPI number1831207091
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 28, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2940 Lower Lincoln Ave, Oceanside, NY 11572

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