SHANNON O'NEILL
NPI 1770458317
Nurse Practitioner - Adult Health in New York, NY
About Shannon O'neill NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON O'NEILL (NPI 1770458317) is an individual adult health provider in New York, New York, licensed in New York (F312554) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
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
Shannon O'neill 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.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Shannon O'neill's NPI number?
The NPI number for Shannon O'neill is 1770458317. It was assigned to this individual provider in the NPPES registry on October 6, 2025.
Where is Shannon O'neill located?
Shannon O'neill practices at 1470 Madison Ave, New York, NY 10029. The listed phone number is (844) 632-2623.
What is Shannon O'neill's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Shannon O'neill enrolled in Medicare?
Yes. Shannon O'neill 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 Shannon O'neill affiliated with any hospitals?
According to CMS data, Shannon O'neill is affiliated with Mount Sinai Hospital.
When was this NPI record last updated?
The NPPES record for Shannon O'neill was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Shannon O'neill · NPI 1770458317
Adult Health physician in New York, New York. Individual provider, active in the CMS NPPES registry since October 6, 2025.
## Identity
- **NPI:** 1770458317 (Entity type: Individual)
- **Enumerated:** October 6, 2025
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** F312554 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1470 MADISON AVE, New York, NY 10029-6542
- **Phone:** (844) 632-2623
## 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 2025
## Record status
- **NPPES last updated:** March 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1770458317) · Data from the CMS NPPES public registry.