Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Kelly Catherine O'Sullivan, MSN, AGACNP-BC

Individual provider Acute Care Nurse Practitioner · NPI 1043913668

Kelly Catherine O'Sullivan, MSN, AGACNP-BC is a Nurse Practitioner in New York, New York. Qualified in 2022, 4 years ago. Practices with Memorial Anesthesiology Group, a 301-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2023
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.

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Practice location Address checks out

240 E 38th St Fl 20
New York, NY 10016-2708
Phone: (212) 731-6002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1275 York Ave # M18, New York, NY 10065-6007 — (212) 639-6987

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence F432536-01 (NY)

Record details

NPI number1043913668
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , AGACNP-BC
Sole proprietorNo
NPI enumeratedMarch 23, 2023
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Memorial Anesthesiology Group — 301 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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