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

Individual provider Physician Assistant · NPI 1578855565

Elizabeth Callahan, PA is a Physician Assistant in West Islip, New York. Qualified in 2010, 16 years ago. Practices with Samaritan Medical Services PC, a 336-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
16
Licensed in
NY
In the registry since
2011
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

1000 Montauk Hwy A2
West Islip, NY 11795-4927
Phone: (631) 376-4318
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 014696-1 (NY)

Record details

NPI number1578855565
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorYes
NPI enumeratedMay 9, 2011
Last updated in NPPESMarch 16, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Samaritan Medical Services Pc — 336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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