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

Johnny Kao, MD

Individual provider Radiation Oncology Physician · NPI 1639141476

Johnny Kao, MD is a Radiation Oncology in West Islip, New York. Graduated from Icahn School of Medicine at Mount Sinai in 2000, 26 years ago. Practices with Good Samaritan Hospital Medical Center, a 147-clinician group and accepts Medicare assignment. Licensed in Florida and New York.

Years since qualifying
26
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
FL, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone: (631) 376-4047
Fax: (631) 376-3392
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 234755 (NY)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence ME 108316 (FL)

Record details

NPI number1639141476
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2006
Last updated in NPPESFebruary 14, 2013
Mailing addressPo Box 5934, New York, NY 10087-5934

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2000 (26 years in practice)
Group practice Good Samaritan Hospital Medical Center — 147 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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