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

Nassau Immed Med Care PLLC

Organization Internal Medicine Physician · NPI 1255429254

Nassau Immed Med Care PLLC is an Internal Medicine Physician in Williston Park, 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?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

465 Willis Ave
Williston Park, NY 11596-1724
Phone: (516) 294-3535
Fax: (516) 294-6451
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 187440 (NY)

Record details

NPI number1255429254
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Susan Welgrin — Member · (516) 294-3535
NPI enumeratedOctober 11, 2006
Last updated in NPPESMarch 17, 2008
Mailing address465 Willis Ave, Williston Park, NY 11596-1724

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