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

Gianna Isabella Masi

Individual provider Physician Assistant · NPI 1750062493

Gianna Isabella Masi is a Physician Assistant in Bay Shore, New York. Qualified in 2023, 3 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
3
Licensed in
NY
In the registry since
2023

Practice location Address checks out

301 E Main St
Bay Shore, NY 11706-8408
Phone: (631) 968-3000
Show map & directions

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

Additional practice locations (1)

  • 18 Lawrence St, Greenlawn, NY 11740-1408 — (631) 827-8677

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 031418 (NY)

Record details

NPI number1750062493
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJuly 26, 2023
Last updated in NPPESFebruary 14, 2024
Certification dateFebruary 14, 2024

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Bay Shore