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

Tonimarie O'Neill, DNP, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1710656178

Tonimarie O'Neill, DNP, FNP-BC is a Nurse Practitioner in Garden City, New York. Qualified in 2021, 5 years ago. Practices with Advanced Dermatology PC, a 67-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
5
Licensed in
NY
In the registry since
2021
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

229 7th St Ste 105
Garden City, NY 11530-5766
Phone: (516) 747-7778
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 260 E Middle Country Rd Ste 208, Smithtown, NY 11787-2925 — (631) 863-3223

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 348336 (NY)

Record details

NPI number1710656178
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , FNP-BC
Sole proprietorYes
NPI enumeratedSeptember 9, 2021
Last updated in NPPESSeptember 9, 2021
Certification dateSeptember 9, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Advanced Dermatology Pc — 67 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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