MARIE OCONNOR NP
NPI 1508601931
Nurse Practitioner - Family in South Salem, NY
About Marie Oconnor Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIE OCONNOR NP (NPI 1508601931) is an individual family provider in South Salem, New York, licensed in New York (F354239-01) and active in the NPI registry since June 2024. She is enrolled in Medicare PECOS, is affiliated with White Plains Hospital Center, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marie Oconnor Np 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.
Medicare Billing Reassignments
3Medicare enrollment records show Marie Oconnor reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Salem, NY 10590
- Reassigned Medicare billing, Connecticut and New York enrollments
White Plains, NY 10606
- Reassigned Medicare billing, New York enrollment
- 31 clinicians in this Medicare group
New York, NY 10024
- Reassigned Medicare billing, New York enrollment
- 75 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
White Plains Hospital Center
Acute Care Hospitals · White Plains, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10590 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
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 Marie Oconnor's NPI number?
The NPI number for Marie Oconnor is 1508601931. It was assigned to this individual provider in the NPPES registry on June 27, 2024.
Where is Marie Oconnor located?
Marie Oconnor practices at 21 Beaver Pond Rd, South Salem, NY 10590. The listed phone number is (914) 775-9596.
What is Marie Oconnor's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marie Oconnor enrolled in Medicare?
Yes. Marie Oconnor 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.
Which organizations bill Medicare for Marie Oconnor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marie Oconnor reassigns Medicare benefits to 3 organizations: Oconnor Np In Family Health PLLC (South Salem, NY), New York State Medical Health Services PC (White Plains, NY) and Progressive Care Medical Group, PLLC (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marie Oconnor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marie Oconnor accept?
Health plans from Anthem Blue Cross and Blue Shield list Marie Oconnor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marie Oconnor affiliated with any hospitals?
According to CMS data, Marie Oconnor is affiliated with White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for Marie Oconnor was last updated on June 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.