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

Dr. Louis Marshall Najarian, MD

Individual provider Psychiatry Physician · NPI 1548429855

Dr. Louis Marshall Najarian, MD is a Psychiatry Physician in Manhasset, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008
Specialties on file
2
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

324 Park Ave
Manhasset, NY 11030
Phone: (516) 627-3980
Fax: (516) 365-2219
Show map & directions

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

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 1117311 (NY)
Psychiatry Physician Taxonomy 2084P0800X · Licence 1117311 (NY)

Record details

NPI number1548429855
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 3, 2008
Last updated in NPPESJune 3, 2008

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