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LIONEL U MAILLOUX MD
NPI 1538130992
Internal Medicine - Nephrology in Port Washington, NY

Active since February 01, 2006
50 SEAVIEW BLVD, PORT WASHINGTON, NY 11050(516) 484-6093(516) 484-6180 Get Directions Write a Review

NPPES record last updated: February 4, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Lionel U Mailloux Md NPPES

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

LIONEL U MAILLOUX MD (NPI 1538130992) is an individual nephrology provider in Port Washington, New York, licensed in New York (097879) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1538130992
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameLIONEL U MAILLOUXCredential: MD
Location Address50 SEAVIEW BLVDPort Washington, NY 11050-4618
Mailing Address50 Seaview BlvdPort Washington, NY 11050-4618 · (516) 484-6093 · Fax (516) 484-6180
Phone(516) 484-6093
Fax(516) 484-6180
Sole ProprietorYes
Enumeration DateFebruary 1, 2006
Last NPPES UpdateFebruary 4, 2010
✔ NPI 1538130992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in NY · 097879
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
50 SEAVIEW BLVD, Port Washington, NY 11050
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Other Identifiers 3

Medicare UPINB16045
Medicare ID-Type Unspecified528971
Medicaid00165802NY

Other Providers at the Same Location NPPES 8

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

JOEL BLUSH M.D.
Internal Medicine (Nephrology)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-6093
HELEN JIN M.D.
Internal Medicine (Nephrology)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-6093
MARY C MALLAPPALLIL MD
Internal Medicine (Nephrology)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-6093
TRUE NORTH DIALYSIS CENTER LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-3460
JASMEET KAUR MD
Internal Medicine (Nephrology)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-6093
KNICKERBOCKER DIALYSIS INC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-3460
TERESA L ALFANO NP-C
Nurse Practitioner (Adult Health)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-6093
LONG ISLAND HYPERTENSION AND NEPHROLOGY, PLLC
Internal Medicine (Nephrology)
50 SEAVIEW BLVD
PORT WASHINGTON, NY 11050
Nassau County (516) 484-6093

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 Lionel Mailloux's NPI number?

The NPI number for Lionel Mailloux is 1538130992. It was assigned to this individual provider in the NPPES registry on February 1, 2006.

Where is Lionel Mailloux located?

Lionel Mailloux practices at 50 Seaview Blvd, Port Washington, NY 11050. The listed phone number is (516) 484-6093.

What is Lionel Mailloux's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for Lionel Mailloux was last updated on February 4, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.