KELLY CATHERINE O'SULLIVAN MSN, AGACNP-BC
NPI 1043913668
Nurse Practitioner - Acute Care in New York, NY
About Kelly Catherine O'sullivan Msn, Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELLY CATHERINE O'SULLIVAN MSN, AGACNP-BC (NPI 1043913668) is an individual acute care provider in New York, New York, licensed in New York (F432536-01) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kelly Catherine O'sullivan Msn, Agacnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10016
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kelly O'sullivan's NPI number?
The NPI number for Kelly O'sullivan is 1043913668. It was assigned to this individual provider in the NPPES registry on March 23, 2023.
Where is Kelly O'sullivan located?
Kelly O'sullivan practices at 240 E 38th St Fl 20, New York, NY 10016. The listed phone number is (212) 731-6002.
What is Kelly O'sullivan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Kelly O'sullivan enrolled in Medicare?
Yes. Kelly O'sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Kelly O'sullivan affiliated with any hospitals?
According to CMS data, Kelly O'sullivan is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Kelly O'sullivan was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kelly Catherine O'sullivan, MSN, AGACNP-BC · NPI 1043913668
Acute Care physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 23, 2023.
## Identity
- **NPI:** 1043913668 (Entity type: Individual)
- **Enumerated:** March 23, 2023
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** F432536-01 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 240 E 38TH ST FL 20, New York, NY 10016-2708
- **Phone:** (212) 731-6002
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** May 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1043913668) · Data from the CMS NPPES public registry.