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

William Andrew Arthur Karalis, DO

Individual provider Emergency Medicine Physician · NPI 1891435731

William Andrew Arthur Karalis, DO is an Emergency Medicine in Manhasset, New York. Graduated from University of New England, College of Osteo Medicine in 2022, 4 years ago. Licensed in New York.

Years since qualifying
4
Trained at
University of New England, College of Osteo Medicine
Licensed in
NY
In the registry since
2022
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

300 Community Dr
Manhasset, NY 11030-3816
Phone: (516) 562-3047
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 335875 (NY)

Record details

NPI number1891435731
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 30, 2022
Last updated in NPPESAugust 13, 2025
Certification dateAugust 13, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Also practisesSPORTS MEDICINE
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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