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

Stephen Thomas Onesti, MD

Individual provider Neurological Surgery Physician · NPI 1114912458

Stephen Thomas Onesti, MD is a Neurosurgery in Rockville Centre, New York. Graduated from Harvard Medical School in 1986, 40 years ago. Practices with Neurological Surgery Practice of Long Island PLLC, a 14-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
40
Trained at
Harvard Medical School
Licensed in
NY
In the registry since
2005
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

100 Merrick Rd Ste 200W
Rockville Centre, NY 11570-4800
Phone: (516) 632-7050
Fax: (516) 632-7074
Show map & directions

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

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 172055-1 (NY)

Record details

NPI number1114912458
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 13, 2005
Last updated in NPPESOctober 2, 2012

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1986 (40 years in practice)
Group practice Neurological Surgery Practice Of Long Island Pllc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Rockville Centre