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Lionel Mailloux, MD
NPI 1538130992 · Nephrology Physician · Port Washington, NY
Lionel Mailloux, MD is a Nephrology Physician provider in Port Washington, NY (NPI 1538130992).
Provider details
- NPI number
- 1538130992
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 097879 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
50 Seaview Blvd
Port Washington, NY 11050-4618
Phone: (516) 484-6093
Fax: (516) 484-6180
Street-level locationGet directions
Mailing address
50 Seaview Blvd
Port Washington, NY 11050-4618
Registry dates
- Enumerated
- 2006-02-01
- Last updated
- 2010-02-04
Frequently asked questions
- What is Lionel Mailloux's NPI number?
- Lionel Mailloux's National Provider Identifier (NPI) is 1538130992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lionel Mailloux's specialty?
- Lionel Mailloux is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Lionel Mailloux located?
- Lionel Mailloux's practice location on file with NPPES is 50 Seaview Blvd, Port Washington, NY 11050-4618.
- What is Lionel Mailloux's phone number?
- The practice phone number listed in the NPPES registry for Lionel Mailloux is (516) 484-6093.
- Is Lionel Mailloux's NPI active?
- Yes — Lionel Mailloux's NPI (1538130992) is active in the NPPES registry as of the last update on 2010-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.