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

Individual provider Family Nurse Practitioner · NPI 1639658206

Alexandra Karl, FNP-C is a Family Nurse Practitioner in Massapequa, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2018
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

4200 Sunrise Hwy
Massapequa, NY 11758
Phone: (516) 809-9666
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 66 Austin Blvd, Commack, NY 11725 — (631) 864-2784

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 343462 (NY)

Record details

NPI number1639658206
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedAugust 14, 2018
Last updated in NPPESFebruary 5, 2019

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