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

M. Jennifer Demarco DO, LLC

Organization Family Medicine Physician · NPI 1588749535

M. Jennifer Demarco DO, LLC is a Family Medicine Physician in Amityville, 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?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

191 Grand Central Ave
Amityville, NY 11701-3706
Phone: (631) 598-2318
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 219063 (NY)

Record details

NPI number1588749535
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Demarco — Doctor · (631) 598-2318
NPI enumeratedOctober 26, 2006
Last updated in NPPESOctober 1, 2007
Mailing address191 Grand Central Ave, Amityville, NY 11701-3706

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