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

Thomas J Billotti, PHD

Individual provider Psychologist · NPI 1477642635

Thomas J Billotti, PHD is a Clinical Psychologist in Smithtown, New York. Qualified in 1984, 42 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
42
Licensed in
NY
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

20 Gilbert Ave Ste 102B
Smithtown, NY 11787
Phone: (631) 360-3616
Fax: (631) 360-3616
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 0081251 (NY)

Record details

NPI number1477642635
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESJuly 8, 2007
Mailing address225 H Springmedow Drive, Holbrook, NY 11741

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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